ASTContext.cpp revision 68a2dc446fe6d32d5da3557902100ed06b21b12b
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 { 53aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov HalfRank, 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), 23430c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor AddrSpaceMap(0), Target(t), PrintingPolicy(LOpts), 235bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Idents(idents), Selectors(sels), 236bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor BuiltinInfo(builtins), 237bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor DeclarationNames(*this), 23830c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor ExternalSource(0), Listener(0), 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 4643c3b7f90a863af43fa63043d396553ecf205351cJohn McCall // Placeholder type for pseudo-objects. 4653c3b7f90a863af43fa63043d396553ecf205351cJohn McCall InitBuiltinType(PseudoObjectTy, BuiltinType::PseudoObject); 4663c3b7f90a863af43fa63043d396553ecf205351cJohn McCall 4671de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 4681de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 4691de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 4700ddaeb9b031070ec64afe92d9892875ac44df427John McCall // Placeholder type for unbridged ARC casts. 4710ddaeb9b031070ec64afe92d9892875ac44df427John McCall InitBuiltinType(ARCUnbridgedCastTy, BuiltinType::ARCUnbridgedCast); 4720ddaeb9b031070ec64afe92d9892875ac44df427John McCall 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 4778e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4787e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 4791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 481de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 482de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 48313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 48414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 485a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 48833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4896e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4906e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4916e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 492aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov 493aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov // half type (OpenCL 6.1.1.1) / ARM NEON __fp16 494aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov InitBuiltinType(HalfTy, BuiltinType::Half); 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 497d6471f7c1921c7802804ce3ff6fe9768310f72b9David BlaikieDiagnosticsEngine &ASTContext::getDiagnostics() const { 49878a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 49978a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 50078a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 5016320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 5026320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 5036320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 5046320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 5056320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 5066320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 5076320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 5086320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 5096320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 5106320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 5116320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 5126320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 5136320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 5146320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 5156320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 5166320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 5176320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 5186320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 5196320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 520251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 521663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 5227caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 523663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 5247caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 5257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 5267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 5271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 5297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5307caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 532251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 5339421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 5349421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 5357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 5367caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 5377caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 5387caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 539251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 5409421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 5417caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5427caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 543af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois PichetFunctionDecl *ASTContext::getClassScopeSpecializationPattern( 544af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet const FunctionDecl *FD){ 545af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 546af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet llvm::DenseMap<const FunctionDecl*, FunctionDecl *>::const_iterator Pos 5470d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet = ClassScopeSpecializationPattern.find(FD); 5480d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet if (Pos == ClassScopeSpecializationPattern.end()) 549af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return 0; 550af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 551af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return Pos->second; 552af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 553af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 554af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichetvoid ASTContext::setClassScopeSpecializationPattern(FunctionDecl *FD, 555af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet FunctionDecl *Pattern) { 556af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 557af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(Pattern && "Class scope specialization pattern is 0"); 5580d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet ClassScopeSpecializationPattern[FD] = Pattern; 559af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 560af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 5617ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 562ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 5637ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 564ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 565ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 5660d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5680d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 5690d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5700d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 5710d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 572ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 573ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 574ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 575ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 576ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 577ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 578ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 579ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 580ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 581ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 582ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 583ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 584ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 585ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 586ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 587ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 588ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 589ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 590ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 591ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 592ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 593ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 594ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 595ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 5960d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5970d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 598d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 599d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 600d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 601d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 602d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 604d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 605d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 606d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 607d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 608d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 609d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 610d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 611d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 612d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 614d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 615d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 616d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 61714d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanianbool ASTContext::ZeroBitfieldFollowsNonBitfield(const FieldDecl *FD, 61814d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian const FieldDecl *LastFD) const { 61914d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 620a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) == 0); 62114d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian} 62214d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 623340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanianbool ASTContext::ZeroBitfieldFollowsBitfield(const FieldDecl *FD, 624340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian const FieldDecl *LastFD) const { 625340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 626a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) == 0 && 627a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this) != 0); 628340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian} 629340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 6309b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanianbool ASTContext::BitfieldFollowsBitfield(const FieldDecl *FD, 6319b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian const FieldDecl *LastFD) const { 6329b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 633a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) && 634a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this)); 6359b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian} 6369b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian 637dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::NonBitfieldFollowsBitfield(const FieldDecl *FD, 63852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 63952bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (!FD->isBitField() && LastFD && LastFD->isBitField() && 640a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this)); 64152bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 64252bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 643dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::BitfieldFollowsNonBitfield(const FieldDecl *FD, 64452bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 64552bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 646a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this)); 64752bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 64852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 6497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 6517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 6577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 6617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 6677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 669c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 670c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 671c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 672c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 673c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 674c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 675c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 676c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 677c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 678c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 6797d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 6807d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 6817d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 6827d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6837d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 684464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 685464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 686464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 687a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 688b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 689b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 690b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 691183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 692b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 693b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 694b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Not a floating point type!"); 695aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: return Target->getHalfFormat(); 696bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Float: return Target->getFloatFormat(); 697bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Double: return Target->getDoubleFormat(); 698bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::LongDouble: return Target->getLongDoubleFormat(); 699b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 700b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 701b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 7028b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 703af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 704af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 7055d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 7065d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 7074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 708bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned Align = Target->getCharWidth(); 709dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 7104081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 7114081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 7124081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 7134081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 7144081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 7154081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 7164081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 7174081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 71882d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne // It is an error for alignas to decrease alignment, so we can 7194081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 7204081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 7214081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 7224081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 7234081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 7244081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 7254081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 7264081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 72778a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian else if (isa<FieldDecl>(D)) 72878a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian UseAlignAttrOnly = 72978a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian D->hasAttr<PackedAttr>() || 73078a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 731dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 732ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 733ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 7344081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 735ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 736ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 7374081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 738af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 7396217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 7405d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 7415d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 7425d484e8cf710207010720589d89602233de61d01Sebastian Redl else 7435d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 7445d484e8cf710207010720589d89602233de61d01Sebastian Redl } 7455d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 7463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 7473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 748bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned MinWidth = Target->getLargeArrayMinWidth(); 7493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 7503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 7513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 752bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 7533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 7543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 755bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 7563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 7573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 7583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 7596deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 7609f1210c3280104417a4ad30f0a00825ac8fa718aChad Rosier Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 761dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 762ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 763ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 764ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 765ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 766ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 767ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 768ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 769ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 770ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 771ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 772ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 773dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 774ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 775ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 776ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 777ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 778ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 779ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 780ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 781ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 782ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 783ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 784ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 785ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 78605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 787af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 788dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 789eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 790af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 791b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 792ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 793bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 794ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 795eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 796eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 797ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 798ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 799ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 800bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 801ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 802ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 803ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 804a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 805a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 8060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 8070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 8080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 8090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 810d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 8114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 8125e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 8135e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 814a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 81572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 81672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 81718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 81872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 81972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 820d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("Should not see dependent types"); 82172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 82272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 8235d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 8245d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 82518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 82618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 82718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 82818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 82918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 83072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 831fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 83218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 83318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 83418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 83518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 836fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 8371d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 83998be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 8409e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 841030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 842cd88b4171753dcb2bc0a21d78f1597c796bb8a20Argyrios Kyrtzidis Width = llvm::RoundUpToAlignment(Width, Align); 843030d8846c7e520330007087e949f621989876e3aChris Lattner break; 8445c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 845213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 846030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 8479fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 8489fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 8499fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 8504bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 8516fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 8526fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 8538eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 8549fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 8559fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 8569fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 857030d8846c7e520330007087e949f621989876e3aChris Lattner break; 858030d8846c7e520330007087e949f621989876e3aChris Lattner } 8595d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 8609e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 861a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 862b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown builtin type!"); 863d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 86418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 86518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 86618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 86718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 86818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 8696f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 870bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getBoolWidth(); 871bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getBoolAlign(); 8726f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 873692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 874692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 875692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 8766f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 877bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getCharWidth(); 878bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getCharAlign(); 8796f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8803f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 8813f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 882bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getWCharWidth(); 883bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getWCharAlign(); 88464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 885f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 886bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar16Width(); 887bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar16Align(); 888f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 889f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 890bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar32Width(); 891bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar32Align(); 892f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 893692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 8946f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 895bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getShortWidth(); 896bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getShortAlign(); 8976f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 898692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 8996f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 900bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getIntWidth(); 901bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getIntAlign(); 9026f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 903692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 9046f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 905bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongWidth(); 906bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongAlign(); 9076f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 908692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 9096f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 910bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongLongWidth(); 911bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongLongAlign(); 9126f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 913ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 914ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 915ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 916ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 917ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 918aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: 919aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov Width = Target->getHalfWidth(); 920aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov Align = Target->getHalfAlign(); 921aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov break; 9226f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 923bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getFloatWidth(); 924bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getFloatAlign(); 9256f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 927bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getDoubleWidth(); 928bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getDoubleAlign(); 9296f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9306f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 931bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongDoubleWidth(); 932bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongDoubleAlign(); 9336f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9346e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 935bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 936bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); // == sizeof(void*) 9371590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 938e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 939e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 940e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 941bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 942bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 943e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 944a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 945bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 946d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 947bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 948bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 9496f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 950485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 951207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 952207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 953bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 954bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 955485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 956485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 9575d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 9585d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 9595d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 9605d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 961207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 962207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 963bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 964bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 9655d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 9665d484e8cf710207010720589d89602233de61d01Sebastian Redl } 967f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 968207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 969bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 970bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 971f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 972f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 973f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 974071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 9761cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 977071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 9781cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 9791cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 980f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 9815d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 9825d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 9835d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 9841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 98598be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 9869e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 9875d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 9885d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 9895d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 990c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 991c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 99244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 9931d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 99444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 995dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 996dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 99744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 99844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 99972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 100072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 10011d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 10021d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 10031d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 100422ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Width = 8; 100522ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Align = 8; 10068389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 10078389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 10081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10091d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 10107176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 10117176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 10121d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 10137176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 1014dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 1015dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 1016dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 1017a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 10187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 10199fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 102049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 102149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 102249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 102334b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 102434b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 102534b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 1026dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 102734b41d939a1328f484511c6002ba2456db879a29Richard Smith } 102834b41d939a1328f484511c6002ba2456db879a29Richard Smith 1029075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 1030075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 1031075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 103218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 1033162e1c1b487352434552147967c3dd296ebee2f7Richard Smith const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); 1034df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 1035df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 1036c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 1037c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 1038c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 1039c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 1040c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 1041c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 1042c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 1043df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 10447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 10457176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 104618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 104718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 104818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 104918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 105018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 105118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 105218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 105318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 1054395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 1055395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 1056395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 1057395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 1058ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1059ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return getTypeInfo(cast<UnaryTransformType>(T)->getUnderlyingType()); 1060ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 1061465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 1062465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 10631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10649d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 10659d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 10669d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 10679d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10683e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Type::TemplateSpecialization: { 10691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 107018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 10713e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith const TemplateSpecializationType *TST = cast<TemplateSpecializationType>(T); 10723e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type alias template specialization may refer to a typedef with the 10733e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // aligned attribute on it. 10743e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TST->isTypeAlias()) 10753e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(TST->getAliasedType().getTypePtr()); 10763e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 10773e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(getCanonicalType(T)); 10783e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 10793e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 1080b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: { 10812be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman std::pair<uint64_t, unsigned> Info 10822be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman = getTypeInfo(cast<AtomicType>(T)->getValueType()); 10832be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Width = Info.first; 10842be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Align = Info.second; 10852be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman if (Width != 0 && Width <= Target->getMaxAtomicPromoteWidth() && 10862be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman llvm::isPowerOf2_64(Width)) { 10872be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // We can potentially perform lock-free atomic operations for this 10882be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // type; promote the alignment appropriately. 10892be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // FIXME: We could potentially promote the width here as well... 10902be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // is that worthwhile? (Non-struct atomic types generally have 10912be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // power-of-two size anyway, but structs might not. Requires a bit 10922be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // of implementation work to make sure we zero out the extra bits.) 10932be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Align = static_cast<unsigned>(Width); 10942be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman } 1095b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 1096b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 109718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10992be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman assert(llvm::isPowerOf2_32(Align) && "Alignment must be power of 2"); 11009e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 1101a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 1102a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1103eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 1104eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 1105eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 1106eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 1107eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 1108dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 1109dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 1110dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 1111dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 1112dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 1113bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 1114bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 11154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 1116eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1117bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 11184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 1119eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1120bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 1121bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 112216e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 112386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 11244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 1125eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 112686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 11274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 1128eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 112986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 113086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 113134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 113234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 113334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 113434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 11354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 113634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 11371eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 11381eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 1139183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 11401eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 11411eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 11421eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 11431eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 11441eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 114534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 114634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 114734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 11482c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 11492c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 11502c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 11512c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 11522c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 11539820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 11542c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 11552c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 1156db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVectorImpl<const ObjCIvarDecl*> &Ivars) const { 11572c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 11582c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 11592c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 11602c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 11612c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 116211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 11633060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 1164bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 1165db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose for (const ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 1166bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Iv= Iv->getNextIvar()) 1167bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Ivars.push_back(Iv); 1168bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian } 11699820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 11709820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1171e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1172e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1173e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1174432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1175e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 117653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 117753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 117853b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 117953b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1180e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1181432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1182e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1183b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1184b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1185e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1186e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1187b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1188e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1189e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1190e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1191e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1192e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1193e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1194e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1195e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1196e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1197e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1198b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 119953b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1200e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1201e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1202432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1203e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1204e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1205e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1206e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1207b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1208e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1209e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1210e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1211432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1212e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1213e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1214e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1215e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1216e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1217e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1218e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 12194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 12203bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 12213bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 122280aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 122380aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1224b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1225b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 12263bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 12273bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 12283bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1229b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1230b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 12318e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 12328e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 12338e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 12348a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 12358a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 12368a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 12378a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 12388a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 12398a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 12408a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 12418a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12428a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 12438a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 12448a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 12458a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 12468a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 12478a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 12488a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 12498a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12508a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 12518a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 12528a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 12538a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 12548a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 12558a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 12568a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12578a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 12588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 12598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 12608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 12618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 12628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 12641ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 12651ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1266830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1267d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1268d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1269d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1270830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1271d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 12721ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 12731ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12741ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 12751ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 12761ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 12771ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1278d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1279d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 12801ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 12811ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12821ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1283a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1284b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1285a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1286b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1287b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1288b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1289b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1290b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1291a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 12924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1293109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1294109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1295109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1296109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1297a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1298109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1299a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1300a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1301a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1302a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1303b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1304b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1305a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 13066952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1307a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1308c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1309a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1310a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1311a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1312b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 13134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1314b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1315b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1316b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1317b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 13184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 13194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1320b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1321b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1322b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1323a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1324a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1325a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1326a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 13274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 13293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 13303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 13310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 13330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 13343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 13353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 13363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 13373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 13383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 13390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 13400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 13423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 13433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 13443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 13453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 13463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 13473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 13483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 13493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 13503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 13513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 13523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 13533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 13543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 13550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 13560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1359f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1360f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1361f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1362b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 13630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 13690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 13710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 13720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 13731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1375ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1376ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1377b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 13784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1379d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1380b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1381d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 13821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13837f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 13847f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 138558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 13864027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 13874027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 13884027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13894027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 13970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 13990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 14000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1403d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1404a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1405e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1406e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1407e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1408e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1409e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1410e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1411e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1412e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1413e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1414e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1415e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1416e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1417e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1418e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1419e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1420e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1421e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1422e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1423e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 14245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 14255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 14264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 14275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 14305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 14311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 14351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1439467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1440f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 14411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1444c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 14475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 14495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 14544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 14555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 14631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 14655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1467467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1468f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 14691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1472c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 14755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 14775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 14815618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 14824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1483296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1484296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 14855618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 14865618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 14875618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14895618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 14905618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 14915618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14925618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 14931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 14955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 14965618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1497467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 14985618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 14991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15005618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 15015618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 15025618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1503c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15045618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 15066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 15075618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 15085618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 15095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 15105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 15115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 15127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 15137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 15144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 15154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 15169625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(getCanonicalType(T) != OverloadTy && 15179625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 15189625e44c0252485277a340746ed8ac950686156fDouglas Gregor 15195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 15205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 152254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 15235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 15267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 15275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 15287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 152954e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 153054e14c4db764c0636160d26c5bbf491637c83a76John McCall 15315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 15325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 15335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 153454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 153554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 153654e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 15377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 15397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 15407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1541c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 154554e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 154654e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 15477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 15487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 154954e14c4db764c0636160d26c5bbf491637c83a76John McCall 15507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 15517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 15527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 15547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 15554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 15567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 15577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 15587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 155954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 15607c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 15627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 15637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 15647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 15657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 156654e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 156754e14c4db764c0636160d26c5bbf491637c83a76John McCall 15687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 15697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 15707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 157154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 157254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 157354e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 15747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 15777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1578c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 15826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 15835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1588f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1589f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 15904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1591f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1592f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1593f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1594f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1595f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1596f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1597f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1598f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1599f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1600f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1601f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1602f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1603f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 160487c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1605f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1606f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1607f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1608f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1609f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1610c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1611f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 16126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 16136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1614f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1615f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1616f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1617f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1618f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 16191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1620fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 16211eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 162238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1623c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 162463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1625923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1626923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1627587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1628587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 162938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 163038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 163138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 16329f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1633bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ArySize.zextOrTrunc(Target->getPointerWidth(getTargetAddressSpace(EltTy))); 16341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 163663e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 16371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 16407192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 16415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 16421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 16443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 16453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 16463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 16473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 16483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 164963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 16503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 16513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 16531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 16547192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1655c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 16565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 165963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 16607192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 16615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1665ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1666ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1667ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1668ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1669ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1670ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1671ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1672ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1673ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1674ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1675ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1676ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1677ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1678ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1679ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1680ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1681ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1682ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1683ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1684ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1685ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1686ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1687ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1688ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1689ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1690ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1691ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1692ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1693ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1694ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1695ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1696ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1697ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1698ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1699ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1700ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1701ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1702ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1703ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1704ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 170534b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1706ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1707ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1708ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1709ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1710ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1711ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1712ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1713ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1714ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1715ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1716ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1717ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1718ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1719ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1720ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1721ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1722ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1723ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1724ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1725ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1726ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1727ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1728ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1729ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1730ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1731ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1732745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1733ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1734ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1735ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1736ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1737ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1738ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1739745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1740745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1741b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: { 1742b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman const AtomicType *at = cast<AtomicType>(ty); 1743b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman result = getAtomicType(getVariableArrayDecayedType(at->getValueType())); 1744b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman break; 1745b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 1746b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 1747ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1748ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1749ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1750ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1751ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1752ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1753ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1754ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1755745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1756745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1757ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1758ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1759ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1760ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1761ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1762ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1763ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1764ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1765ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1766ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1767ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1768ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1769ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1770ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1771ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1772ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1773ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1774ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1775ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1776ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1777ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1778ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1779ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1780ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1781ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1782ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1783ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1784ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1785ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1786ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1787ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1788ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1789ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1790ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1791ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1792ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1793ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1794ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1795ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1796745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1797bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1798bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 17997e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 18007e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1801c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 180263e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 18034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1804c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1805c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 18063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1807715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 18083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 18093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 18103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 18113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 181263e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 18133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1814715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1815715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 18166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 181763e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1818c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1819c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1820c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1821c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1822c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1823c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1824898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1825898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 182604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 18273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 18283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1829898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 18303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 18313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 18323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 18333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1834898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1835898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 18363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 18373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 18383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 18393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 18403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 18413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 18423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 18443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 18453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 18463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 18473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1848cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1849cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 18503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 18513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 18521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1854898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 18553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 18563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 18573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 18583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 18593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 18603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 18623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 18633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 18643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 18663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 18673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 18683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 18693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 18703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 18713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 18723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 18733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 18743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 18763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 18773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 18783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 18803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 18813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 18823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 18833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 18853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 18863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 18873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 18893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 18903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 18913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 18923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 18933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1895c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 18963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1897c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 18983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1899c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 19013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 19023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 19033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1904c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1905c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 19063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 19073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 19083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1909c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 19113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 19123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 19133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 19143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1915c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1916c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 19173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 19183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 19193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 19202bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1921c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 19233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1924c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 19263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 19273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1928fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1929fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 193073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 193173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 193282287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 19334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 19343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 19351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 19375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1938e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1939788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 19405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 19425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 19435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 19455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 19465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1947255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1948231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 19491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 19515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1952c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1955e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 19565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 19575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 19585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1961213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 196273322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 19634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 19654ac01401b1ec602a1f58c217544d3dcb5fcbd7f1Douglas Gregor assert(vecType->isBuiltinType() || vecType->isDependentType()); 19661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 196773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 196873322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1969788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1970e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 197173322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 197273322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 197373322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 197473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 197573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 197673322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 197773322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1978467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1979213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 19801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 198173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 198273322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1983c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 198473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 19856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 19866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 198773322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 198873322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 198973322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 199073322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 199173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 19924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 19944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 19954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 19962ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 19971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 19982ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 19991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20002ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 20012ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 20022ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 20032ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 20042ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 20052ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 20062ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 20076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 20086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 20096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 20102ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 20112ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 20122ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 20136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 20146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 20156b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 2016789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2017789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 2018789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 2019789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 2020789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 20212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 20222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 20232ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 20242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 20256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 20266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 20272ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 20282ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 20291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20309cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 20319cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 20329cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 20339cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 203472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 20355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 20384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 2039cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 2040cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2041cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 20425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 20435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 20445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 2045264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 20461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 20481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 204972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 20505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 20511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 2053ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 205404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 2055264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 2056264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 2057264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 20581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 206072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 206172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2062c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 20635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2065cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 20666b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 2067cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 20685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 206972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 20705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 20715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 20745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 20754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 20774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 20784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 20795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 20805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 20815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 20828026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 20835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 20851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 208672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 20875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 2088465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2089465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 20908b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl bool isCanonical= EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical(); 20915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 209254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 20935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 20945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2095cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 2096cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2097cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 2098e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 20995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 2100465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 21015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 210204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 21035f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 16> CanonicalArgs; 21045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 21055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 210654e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 2107465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2108e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 21098b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 21108b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 2111e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 2112e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 2113e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2114f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 2115beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 2116e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 2117465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 21185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 211972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 212072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2121c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 21225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2123465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2124f85e193739c953358c865005855253af4f68a497John McCall // FunctionProtoType objects are allocated with extra bytes after 2125f85e193739c953358c865005855253af4f68a497John McCall // them for three variable size arrays at the end: 2126f85e193739c953358c865005855253af4f68a497John McCall // - parameter types 2127f85e193739c953358c865005855253af4f68a497John McCall // - exception types 2128f85e193739c953358c865005855253af4f68a497John McCall // - consumed-arguments flags 2129f85e193739c953358c865005855253af4f68a497John McCall // Instead of the exception types, there could be a noexcept 2130f85e193739c953358c865005855253af4f68a497John McCall // expression. 2131e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 213260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 213360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 213460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 213560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 21368026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 213760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2138f85e193739c953358c865005855253af4f68a497John McCall if (EPI.ConsumedArguments) 2139f85e193739c953358c865005855253af4f68a497John McCall Size += NumArgs * sizeof(bool); 2140f85e193739c953358c865005855253af4f68a497John McCall 2141e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 2142cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 2143cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 21448026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 21455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 214672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 21475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 21485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 21513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 21523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 21533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 21543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 21553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 21563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 21573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 21583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 21593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 21603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 21613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 21623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 21643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 21653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 21664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 21673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 21683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 21693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 217037ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 21713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 21723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 21733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 21743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2175f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 217631f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2177f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2178f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 21793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 21803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 21813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 21823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21832ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 21842ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 21854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 21861e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2187becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 21881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2189162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Decl)) 21902ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2191becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2192becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2193becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2194becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 219519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2196becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2197becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2198becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2199400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 220019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2201becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2202becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2203400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 220419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2205ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2206f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2207f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2208f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 22099fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2210becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 221149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 221249aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 22132ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 22142ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 22155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 2216162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// specified typedef name decl. 22179763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2218162e1c1b487352434552147967c3dd296ebee2f7Richard SmithASTContext::getTypedefType(const TypedefNameDecl *Decl, 2219162e1c1b487352434552147967c3dd296ebee2f7Richard Smith QualType Canonical) const { 22205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 22211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 22239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2224f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 22256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2226f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2227f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2228f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 22295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2232400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2233400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2234400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2235400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2236400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2237400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2238f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2239f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2240f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2241f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2242400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2243400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 22444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2245400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2246400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2247400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2248400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2249400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2250400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2251f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2252f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2253f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2254f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2255400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2256400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 22579d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 22589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 22599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 22609d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 22619d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 22629d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22639d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 22649d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 22659d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 22669d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22679d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 22689d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 22699d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 22709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 22729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 22739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 22759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 22769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 227849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 227949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 228049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 22814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2282467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 228349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 228449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 228549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 228649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 228749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 228849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 228949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 229049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 229149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 229249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 229349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 229449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 229549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 229649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 229749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 229849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 229949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 230049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2301c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2302c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2303c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2304c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2305c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2306c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2307c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2308c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2309c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2310c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2311c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2312c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2313c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2314c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2315c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2316c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2317c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2318c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2319c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2320c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2321c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2322c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2323c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2324c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2325c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2326c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2327c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2328c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2329c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2330c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2331c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2332c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2333c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2334c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2335c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2336c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2337fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 23381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 233976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 23401eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 234176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 23424fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) const { 2343fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 23444fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); 2345fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 23461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2347fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2348fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2349fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2350fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 23511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23524fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth if (TTPDecl) { 235376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 23544fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); 2355789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2356789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2357789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2358789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2359789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 236076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 23616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 23626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2363fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2364fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2365fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2366fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2367fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2368fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2369fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 23703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 23713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 23723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 23733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 23743e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23757c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 23767c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23773e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType TST = getTemplateSpecializationType(Name, Args, Underlying); 23783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 23803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 23813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 23823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 23833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 23843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 23853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 23863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 23873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 23883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 23893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23901eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23917532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2392d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 23933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23947c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23957c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23967c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2397d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2398d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 23995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> ArgVec; 2400833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2401833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2402833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2403833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 240431f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 24053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Underlying); 2406833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2407833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2408833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2409833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 24107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 24117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 24123e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 24137c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 24147c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24150f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 24160f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 24170f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 24187c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 24193e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias = 24203e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Template.getAsTemplateDecl() && 24213e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); 24223e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 24233e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType CanonType; 24243e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (!Underlying.isNull()) 24253e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalType(Underlying); 24263e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else { 24273e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(!isTypeAlias && 24283e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 24293e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalTemplateSpecializationType(Template, Args, 24303e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith NumArgs); 24313e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2432fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 24331275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 24341275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 24351275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 24363e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith void *Mem = Allocate(sizeof(TemplateSpecializationType) + 24373e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith sizeof(TemplateArgument) * NumArgs + 24383e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith (isTypeAlias ? sizeof(QualType) : 0), 24396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 24401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2441ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 244231f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 24433e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType, 24443e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isTypeAlias ? Underlying : QualType()); 24451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 244655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 24471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 244855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 244955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 24501eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 24519763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 24529763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 24534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 24547c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 24557c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24563e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert((!Template.getAsTemplateDecl() || 24573e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith !isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl())) && 24583e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 24593e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 24600f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 24610f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 24620f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 24637c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 24649763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 24659763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 24665f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> CanonArgs; 24679763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 24689763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 24699763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 24709763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24719763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 24729763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 24739763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 24749763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 24759763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 24769763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24779763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 24789763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 24799763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 24809763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24819763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 24829763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 24839763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 24849763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 24859763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 24869763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 24879763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 24883e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType(), QualType()); 24899763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 24909763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 24919763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 24929763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24939763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 24949763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 24959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 24969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 24979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2499465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2500465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 25014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2502e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2503465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2504e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2505e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2506465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2507e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2508e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2509e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2510789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2511789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2512789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2513465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2514465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2515789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2516789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2517789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2518465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2519e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2520465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2521e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2522e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2523e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2524075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 25254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2526075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2527075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2528075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2529075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2530075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2531075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2532075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2533075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2534075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2535075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2536075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2537075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2538075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2539075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2540075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2541075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2542075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2543075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2544075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2545075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2546075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2547075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 25484a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 25494a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 25504a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 25514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2552d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2553d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2554d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2555d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 25564a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 25574a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 25584a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 25594a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 25604a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 25614a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2562d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2563d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2564d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 25654a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2566d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2567d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 25684714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 25694714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2570d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2571d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2572d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25734a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2574d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 25754714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 25761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2577d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2578d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25791eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 258033500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 258133500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 25824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 258333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 25844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 258533500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 25865f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> ArgCopy; 258733500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 258833500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 258933500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 259033500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 259133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 259233500955d731c73717af52088b7fc0e7a85681e7John McCall} 259333500955d731c73717af52088b7fc0e7a85681e7John McCall 259433500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 259533500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 259633500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 259733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 259833500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 259933500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 26004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2601aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2602aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 26031734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2604789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 260533500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 260633500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2607789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2608789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 260933500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 261033500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2611789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2612789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2613789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 261433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 261533500955d731c73717af52088b7fc0e7a85681e7John McCall 261633500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 261733500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 26181734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 261933500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 26205f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 262133500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 262233500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 262333500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 262433500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2625789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 26261734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 262733500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 262833500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 262933500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 263033500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 263133500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 263233500955d731c73717af52088b7fc0e7a85681e7John McCall 263333500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 263433500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 263533500955d731c73717af52088b7fc0e7a85681e7John McCall } 263633500955d731c73717af52088b7fc0e7a85681e7John McCall 263733500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 263833500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 263933500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2640ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 264133500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 26421734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 264333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 26441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 26451734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 26461734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2647cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2648cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 26497536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2650cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 26517536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 26527536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 26537536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 26547536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 26557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 26567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 26577536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 26587536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 26597536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 26607536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 26617536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2662cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 26637536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 26647536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 26657536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 26667536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 26677536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2668cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 26697536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 26707536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 26717536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 26727536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 26737536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 267488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 267588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 267688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 267788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 26782e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 267988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 268088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2681c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 268254e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 268354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 268454e14c4db764c0636160d26c5bbf491637c83a76John McCall 268554e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 268654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 268754e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 268854e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 268954e14c4db764c0636160d26c5bbf491637c83a76John McCall} 269054e14c4db764c0636160d26c5bbf491637c83a76John McCall 269154e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 269288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 269388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 26941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 269588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 269688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 269788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 269888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 269988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 270088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 270188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 270288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2703c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2704c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 27054ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2707c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2708c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2709c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2710d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2711c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2712c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2713c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2714d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2715c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2716c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2717d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2718c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2719c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 272054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2721c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2722c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2723c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 27245f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 27250237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 272654e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 272754e14c4db764c0636160d26c5bbf491637c83a76John McCall 272854e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2729c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2730c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 273154e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2732c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2733c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 273454e14c4db764c0636160d26c5bbf491637c83a76John McCall } 273554e14c4db764c0636160d26c5bbf491637c83a76John McCall 273654e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2737c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 273854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 273954e14c4db764c0636160d26c5bbf491637c83a76John McCall 2740c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2741c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2742fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2743c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2744c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 27451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2746c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2747c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2748c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2749d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 275088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2751c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2752c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 27534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 27544b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2755c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 27561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27574b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2758c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2759c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 27604b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 27611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2762c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 276354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2764c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2765c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 276654e14c4db764c0636160d26c5bbf491637c83a76John McCall 2767c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2768c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 276954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 277054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2771c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2772c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2773c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2774c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 277524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 277624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2777c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 277824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 277924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 278024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2781deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2782deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 27834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2784deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2785deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 278674c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2787deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2788deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2789deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2790deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2791deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2792deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2793c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2794c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 279572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 279672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 27979752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 27981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 27999752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 28004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2801dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2802b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2803b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2804b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 28051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2806b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2807b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2808b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2809b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2810b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2811b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 28126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2813b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 28143060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 2815b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 28166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 28176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2818b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2819b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2820b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2821b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2822dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 28236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2824dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 28259752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 28269752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2827d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2828d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 28299752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 28309752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 28319752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 28321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 28339752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 28344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2835f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 28366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 28379752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 28389752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2839d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2840d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 284160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 284260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 28434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2844a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2845a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 28461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 284760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 284860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 284960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 285060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 285160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 285260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 285360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 285460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 285560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 285660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 285760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 285860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 285960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 286060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 286160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 28621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 286360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 28641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 286660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 28677eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 286860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 28691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 287060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 287160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 287260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2873395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2874395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2875395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 28761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2877395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 28784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2879dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 2880561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 2881561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // C++0x [temp.type]p2: 2882561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // If an expression e involves a template parameter, decltype(e) denotes a 2883561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // unique dependent type. Two such decltype-specifiers refer to the same 2884561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // type only if their expressions are equivalent (14.5.6.1). 2885561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (e->isInstantiationDependent()) { 28869d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 28879d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 28881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28899d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 28909d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 28919d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 28929d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 28939d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 28949d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 28956b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 28969d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 28973060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 28989d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 28996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 29009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 29019d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 29029d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 29039d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2904dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 29056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2906dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2907395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2908395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2909395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2910395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2911ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// getUnaryTransformationType - We don't unique these, since the memory 2912ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// savings are minimal and these are rare. 2913ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType ASTContext::getUnaryTransformType(QualType BaseType, 2914ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType, 2915ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind Kind) 2916ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt const { 2917ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType *Ty = 291869d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor new (*this, TypeAlignment) UnaryTransformType (BaseType, UnderlyingType, 291969d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor Kind, 292069d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor UnderlyingType->isDependentType() ? 292169d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor QualType() : UnderlyingType); 2922ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Types.push_back(Ty); 2923ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(Ty, 0); 2924ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2925ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2926483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 292734b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2928483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2929483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2930483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2931483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2932483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2933483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2934483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2935483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2936483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2937483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2938483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2939483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2940483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2941483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 294234b41d939a1328f484511c6002ba2456db879a29Richard Smith} 294334b41d939a1328f484511c6002ba2456db879a29Richard Smith 2944b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman/// getAtomicType - Return the uniqued reference to the atomic type for 2945b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman/// the given value type. 2946b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli FriedmanQualType ASTContext::getAtomicType(QualType T) const { 2947b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Unique pointers, to guarantee there is only one pointer of a particular 2948b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // structure. 2949b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman llvm::FoldingSetNodeID ID; 2950b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType::Profile(ID, T); 2951b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 2952b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman void *InsertPos = 0; 2953b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (AtomicType *AT = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos)) 2954b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return QualType(AT, 0); 2955b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 2956b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // If the atomic value type isn't canonical, this won't be a canonical type 2957b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // either, so fill in the canonical type field. 2958b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType Canonical; 2959b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (!T.isCanonical()) { 2960b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Canonical = getAtomicType(getCanonicalType(T)); 2961b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 2962b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Get the new insert position for the node we care about. 2963b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType *NewIP = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos); 2964b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 2965b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 2966b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType *New = new (*this, TypeAlignment) AtomicType(T, Canonical); 2967b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Types.push_back(New); 2968b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicTypes.InsertNode(New, InsertPos); 2969b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return QualType(New, 0); 2970b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman} 2971b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 2972ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 2973ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 2974ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 2975ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 2976ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 2977ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 2978ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2979ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 2980ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 2981ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 2982ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 2983ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 2984ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 2985ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 2986ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2987ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 29885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 29895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 29904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2991d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2992e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2993e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2994e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 29955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 29981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 29991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 3000a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 3001bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getSizeType()); 30025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 30035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 300464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 300564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 300664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 300764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 300864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 300964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 301064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 301164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 301264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 301364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 301464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 301564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 301664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 301764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 30188b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 30198b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 30208b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 3021bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getPtrDiffType(0)); 30228b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 30238b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 3024e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 3025e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 3026e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 3027e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 30284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 302954e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 303054e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 303154e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 3032745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 303354e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 303454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 303554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 303654e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 303754e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 303854e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 303954e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 304054e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 304154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 304254e14c4db764c0636160d26c5bbf491637c83a76John McCall 304354e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 304454e14c4db764c0636160d26c5bbf491637c83a76John McCall} 304554e14c4db764c0636160d26c5bbf491637c83a76John McCall 304662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 304762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 304862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 304962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 305062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 305162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 305262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 305362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 305462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 305562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 305662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 305762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 30589dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 305962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 306062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 306128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 306228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 306362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 306462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 306562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 306662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 306762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 306862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 306962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 307062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 307162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 307262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 307362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 307462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 307562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 307662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 307762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 307828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 30799dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 308062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 308128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 308228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 308328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 30849dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 308562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 308628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 308728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 30889dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 308962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 30903fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 30919dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 30929dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 30939dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 30949dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 30959dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 30969dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 309762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 309828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 309928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 310028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 310128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 31025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 31035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 31045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 31055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 31065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 31075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 31085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 31095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 31105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 31115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 31125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 31135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 31145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 31155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 31165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 31175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 31205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 31215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 31225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 31235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 31245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 31255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 31265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 31275a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31285a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31295a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 31305a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 31315a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 31325a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 31335a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 31345a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 31355a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 31365a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31375a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31385a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31395a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 31405a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31415a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 31425a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 31435a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 31454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 31464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 3147146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3148146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3149146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: 31502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 3151146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(Name.getAsTemplateDecl()->getDeclName(), 3152146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 31532577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3154146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: { 3155146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 3156146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall // DNInfo work in progress: CHECKME: what about DNLoc? 3157146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 3158146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3159146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3160146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3161146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 31622577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 316380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 31642577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 31652577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 316680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 31672577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 31682577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 31692577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 31702577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 31712577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 31722577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 317380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 317480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 317580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 3176146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3177146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3178146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3179146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameter()->getDeclName(), 3180146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3181146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3182146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3183146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3184146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3185146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3186146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameterPack()->getDeclName(), 3187146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3188146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3189146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3190146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3191146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name kind!"); 319280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 319380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 31944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 3195146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3196146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3197146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: { 3198146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateDecl *Template = Name.getAsTemplateDecl(); 31993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 3200146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = dyn_cast<TemplateTemplateParmDecl>(Template)) 32013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 32023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 32033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 320497fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 32053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 320625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3207146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: 3208146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("cannot canonicalize overloaded template"); 3209146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3210146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3211146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 3212146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall assert(DTN && "Non-dependent template names must refer to template decls."); 3213146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DTN->CanonicalTemplateName; 3214146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3215146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3216146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3217146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3218146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3219146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getCanonicalTemplateName(subst->getReplacement()); 32201aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 32211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3222146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3223146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3224146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3225146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateTemplateParmDecl *canonParameter 3226146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateTemplateParmDecl(subst->getParameterPack()); 3227146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateArgument canonArgPack 3228146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateArgument(subst->getArgumentPack()); 3229146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getSubstTemplateTemplateParmPack(canonParameter, canonArgPack); 3230146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3231146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3232146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3233146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name!"); 323425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 323525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3236db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 3237db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 3238db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 3239db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 3240db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 3241db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 32421eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 32434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 32441275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 32451275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 32461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 32471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 32491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 32501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32511275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 3252833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 32531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3254788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3255788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3256a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3257a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3258a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3259a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 32602be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3261a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 32621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3263833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 32641275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 32651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32661275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3267833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 32681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 327087dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 327187dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 327287dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3273910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3274910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 32751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 32761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 32771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 32781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 32791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 32801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3281910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 32821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 32831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 32841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 32851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 3286b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unhandled template argument kind"); 32871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 32881275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3289d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 32904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 32911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3292d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3293d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3294d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3295d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3296d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 32971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3298d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3299d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3300d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3301d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3302d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3303d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 330414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 330514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 330614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 330714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 330814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 330914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 331014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 331114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 331214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3313d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3314d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3315d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3316d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3317264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3318264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3319264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3320264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3321264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3322264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3323264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3324264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3325264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3326264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3327264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3328264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3329264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3330264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3331264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3332643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3333264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3334264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3335264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3336264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3337aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3338aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3339aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3340aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3341aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3342264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3343264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3344264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 33453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 33463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3347d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3348d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3349d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3350d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3351d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3352d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3353d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3354d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3355d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3356d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3357d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3358c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 33594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3360c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3361a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3362c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3363c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3364c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3365c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 33661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 33683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3369c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 33701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3372c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3373c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 33741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3375c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3376c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 337750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 33780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 33803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 33811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3382c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 33833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 33843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3385c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 33861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3387c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3388c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 33893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 33901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3391c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3392c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3393c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 33940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3395c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3396c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3397c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 33980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3399898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 34001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3401898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3402898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 34031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 34043fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3405898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 34060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 34077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 34081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3409c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 34107e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 34113fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3412c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 34130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 34147e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 341577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 341677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 341779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getAdjustedParameterType(QualType T) { 341879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p7: 341979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "array of type" shall be 342079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // adjusted to "qualified pointer to type", where the type 342179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // qualifiers (if any) are those specified within the [ and ] of 342279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // the array type derivation. 342379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isArrayType()) 342479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getArrayDecayedType(T); 342579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 342679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p8: 342779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "function returning type" 342879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // shall be adjusted to "pointer to function returning type", as 342979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // in 6.3.2.1. 343079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isFunctionType()) 343179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getPointerType(T); 343279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 343379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T; 343479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 343579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 343679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getSignatureParameterType(QualType T) { 343779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getVariableArrayDecayedType(T); 343879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getAdjustedParameterType(T); 343979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T.getUnqualifiedType(); 344079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 344179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 3442e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3443e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3444e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3445e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3446e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3447e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 34484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3449c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3450c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3451c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3452c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3453c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3454c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 34551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3456c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3457e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3458e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 34590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3460e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3461e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 34623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 34633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 34645e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 34655e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 34663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 34673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 34683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 34693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 34703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 34713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 34721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 34743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 34753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 34761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 34786183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 34796183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 34800de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 34811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 34820de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 34830de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 34840de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 34850de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 34860de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 34870de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 34880de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 34890de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 34900de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 34915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 34925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3493a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3494183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 34955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3496a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3497183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3498183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3499b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getFloatingRank(): not a floating type"); 3500aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: return HalfRank; 35015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 35025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 35035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 35045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 35055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 35065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 35081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3509716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3510716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 35111361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 35121361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 35131361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 35141361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 35151361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3516b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getFloatingRank(): illegal value for rank"); 3517f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3518f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3519f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3520f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3521f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 35221361b11066239ea15764a2a844405352d87296b3Chris Lattner 35231361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 35241361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3525b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getFloatingRank(): illegal value for rank"); 35261361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 35271361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 35281361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 35295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 35305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 35315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 35337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 35347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 35351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 35364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3537a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3538a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 35391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3540a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3541fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3542a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3543fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3544fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 35455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 35465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3547f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3548f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3549f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3550f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3551467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3552f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3553f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 3554b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getIntegerRank(): not a built-in integer"); 35557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3556f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 35577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 35587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 35597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 35607cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3561f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 35627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 35637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3564f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 35657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 35667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3567f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 35687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 35697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3570f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 35717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 35727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3573f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 35742df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 35752df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 35762df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3577f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3578f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3579f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 358004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 358104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 358204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 358304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 358404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 35854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3586ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3587ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3588ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 358904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 359004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 359104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 359204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 359304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 359404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3595a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith uint64_t BitWidth = Field->getBitWidthValue(*this); 359604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 359704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 359804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 359904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 360004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 360104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 360204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 360304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 360404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 360504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 360604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 360704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 360804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 360904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 361004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 361104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 361204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3613a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3614a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3615a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 36164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3617a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3618a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3619842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3620842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 362168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman 362268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (const BuiltinType *BT = Promotable->getAs<BuiltinType>()) { 362368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // C++ [conv.prom]: A prvalue of type char16_t, char32_t, or wchar_t 362468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // (3.9.1) can be converted to a prvalue of the first of the following 362568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // types that can represent all the values of its underlying type: 362668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // int, unsigned int, long int, unsigned long int, long long int, or 362768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // unsigned long long int [...] 362868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // FIXME: Is there some better way to compute this? 362968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (BT->getKind() == BuiltinType::WChar_S || 363068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::WChar_U || 363168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::Char16 || 363268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::Char32) { 363368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman bool FromIsSigned = BT->getKind() == BuiltinType::WChar_S; 363468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman uint64_t FromSize = getTypeSize(BT); 363568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman QualType PromoteTypes[] = { IntTy, UnsignedIntTy, LongTy, UnsignedLongTy, 363668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman LongLongTy, UnsignedLongLongTy }; 363768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman for (size_t Idx = 0; Idx < llvm::array_lengthof(PromoteTypes); ++Idx) { 363868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman uint64_t ToSize = getTypeSize(PromoteTypes[Idx]); 363968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (FromSize < ToSize || 364068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman (FromSize == ToSize && 364168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman FromIsSigned == PromoteTypes[Idx]->isSignedIntegerType())) 364268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman return PromoteTypes[Idx]; 364368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 364468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman llvm_unreachable("char type should fit into long long"); 364568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 364668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 364768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman 364868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // At this point, we should have a signed or unsigned integer type. 3649a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3650a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3651a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3652a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3653a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3654a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3655a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3656a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 365731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// \brief Recurses in pointer/array types until it finds an objc retainable 365831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// type and returns its ownership. 365931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios KyrtzidisQualifiers::ObjCLifetime ASTContext::getInnerObjCOwnership(QualType T) const { 366031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis while (!T.isNull()) { 366131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T.getObjCLifetime() != Qualifiers::OCL_None) 366231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return T.getObjCLifetime(); 366331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T->isArrayType()) 366431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = getBaseElementType(T); 366531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const PointerType *PT = T->getAs<PointerType>()) 366631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = PT->getPointeeType(); 366731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 366828445f0b62f6aed851ff87ce64d9b19200d3211fArgyrios Kyrtzidis T = RT->getPointeeType(); 366931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else 367031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis break; 367131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis } 367231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 367331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return Qualifiers::OCL_None; 367431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis} 367531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 36761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 36777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 36781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 36794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3680f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3681f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 36827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 36831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3684f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3685f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 36861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 36887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 36891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 36917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 36927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 36937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 36941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 36967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 36977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 36987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 36997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 37001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 37027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 37031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 37047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 37057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 37067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 37077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 37087cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 37097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 37101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 37127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 37131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 37147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 37155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 371671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 371779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3718ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3719ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3720ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 372179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 3722ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 372379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3724ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 372579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3726ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 37271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 37284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 372971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 37301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3731ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 373279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 37335cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 373479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3735f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 37361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 373771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 37380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3739f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3740f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 374171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 37420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 374371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 37441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 37451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 374644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 374744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 37481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3749ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 375044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3751a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 37521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 37537a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37547a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37552888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 375617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 375744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 375844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3759838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 376071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 37611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 376271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 37638467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3764b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3765319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 37666217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3767319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3768319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3769319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3770319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 37714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3772adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3773adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3774adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3775adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3776adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3777ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 377879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 37795cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3780adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3781adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3782adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3783adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3784adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3785adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3786adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3787adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3788083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3789adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3790adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3791adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3792ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3793adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3794adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3795a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3796adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 37977a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37987a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37992888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3800adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3801adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3802adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3803838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3804adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3805adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3806adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3807adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3808adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3809adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 38104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3811083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3812083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3813083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3814083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3815083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3816ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 381779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 38185cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3819083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3820083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3821083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3822083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3823083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3824083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3825083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3826083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3827083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3828083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3829083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3830083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3831083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3832083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3833083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3834083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3835ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3836083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3837083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3838a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3839083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 38407a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 38417a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38422888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3843083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3844083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3845083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3846838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3847083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3848083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3849083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3850083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3851083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3852083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 38534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3854f85e193739c953358c865005855253af4f68a497John McCall if (Ty->isObjCRetainableType()) 3855af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3856e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3857e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3858e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3859ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt return RD->hasConstCopyConstructor(); 3860e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3861e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3862e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3863af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3864af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3865af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 38664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 38675f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerASTContext::BuildByRefType(StringRef DeclName, QualType Ty) const { 3868af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3869ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3870af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3871ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3872ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3873a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3874a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3875af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3876ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3877ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3878af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3879af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3880af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3881f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3882f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3883f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3884af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3885ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 3886af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3887af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3888af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3889af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3890af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3891af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3892af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3893af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3894af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3895af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3896af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3897af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3898af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 38995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef FieldNames[] = { 3900af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3901af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3902af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3903af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3904af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3905af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3906af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3907af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3908af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3909af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3910af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3911af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3912af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3913ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 3914af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3915a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 39167a614d8380297fcd2bc23986241905d97222948cRichard Smith /*BitWidth=*/0, /*Mutable=*/false, 39177a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 39182888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3919af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3920af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3921af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3922838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3923af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3924af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3925ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3926ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3927e97179c675b341927807c718be215c8d1aab8acbDouglas GregorTypedefDecl *ASTContext::getObjCInstanceTypeDecl() { 3928e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!ObjCInstanceTypeDecl) 3929e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ObjCInstanceTypeDecl = TypedefDecl::Create(*this, 3930e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTranslationUnitDecl(), 3931e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 3932e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 3933e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor &Idents.get("instancetype"), 3934e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTrivialTypeSourceInfo(getObjCIdType())); 3935e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor return ObjCInstanceTypeDecl; 3936e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor} 3937e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 3938e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3939e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 39402d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3941e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3942bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3943bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 39441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 394585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 394685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 394785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3948a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 394933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 39504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3951f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (!type->isIncompleteArrayType() && type->isIncompleteType()) 3952f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return CharUnits::Zero(); 3953f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3954199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 39551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 395633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 39572ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3958199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 395933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 396033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3961199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3962aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3963199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3964199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3965199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3966199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3967199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 396833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 396933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 39706b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 39715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 39726b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 39736b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 39746b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 39755e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 39765e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 39775e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 39785e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3979c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 39805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 39815e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 39825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 39835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3984199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3985199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 39866f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 39875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 39885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3989aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3990199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 39915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 39925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 39935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3994199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 39955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 39965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 39975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 39985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 39995e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 40005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 40015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 40025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 40035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 40045e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 40055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 40065e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 40075389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 40085389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 40095389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 40105389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 40115389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 40125389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 40135389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 40145389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 40155389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 40166b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 40176b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 40185389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 40195389f48b24937ad7b4093307128b3cbf25235654David Chisnall 4020f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 40215389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 40225389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 40235389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 40245389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 40255389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 40265389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 40275389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 40285389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 40295389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 4030f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4031f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4032f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 40335389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 4034f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor "getObjCEncodingForFunctionDecl - Incomplete param type"); 40355389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 40365389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 40375389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 40385389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 40395389f48b24937ad7b4093307128b3cbf25235654David Chisnall 40405389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 40415389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 40425389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 40435389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 40445389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 40455389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 40465389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 40475389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 40485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 40495e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 40505e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 40515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 40525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 40535e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 4054199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4055aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 40565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 4057f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4058f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 40595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 40605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 4061a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 406233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 4063f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 40644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4065c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4066ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 4067a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 406833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 40690d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 407033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 407133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 407233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 407333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 4074199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 407533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 407633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 4077199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 4078491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis for (ObjCMethodDecl::param_const_iterator PI = Decl->param_begin(), 40797732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 408089951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 4081aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4082f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4083f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4084f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4085199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 4086199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 408733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 408833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4089199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 409033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 4091199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 40921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 409333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 409433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 4095491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis for (ObjCMethodDecl::param_const_iterator PI = Decl->param_begin(), 40967732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 4097491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis const ParmVarDecl *PVDecl = *PI; 40981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 40994306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 4100ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 4101ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 4102ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 4103bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 4104ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4105ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 4106ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4107ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 410833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 41094306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 41100d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 4111199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4112aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 411333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4114f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4115f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 411633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 411733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 4118c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 411983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 4120c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 4121c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 41221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 41231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 41241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 41251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 41261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 412783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 412883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 412983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 413083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 413183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 413283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 413383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 413483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 413583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 413683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 413783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 413883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 413983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 414083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 414183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 414283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 41431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 4144c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 41454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4146c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 4147c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 4148c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 4149c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4150c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 4151c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 41521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 4153c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 4154c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 415517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 4156653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4157c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4158c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4159c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4160c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4161c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4162c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4163c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4164c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4165c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4166c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 416761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 4168c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 416917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 4170653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4171c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4172c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4173c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4174c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4175c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4176c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4177c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4178c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 41791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4180c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4181c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4182c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4183c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4184c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 4185c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4186c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 4187090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 4188090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 41891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 4190090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 4191090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 4192c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4193c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 4194c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 4195c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4196c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 4197c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 4198c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 41991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 42003a02b44e3948f7762dbfba94b7961281ca29d022Fariborz Jahanian case ObjCPropertyDecl::Weak: S += ",W"; break; 4201c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4202c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4203c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4204c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 4205c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 4206c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 4207c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 4208c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4209090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 4210090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 42111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4212c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 4213c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 4214077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 4215c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4216c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4217c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 4218c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 4219077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 4220c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4221c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4222c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 4223c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 4224c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 422539f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 4226c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4227c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4228c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 4229c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 4230c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4231a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 42321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 42331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 4234a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 4235a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 4236a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 42378e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 4238183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 42394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 4240a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 42411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 42424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4243a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4244a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4245a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4246a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4247a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 42487d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 42494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 425082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 425182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 425282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 425382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 42541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 42555b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 425682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 425782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 425864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 425964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 4260b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unhandled builtin type kind"); 426164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 426264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 426364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 426464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 426564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 426664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 426764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 42684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 426964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 427064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 427164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 427264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 427364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 42743f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 42753f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 427664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 427764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 42784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 427964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 428064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 428164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 428264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 42833a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 428464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 428564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 428664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 42875471bc85b69912e3b448de004498a80c0de32296Douglas Gregorstatic char ObjCEncodingForEnumType(const ASTContext *C, const EnumType *ET) { 42885471bc85b69912e3b448de004498a80c0de32296Douglas Gregor EnumDecl *Enum = ET->getDecl(); 42895471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 42905471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of an non-fixed enum type is always 'i', regardless of size. 42915471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (!Enum->isFixed()) 42925471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return 'i'; 42935471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 42945471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of a fixed enum type matches its fixed underlying type. 42955471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return ObjCEncodingForPrimitiveKind(C, Enum->getIntegerType()); 42965471bc85b69912e3b448de004498a80c0de32296Douglas Gregor} 42975471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 42984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 429964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 4300a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith assert(FD->isBitField() && "not a bitfield - getObjCEncodingForTypeImpl"); 43018b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 430264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 430364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 430464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 430564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 430664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 430764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 430864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 430964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 431064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 431164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 431264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 431364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 431464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 431564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 431664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 431764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 431864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 431964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 432082905749d5c8d8b4edec11de754a73349cb96603Eli Friedman S += llvm::utostr(RL.getFieldOffset(FD->getFieldIndex())); 43215471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) 43225471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(Ctx, ET); 4323c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 43244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 432564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 4326a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith S += llvm::utostr(FD->getBitWidthValue(*Ctx)); 43278b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 43288b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 432901eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 433082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 433182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 433282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4333153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4334090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 43352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool EncodingProperty, 43362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool StructField) const { 433764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4338ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 433964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 434064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4341ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4342ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4344183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4345c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 43461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4347c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4348ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4349ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 435060bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4351aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4352aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 43536217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 43548d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 43558d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 43568d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 43578d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4358aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4359aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4360aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4361aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4362aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4363a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4364a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4365a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4366a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 43671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 43688e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4369a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4370a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4371a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4372a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 43739fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4374a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 43756217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 43766217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4377a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4378a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4379a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4380a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4381a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4382a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4383a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4384a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4385a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 43865f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(S).endswith("nr")) 43870237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4388a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 43891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 439085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 439185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 439285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4393e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 439485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 439585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 439685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 43976217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 43989533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 43999533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 44009533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 44019533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 44029533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 44039533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 44049533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 44059533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 44069533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 44079533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 44089533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 440985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 441085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4411a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4412a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 44131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 441443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4415ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4416ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4417aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4418ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4419ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4420ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 44212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (isa<IncompleteArrayType>(AT) && !StructField) { 4422559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4423559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4424559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 44251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4426559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4427559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4428559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 44291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 44312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (getTypeSize(CAT->getElementType()) == 0) 44322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '0'; 44332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis else 44342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += llvm::utostr(CAT->getSize().getZExtValue()); 44352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 4436559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 44372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert((isa<VariableArrayType>(AT) || isa<IncompleteArrayType>(AT)) && 44382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Unknown array type!"); 4439559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4440559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 44411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4443559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4444559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4445559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4446ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4447ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4449183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4450c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4451ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4452ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44546217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 445582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4456d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4457502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4458502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4459502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 44606fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 44616fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 44626fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 44636fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 44646fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4465910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4466910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 446730c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor (*this).getPrintingPolicy()); 44686fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 44696fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 44706fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4471502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4472502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4473502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 44740d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 44757d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 44762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->isUnion()) { 44772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(RDecl, S, FD); 44782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 44792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 44802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 44812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field) { 44822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 44832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 44842636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += Field->getNameAsString(); 44852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 44862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 44871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Special case bit-fields. 44892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (Field->isBitField()) { 44902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 44912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis (*Field)); 44922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 44932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = Field->getType(); 44942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 44952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, 44962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FD, /*OutermostType*/false, 44972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 44982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 44992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 4500d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 45017d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 45026de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4503d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4504ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4505ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4506e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 45075471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) { 45088b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 450964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 45108b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 45115471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(this, ET); 4512ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4513ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4515ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 451621a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4517ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4518ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4520c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4521c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4522c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4523c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 45240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 452543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 45260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 452743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 452843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 452943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 453043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 4531db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVector<const ObjCIvarDecl*, 32> Ivars; 45322c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 45332c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 4534db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose const FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 45352c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 45362c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 453743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 45382c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 453943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 454043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4541ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 454243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 45431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4544183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 454514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 454614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 454714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4548ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 455027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 455127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 455227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 455327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 455414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 455514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4556ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4558ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 45591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 456014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 456114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 456214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 456314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 456414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 456514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 456667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 456767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 456814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 456914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 457014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 457114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 457214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 457314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 457414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4575ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4577ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4578ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4579ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4580ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 45811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4582ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4583ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 45841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 45851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4586ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 458714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 458814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4589ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4590ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 459127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4592ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 459327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 459467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 459567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4596ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4597ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4598ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 45991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4600ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4601ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4602ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4603ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4605532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4606532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4607532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4608532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4609e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4610e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4611e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4612e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4613e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4614e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4615e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4616e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4617b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("@encode for type not implemented!"); 461885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 461985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 46202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidisvoid ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl, 46212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string &S, 46222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const FieldDecl *FD, 46232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool includeVBases) const { 46242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(RDecl && "Expected non-null RecordDecl"); 46252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(!RDecl->isUnion() && "Should not be called for unions"); 46262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->getDefinition()) 46272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis return; 46282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(RDecl); 46302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *> FieldOrBaseOffsets; 46312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const ASTRecordLayout &layout = getASTRecordLayout(RDecl); 46322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 46342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 46352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->bases_begin(), 46362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->bases_end(); BI != BE; ++BI) { 46372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!BI->isVirtual()) { 46382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4639829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4640829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 46412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getBaseClassOffsetInBits(base); 46422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 46432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 46442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis unsigned i = 0; 46492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 46502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 46512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field, ++i) { 46522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getFieldOffset(i); 46532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 46542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, *Field)); 46552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec && includeVBases) { 46582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 46592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->vbases_begin(), 46602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->vbases_end(); BI != BE; ++BI) { 46612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4662829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4663829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 46642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getVBaseClassOffsetInBits(base); 466519aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis if (FieldOrBaseOffsets.find(offs) == FieldOrBaseOffsets.end()) 466619aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.end(), 466719aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis std::make_pair(offs, base)); 46682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CharUnits size; 46722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 46732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = includeVBases ? layout.getSize() : layout.getNonVirtualSize(); 46742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = layout.getSize(); 46762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t CurOffs = 0; 46792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *>::iterator 46802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurLayObj = FieldOrBaseOffsets.begin(); 46812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 4682cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis if ((CurLayObj != FieldOrBaseOffsets.end() && CurLayObj->first != 0) || 4683cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis (CurLayObj == FieldOrBaseOffsets.end() && 4684cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis CXXRec && CXXRec->isDynamicClass())) { 46852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CXXRec && CXXRec->isDynamicClass() && 46862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Offset 0 was empty but no VTable ?"); 46872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 46882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "\"_vptr$"; 46892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string recname = CXXRec->getNameAsString(); 46902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (recname.empty()) recname = "?"; 46912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += recname; 46922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "^^?"; 46952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(VoidPtrTy); 46962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->hasFlexibleArrayMember()) { 46992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Mark the end of the structure. 47002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = toBits(size); 47012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 47022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, (NamedDecl*)0)); 47032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (; CurLayObj != FieldOrBaseOffsets.end(); ++CurLayObj) { 47062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CurOffs <= CurLayObj->first); 47072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurOffs < CurLayObj->first) { 47092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t padding = CurLayObj->first - CurOffs; 47102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // FIXME: There doesn't seem to be a way to indicate in the encoding that 47112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // packing/alignment of members is different that normal, in which case 47122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // the encoding will be out-of-sync with the real layout. 47132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // If the runtime switches to just consider the size of types without 47142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // taking into account alignment, we could make padding explicit in the 47152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // encoding (e.g. using arrays of chars). The encoding strings would be 47162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // longer then though. 47172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += padding; 47182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis NamedDecl *dcl = CurLayObj->second; 47212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (dcl == 0) 47222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis break; // reached end of structure. 47232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRecordDecl *base = dyn_cast<CXXRecordDecl>(dcl)) { 47252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // We expand the bases without their virtual bases since those are going 47262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // in the initial structure. Note that this differs from gcc which 47272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // expands virtual bases each time one is encountered in the hierarchy, 47282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // making the encoding type bigger than it really is. 47292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(base, S, FD, /*includeVBases*/false); 4730829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis assert(!base->isEmpty()); 4731829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis CurOffs += toBits(getASTRecordLayout(base).getNonVirtualSize()); 47322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 47332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldDecl *field = cast<FieldDecl>(dcl); 47342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 47352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 47362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += field->getNameAsString(); 47372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 47382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (field->isBitField()) { 47412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis EncodeBitField(this, S, field->getType(), field); 4742a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith CurOffs += field->getBitWidthValue(*this); 47432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 47442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = field->getType(); 47452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 47462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, FD, 47472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*OutermostType*/false, 47482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 47492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 47502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(field->getType()); 47512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis} 47552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4757ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4758ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4759ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4760ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4761ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4762ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4763ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4764ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4765ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4766ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4767ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4768ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4769ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4770ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4771ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4772ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4773b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 47741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4775b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4776b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4777b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 47784dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas GregorTypedefDecl *ASTContext::getObjCIdDecl() const { 47794dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor if (!ObjCIdDecl) { 47804dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor QualType T = getObjCObjectType(ObjCBuiltinIdTy, 0, 0); 47814dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor T = getObjCObjectPointerType(T); 47824dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor TypeSourceInfo *IdInfo = getTrivialTypeSourceInfo(T); 47834dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor ObjCIdDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 47844dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor getTranslationUnitDecl(), 47854dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor SourceLocation(), SourceLocation(), 47864dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor &Idents.get("id"), IdInfo); 47874dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor } 47884dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor 47894dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor return ObjCIdDecl; 47907e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 47917e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 47927a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas GregorTypedefDecl *ASTContext::getObjCSelDecl() const { 47937a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor if (!ObjCSelDecl) { 47947a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor QualType SelT = getPointerType(ObjCBuiltinSelTy); 47957a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor TypeSourceInfo *SelInfo = getTrivialTypeSourceInfo(SelT); 47967a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor ObjCSelDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 47977a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor getTranslationUnitDecl(), 47987a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor SourceLocation(), SourceLocation(), 47997a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor &Idents.get("SEL"), SelInfo); 48007a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor } 48017a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor return ObjCSelDecl; 4802b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4803b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4804ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4805a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4806390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4807390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 480879d6726921897811232554ed94c5d77b5b7b3fc0Douglas GregorTypedefDecl *ASTContext::getObjCClassDecl() const { 480979d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor if (!ObjCClassDecl) { 481079d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor QualType T = getObjCObjectType(ObjCBuiltinClassTy, 0, 0); 481179d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor T = getObjCObjectPointerType(T); 481279d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor TypeSourceInfo *ClassInfo = getTrivialTypeSourceInfo(T); 481379d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor ObjCClassDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 481479d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor getTranslationUnitDecl(), 481579d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor SourceLocation(), SourceLocation(), 481679d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor &Idents.get("Class"), ClassInfo); 481779d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor } 481879d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor 481979d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor return ObjCClassDecl; 48208baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 48218baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4822a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 48231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 48242198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 48251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4826a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 48272198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 48282198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 48290bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 48300bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 48314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 48324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 48334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 48340bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 48350bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 48367532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48370bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 48380bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 48390bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 48400bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 48410bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4842eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 48430bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 48440bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 48450bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 48460bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 48470bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 48487532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 48497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48500bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 48517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 48527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4853d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4854d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 48554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 48564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 48574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 48584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 48590f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 48600f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4861789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4862d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4863d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 48641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4865d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4866d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 48670bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4868d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4869d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4870d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4871d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 48721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4873d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4874d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4875d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 48767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 48777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 48784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 48794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 48804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 48811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 48823b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 48837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 48857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 48867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 48887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 48897532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 48907532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48917532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 48927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 48937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 48957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 48967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 48977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 48987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 48997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4900789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4901789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4902789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4903789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 49047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 49057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 49077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 49087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 49097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4910ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4911ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4912ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4913ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 49144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4915ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4916ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4917ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4918ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4919ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4920ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4921ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4922789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4923789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4924ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4925ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4926ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4927ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4928ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4929ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4930ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4931ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4932ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4933ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4934789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4935789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4936789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4937789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4938789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4939ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4940ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4941ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4942ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4943ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4944ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 49451aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 4946146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallASTContext::getSubstTemplateTemplateParm(TemplateTemplateParmDecl *param, 4947146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateName replacement) const { 4948146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm::FoldingSetNodeID ID; 4949146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage::Profile(ID, param, replacement); 4950146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4951146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall void *insertPos = 0; 4952146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 4953146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = SubstTemplateTemplateParms.FindNodeOrInsertPos(ID, insertPos); 4954146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4955146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall if (!subst) { 4956146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall subst = new (*this) SubstTemplateTemplateParmStorage(param, replacement); 4957146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParms.InsertNode(subst, insertPos); 4958146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 4959146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4960146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return TemplateName(subst); 4961146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall} 4962146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4963146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallTemplateName 49641aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 49651aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 49661aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 49671aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 49681aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 49691aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 49701aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 49711aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 49721aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 49731aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 49741aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 4975146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall Subst = new (*this) SubstTemplateTemplateParmPackStorage(Param, 49761aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 49771aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 49781aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 49791aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 49801aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 49811aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 49821aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 49831aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4984b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4985d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4986d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4987e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4988b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4989e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4990b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4991b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4992b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4993b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4994b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4995b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4996b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4997b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4998b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4999b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 5000b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unhandled TargetInfo::IntType value"); 5001b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 5002b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 5003b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 5004b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 5005b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 5006b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 50074fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 50084fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 50094fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 5010ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 5011e289d81369914678db386f6aa86faf8f178e245dDouglas Gregor if (getLangOptions().getGC() == LangOptions::NonGC) 5012ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 5013ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 5014ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 5015ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 5016ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 5017ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 5018ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 5019ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 5020ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 5021ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 5022ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 5023ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 5024ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 5025ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 5026ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 5027ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 5028ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 5029ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 5030ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 5031ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 5032ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 5033ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 50344fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 5035b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 50364fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 50374fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 50386ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 50396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 50406ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 5041770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 50421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 50436ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 50446ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 50456ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 5046467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 50476ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 504861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 50496ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 50506ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5051255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 5052255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 5053255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 5054255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 5055255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5056255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 5057255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 5058255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5059f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 5060f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 5061255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 5062255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 5063f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 5064255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 5065f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 5066f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 5067f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 5068f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 5069255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 5070255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5071255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 5072255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 5073255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 50744084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 50754084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 50764084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 50774084c306635b70f37029dca938444e6013f08684Steve Naroff 50784084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 50794084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 50804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 50814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 50824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 50834084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 508414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 50854084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 50864084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 50874084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 50884084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50894084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50904084c306635b70f37029dca938444e6013f08684Steve Naroff} 509114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 50924084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 50934084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 50944084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 50954084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 50964084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 50974084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 50984084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50994084c306635b70f37029dca938444e6013f08684Steve Naroff} 51004084c306635b70f37029dca938444e6013f08684Steve Naroff 5101a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 5102a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 5103a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 5104a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 5105a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 5106a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 5107a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 5108a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5109a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 5110a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 5111a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 5112a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 5113a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 5114a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 5115a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5116a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 5117a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 5118a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 5119a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5120a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5121a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 5122a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 5123a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5124a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 5125a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 5126a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 51274084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 51284084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 51294084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 51304084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 51314084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 51321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 51334084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 51344084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 51364084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 51374084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51384084c306635b70f37029dca938444e6013f08684Steve Naroff 51394084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 5140183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 51411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51424084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 51431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51444084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 51451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 51464084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 51474084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 51484084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 51494084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 51504084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 51514084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 51524084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 51530fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 51544084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51554084c306635b70f37029dca938444e6013f08684Steve Naroff } 51564084c306635b70f37029dca938444e6013f08684Steve Naroff } 51574084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 51584084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51594084c306635b70f37029dca938444e6013f08684Steve Naroff } 51601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 51614084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 51624084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 51634084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 51644084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 5165de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 5166de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 5167de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 5168de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 51694084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 51704084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 51714084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 51724084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 51734084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 51744084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 51758f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 51768f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 5177de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 51794084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 51804084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 51814084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 51824084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 51834084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 51844084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 51854084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 51860fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 51874084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 51884084c306635b70f37029dca938444e6013f08684Steve Naroff break; 51894084c306635b70f37029dca938444e6013f08684Steve Naroff } 51904084c306635b70f37029dca938444e6013f08684Steve Naroff } 51914084c306635b70f37029dca938444e6013f08684Steve Naroff } 51924084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 5193de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 5194de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5196de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 5197de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51994084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 52004084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 52014084c306635b70f37029dca938444e6013f08684Steve Naroff 52021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 52034084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 5204de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 52054084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 52064084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 52074084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 52084084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 52094084c306635b70f37029dca938444e6013f08684Steve Naroff 5210de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 52114084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 52124084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 5213de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 5214de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 52154084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 52164084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 52174084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 52184084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 52194084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 52204084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 52214084c306635b70f37029dca938444e6013f08684Steve Naroff break; 52224084c306635b70f37029dca938444e6013f08684Steve Naroff } 52234084c306635b70f37029dca938444e6013f08684Steve Naroff } 52244084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 52254084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 52264084c306635b70f37029dca938444e6013f08684Steve Naroff } 5227de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 5228de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 5229de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 5230de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 5231de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5232de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 5233de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 5234de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 5235de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 5236de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 5237de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5238de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5239de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 5240de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 5241de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 5242de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 5243de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 5244de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 5245de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5246de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 5247de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 5248de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 5249de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 5250de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5251de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5252de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 5253de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5254de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5255de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 52564084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 52574084c306635b70f37029dca938444e6013f08684Steve Naroff } 52584084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 52594084c306635b70f37029dca938444e6013f08684Steve Naroff} 52604084c306635b70f37029dca938444e6013f08684Steve Naroff 52614084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 52624084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 52634084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 52644084c306635b70f37029dca938444e6013f08684Steve Naroff/// 52654084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 52664084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 5267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 52704084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 5271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 5272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 52734084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 52744084c306635b70f37029dca938444e6013f08684Steve Naroff 5275c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 52761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 52771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 52784084c306635b70f37029dca938444e6013f08684Steve Naroff false); 5279a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5280a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 5281a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 5282a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 5283a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 5285c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 52864084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 52871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52884084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 528914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 529014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5291132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 5292fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// for providing type-safety for objective-c pointers used to pass/return 5293132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 5294132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 5295132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 5296132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 5297132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5298a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5299a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 5300a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 5301132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5302132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5303132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 5304132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 5305132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5306132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5307a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 5308132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 5309132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 5310132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 5311132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5312132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 5313132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 5314132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 5315132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 5316132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 5317a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 5318132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 5319a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 5320132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5321132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 5322132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5323132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5324132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 5325132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5326132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5327e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 5328e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 5329e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 5330e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 5331e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 5332e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 5333e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5334e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 53355f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 5336e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5337c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5338c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5339c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 5340c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 5341e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5342e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 5343e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 5344e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 5345e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 5346e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5347432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5348c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 5349c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 5350e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 5351e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 5352e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5353e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5354e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 5355e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 5356cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 5357cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 5358e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 5359e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 5360e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 53613060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 5362432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 5363c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 5364c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 5365432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5366432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 5367432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 5368432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 5369432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 5370e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5371e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 5372e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5373db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 5374db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 5375db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 5376db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 5377db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 5378c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 5379c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 5380c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 5381c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 5382c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 5383c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 53847c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian if (!LDecl || !RDecl || (LDecl == RDecl)) 5385db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5386db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 53877c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian do { 5388c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 5389e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 53905f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl *, 8> Protocols; 5391c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 5392c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5393c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 5394c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 5395c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 5396c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 5397c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 5398e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 53997c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian } while ((LDecl = LDecl->getSuperClass())); 5400db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5401db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5402db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 5403db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5404c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 5405c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 5406c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 5407c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 5408c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 54096ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 54106ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 5411c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 54126ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 54131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54146ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 54156ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 5416c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 54176ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 54181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5419b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5420b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5421b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5422b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5423b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5424b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5425627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5426627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5427627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5428b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5429b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5430b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5431b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5432b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5433627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5434b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5435b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5436b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5437b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5438b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5439b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5440b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5441b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5442b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5443b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5444b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5445b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5446b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5447b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5448b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5449b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5450b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5451b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5452b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5453b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5454b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5455b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5456b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5457b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5458b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5459b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 54601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5461c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5462c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 546391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 546491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 546591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 546691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 546791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5468c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5469c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 54708f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 54718f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 547291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 54738f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 54748f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 547591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 547691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 547791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 547891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 547991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 548091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 548191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 54826ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 54836ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5484389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5485389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5486183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5487183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 54881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 548914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5490389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 549114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 549214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 549314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5494389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5495389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5496569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5497569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5498569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5499569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5500569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5501569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 55021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5503ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 55041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5505ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5506447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5507447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 55080e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 55090e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 55100e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5511447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 55123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 55133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5514c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanianbool ASTContext::propertyTypesAreCompatible(QualType LHS, QualType RHS) { 551582378391dfc3b2fc22f63dbf1552bd9aed39dc42Fariborz Jahanian return typesAreCompatible(LHS, RHS); 5516c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian} 5517c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian 5518132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5519132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5520132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5521132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 55224846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 55234846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 55244846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 55254846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 55264846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 55274846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 55284846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 55294846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 55304846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 55314846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 55324846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5533f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 55344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 55354846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 55364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 55374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 55384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 55394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 55404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 55414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 55424846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 55434846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 55444846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 55454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 55464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 55474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 55484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 55494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 55504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 55514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 55524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 55534846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 55544846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 55554846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 55564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 55574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 55584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 55594846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 55604846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 55614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 55624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 55634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 55644846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5565132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5566447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5567447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5568183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5569183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 557072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 557172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 55723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 55733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 55743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5576132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5577d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5578d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5579d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5580d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5581d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5582d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5583a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 5584d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5585132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 55868cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 55878cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 55883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5589447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5590447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5591447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5592447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5593447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5594447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5595447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5596447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5597447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5598447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5599447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5600447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 560161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5602447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 560361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 56048cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 56056a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 56066a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 56076a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 56086a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5609264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5610264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 56118cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 56128cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 56138cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 56148cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 56158cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 56168cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 5617a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 5618a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 56198cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 56208cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 56218cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 5622f85e193739c953358c865005855253af4f68a497John McCall if (lbaseInfo.getProducesResult() != rbaseInfo.getProducesResult()) 5623f85e193739c953358c865005855253af4f68a497John McCall return QualType(); 5624f85e193739c953358c865005855253af4f68a497John McCall 562553c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian // functypes which return are preferred over those that do not. 562653c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian if (lbaseInfo.getNoReturn() && !rbaseInfo.getNoReturn()) 56276a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 562853c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian else if (!lbaseInfo.getNoReturn() && rbaseInfo.getNoReturn()) 56296a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 563053c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 563153c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 56321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5633f85e193739c953358c865005855253af4f68a497John McCall FunctionType::ExtInfo einfo = lbaseInfo.withNoReturn(NoReturn); 5634e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 56353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5636465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5637465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 56383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 56393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 56403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 56423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 56433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 56443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 56463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 56473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 56483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56497fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 56507fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 56517fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 565278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (LangOpts.ObjCAutoRefCount && 565378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian !FunctionTypesMatchOnNSConsumedAttrs(rproto, lproto)) 565478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return QualType(); 565578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 56563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 56575f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 10> types; 56583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 56593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 56603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 56614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 56624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 56634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 56643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5665447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5666447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5667447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5668447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 56693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5670447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5671447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5672447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5673447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5674447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 567561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 567661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 567761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 567861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 56793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 568078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 56813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 56823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5683e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5684e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5685e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5686e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 56873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 56883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 56903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 56913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 569272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 56933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5694465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 56953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 56963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 56973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 56983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 56993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 57003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 57013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 57023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 57033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5704b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5705b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5706b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5707b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5708b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5709b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 57103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 57113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 57123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 57143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 57163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5717e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5718e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5719e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 57203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5721e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 57223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 57233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 57253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 57268cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 57273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 57283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5729132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5730447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5731a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 573243d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 573343d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 573443d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 57357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 57367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 57370e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 57380e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5739447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5740447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5741447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5742447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5743447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 57440e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 57453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 57463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 57473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5748f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 57493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 57503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 57513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5753a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5754a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 57550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 57560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 57570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 57580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 5759f85e193739c953358c865005855253af4f68a497John McCall LQuals.getAddressSpace() != RQuals.getAddressSpace() || 5760f85e193739c953358c865005855253af4f68a497John McCall LQuals.getObjCLifetime() != RQuals.getObjCLifetime()) 57610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 57620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 57630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 57640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 57650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 57660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 57670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 57680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 57690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 57700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 57710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 57720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 57730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 57740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 57750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 57760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 57770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 57780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 57790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 57800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 57813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 57830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 57840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 57853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5786852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5787852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5788f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 57891adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 57901adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 57911adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 57921adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 57934c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 57944c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5795a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5796a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5797a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5798a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 57991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5800c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5801c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5802c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5803c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5804213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5805213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5806213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 58071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58084e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 58094e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 58101adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 58111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5812842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5813842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5814183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 58153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 58163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5817bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5818183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 58193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 58203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5821bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 58221adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 58233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5824ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 58253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58264a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 58271adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 582872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 582972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5830ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 583172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 583272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 583372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 5834b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Non-canonical and dependent types shouldn't get here"); 583572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 58367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 58377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 583872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 5839b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("C++ should never be in mergeTypes"); 584072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5841c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 584272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 584372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 584472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 584572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 5846b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Types are eliminated above"); 584772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 58481adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 58493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 58503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 58516217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 58526217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5853447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5854447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5855447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5856447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5857447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5858447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 58593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 586007d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 586161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 586207d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 586361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 58643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 58653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5866c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5867c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5868c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 58696217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 58706217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5871447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5872447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5873447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5874447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5875447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5876447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5877c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5878c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5879c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5880c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5881c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5882c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5883c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 5884b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: 5885b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman { 5886b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Merge two pointer types, while trying to preserve typedef info 5887b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType LHSValue = LHS->getAs<AtomicType>()->getValueType(); 5888b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType RHSValue = RHS->getAs<AtomicType>()->getValueType(); 5889b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (Unqualified) { 5890b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman LHSValue = LHSValue.getUnqualifiedType(); 5891b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman RHSValue = RHSValue.getUnqualifiedType(); 5892b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 5893b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType ResultType = mergeTypes(LHSValue, RHSValue, false, 5894b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Unqualified); 5895b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (ResultType.isNull()) return QualType(); 5896b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (getCanonicalType(LHSValue) == getCanonicalType(ResultType)) 5897b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return LHS; 5898b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (getCanonicalType(RHSValue) == getCanonicalType(ResultType)) 5899b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return RHS; 5900b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return getAtomicType(ResultType); 5901b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 59021adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 59033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 59043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 59053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 59063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 59073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 59083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 59093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 59103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5911447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5912447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5913447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5914447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5915447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5916447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 59173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 591861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 591961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 592061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 592161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 59223bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 59233bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 59243bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 59253bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 59263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 59273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 592861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 592961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 593061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 593161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 59323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 59333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 59343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 59353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 59363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 59373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 59383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 59393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 59403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 59413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 59423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 59433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 59443bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 59453bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 59467e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 59477e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 59483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 59491adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5950447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 595172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 595272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 59533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 59541adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 59553cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 59563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 595764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 595864cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 595964cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 59603cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 59615a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 59621c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 59631c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 59643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 596561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5966c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5967c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 59685a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 59695a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5970c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5971c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5972c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 59735fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 59745fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 59753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 597661490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 597714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5978132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5979132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5980132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5981a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 5982a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 5983132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5984132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5985132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5986183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5987183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 598814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 598914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5990bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5991132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5992ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 599372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 599472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5995ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 59967192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 599778213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanianbool ASTContext::FunctionTypesMatchOnNSConsumedAttrs( 599878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian const FunctionProtoType *FromFunctionType, 599978213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian const FunctionProtoType *ToFunctionType) { 600078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromFunctionType->hasAnyConsumedArgs() != 600178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToFunctionType->hasAnyConsumedArgs()) 600278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return false; 600378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FunctionProtoType::ExtProtoInfo FromEPI = 600478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FromFunctionType->getExtProtoInfo(); 600578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FunctionProtoType::ExtProtoInfo ToEPI = 600678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToFunctionType->getExtProtoInfo(); 600778213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromEPI.ConsumedArguments && ToEPI.ConsumedArguments) 600878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian for (unsigned ArgIdx = 0, NumArgs = FromFunctionType->getNumArgs(); 600978213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ArgIdx != NumArgs; ++ArgIdx) { 601078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromEPI.ConsumedArguments[ArgIdx] != 601178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToEPI.ConsumedArguments[ArgIdx]) 601278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return false; 601378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian } 601478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return true; 601578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian} 601678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 60172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 60182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 60192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 60202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 60212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 60222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 60232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 60242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 60252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 60262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 60272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 60282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 60292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 60302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 60312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 60322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 60332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 60342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 60352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 60362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 60372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 60382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 60392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 60402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 60412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 6042e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 6043e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 60442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 60452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 6046e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 60472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 60482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 60492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 60502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 60512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 60522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 60532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 60542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 60552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 60562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 60572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 60582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 60592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 60602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 60612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 60622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 60632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 60642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 60652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 60662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 60672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 60682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 60692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 60702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 60712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 60722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 60732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 60742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 60752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 60762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 60772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 60782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 60792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 60802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 60812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 60822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 60832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 60842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 60852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 60862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 60872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 60882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 60892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 60902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 60912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 60922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 60935426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 6094ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 6095ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 609688054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 60974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 6098f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 609929a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 61001274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 61011274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 6102f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 6103ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 6104ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6105ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 6106ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 6107f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 61086a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 61096a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 61106a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 61116a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 6112e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 61136a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 61146a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 61156a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 6116ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 61176a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 61186a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 61196a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 6120ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 6121ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 6122ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 6123ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 6124ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 6125ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 6126ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 6127ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 6128ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 6129ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 6130ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 6131ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 61322df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 61332df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 6134ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 6135b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unexpected signed integer type"); 6136ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 6137ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6138ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 61397b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 61407b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 614186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 614286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 614386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 614486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 614586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 614686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 614733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 614833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 614933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 615033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 615114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 615214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 615314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 61544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 615586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 615614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 615733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 615886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 615986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 616086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 616114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 6162393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 616333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 616486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 616586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 616686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 61671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 6168393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 616914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 6170393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 617186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 617286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 617386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 617486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 617586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 617686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 617786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 617886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 617986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 618086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 618186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 618286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 618386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 618486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 618586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 618686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 618786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 618886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 61891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 619086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 619186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 6192b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown builtin type letter!"); 619386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 619486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 619586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 619686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 619786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 619886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 619986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 620086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 620186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 620286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 620386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 620486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 620586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 620686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 620786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 620886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 620986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 621086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 621186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 621286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 621386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 621486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 621586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 621686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 621786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 621886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 621986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 622086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 622186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 622286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 622386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 622486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 622586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 622686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 622786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 622886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 622986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 623086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 623186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 623286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 623386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 623486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 623586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 623686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 623786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 623886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 623986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 624086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 624186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 624286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 624386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 624486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 624586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 624686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 624786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 6248ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 6249ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 6250ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 6251ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 6252ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 6253ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 625486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 625586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 625686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 625786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 625886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 625986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 626086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 626186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 626286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 626386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 626486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 626586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 626686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 626786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 626886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 626914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 627086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 627114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 627286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 627386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 627486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 627586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 627686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 627786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 627886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 62791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 628014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 628114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 628214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 628333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 628433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 6285788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 6286e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 628786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 628886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6289d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 629014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 629114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 629214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 6293d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 6294d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 6295cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 6296cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian case 'Y' : { 6297cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian Type = Context.getPointerDiffType(); 6298cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian break; 6299cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 63009a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 6301c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 6302c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 6303f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 630486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 630586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6306fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 63079a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 6308f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 6309782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 6310f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 6311f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 6312f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 6313fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 6314f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 6315fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 6316fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6317fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 6318782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 63191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 632033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 632133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 632286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 6323187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 632433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 632533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 632633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 632733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 632833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 632933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 633033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 633133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 633233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 633333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 633433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 633533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 633633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 633733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 633833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 633933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 634033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 634133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 634233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 634333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 634433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 634533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 634633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 634733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 634886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 634986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6350393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 635114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 6352393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 63531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 635486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 635586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 635686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 635786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 635833daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 635914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 63604ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 636133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 63621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 63635f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 8> ArgTypes; 63641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 636514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 636686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 636714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 636814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 636986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 637086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 637114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 637214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 637314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 637486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 637514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 637686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 637786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 637886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 637914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 638014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 638114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 638214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 638314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 638486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 638586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 638686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 63871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 638886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 638986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 639086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 639186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 639286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 639386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 639400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 639500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 639600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 639700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 639800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 639900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 640000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 640100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 6402ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 6403e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 640400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 640500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 6406e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6407e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 640886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 6409a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 641090e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 641190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 641290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 641390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 641490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 641590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 641690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 641790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 641890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 641990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 642090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 642190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 642290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 642390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 642490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 642590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 642690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 642790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 642890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 642990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 643090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 643190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 643290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 643390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 643490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 643590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 643690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 643790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 643890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 643990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 644090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 644190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 644290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 644390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 644490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 644590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 644690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 644790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 644890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 644990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 645090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 645190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 645290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 645390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 645490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 645590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 645690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 645790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 645890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 645990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 646090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 646190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 646290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 646390e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 646490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 646590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 646690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 646790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 646890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 646990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 647090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 647190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 647290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 647390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 647490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 647590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 647690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 647790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 647890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 647990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 648090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 648190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 648290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 648390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 648490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 648590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 648690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 648790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 648890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 648990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 649090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 649190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 649290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 649390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 649490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 649590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 649690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 649790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 649890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 649990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 650090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 650190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 650290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 65034ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 650490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 650590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 650690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 6507144b38a7995cbe0928e34fbcc865bb2d2be4f7a3Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 650890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 650990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6510ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6511ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6512ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6513ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 651490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 651590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 651690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 651790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 651890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 651990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 652010620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt if (!FD->doesThisDeclarationHaveABody()) 6521dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return FD->doesDeclarationForceExternallyVisibleDefinition(); 652290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 652390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 652490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 652590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 652690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 652790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 652890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 652990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 653090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 653190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 653290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 653390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 653490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 653590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 653690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 653790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 653890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 653990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 654090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 654190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 654290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 654390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 654490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 654590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 654690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 654794da1587f7d584fc61df793229d197969f204cd9Douglas Gregor 654890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 654990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 655090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6551ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6552ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6553ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 655490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 655590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 655690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 6557023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt // FIXME: Be more selective about which constructors we care about. 655890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 655990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6560023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() && 6561023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialCopyConstructor() && 6562023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialMoveConstructor() && 6563023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialDestructor())) 656490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 656590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 656690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 656790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 656890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 656990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 657090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 657190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 657290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 657390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 657490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 657590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6576071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6577ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6578ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6579ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6580ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6581ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 65824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6583dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6584dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6585dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6586dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 658714110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 6588bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor switch (Target->getCXXABI()) { 658914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 659014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 659114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 659214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 659314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 659414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 6595b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unsupported ABI"); 659614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 659714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6598071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6599ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6600ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremeneksize_t ASTContext::getSideTableAllocatedMemory() const { 66010c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek return ASTRecordLayouts.getMemorySize() 66020c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCLayouts) 66030c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(KeyFunctions) 66040c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCImpls) 66050c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(BlockVarCopyInits) 66060c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(DeclAttrs) 66070c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromStaticDataMember) 66080c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingDecl) 66090c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingShadowDecl) 66100c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUnnamedFieldDecl) 66110c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(OverriddenMethods) 66120c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(Types) 6613af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet + llvm::capacity_in_bytes(VariableArrayTypes) 66140d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet + llvm::capacity_in_bytes(ClassScopeSpecializationPattern); 6615ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek} 6616d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 6617d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekvoid ASTContext::setParameterIndex(const ParmVarDecl *D, unsigned int index) { 6618d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek ParamIndices[D] = index; 6619d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 6620d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 6621d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekunsigned ASTContext::getParameterIndex(const ParmVarDecl *D) const { 6622d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek ParameterIndexTable::const_iterator I = ParamIndices.find(D); 6623d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek assert(I != ParamIndices.end() && 6624d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek "ParmIndices lacks entry set by ParmVarDecl"); 6625d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek return I->second; 6626d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 6627