ASTContext.cpp revision 60ef308e51c71b760d7f598c1b763ceb7b768148
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), 230e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola jmp_bufDecl(0), sigjmp_bufDecl(0), ucontext_tDecl(0), 231e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola BlockDescriptorType(0), BlockDescriptorExtendedType(0), 232e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola cudaConfigureCallDecl(0), 233e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor NullTypeSourceInfo(QualType()), 234e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor FirstLocalImport(), LastLocalImport(), 235bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor SourceMgr(SM), LangOpts(LOpts), 23630c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor AddrSpaceMap(0), Target(t), PrintingPolicy(LOpts), 237bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Idents(idents), Selectors(sels), 238bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor BuiltinInfo(builtins), 239bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor DeclarationNames(*this), 24030c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor ExternalSource(0), Listener(0), 241bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor LastSDM(0, 0), 242bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor UniqueBlockByRefTypeID(0) 243bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor{ 2441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 245e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 246bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 247bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor if (!DelayInitialization) { 248bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor assert(t && "No target supplied for ASTContext initialization"); 249bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor InitBuiltinTypes(*t); 250bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor } 251e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 252e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2543478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2553478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2563478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 25863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 25963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 26063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2610054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 2637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 2647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 2657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 2667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 2673478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 268dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 26963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 27063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 27163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 27263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 27363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 27463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 27563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 27663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 277dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 278dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 279dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 280dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 281dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 282dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2836320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2846320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2856320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2866320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2876320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2886320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 289ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2900054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2910054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2920054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2930054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2952cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2962cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2972cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2982cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 300cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n*** AST Context Stats:\n"; 301cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << Types.size() << " types total.\n"; 3027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 303dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 305dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 306dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 307dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 308dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 309c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 312dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 315dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 316dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 317dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 318dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 319cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << counts[Idx] << " " << #Name \ 320cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " types\n"; \ 321dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 322dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 323dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 324dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 326cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "Total bytes = " << TotalBytes << "\n"; 327cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3284923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 329cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDefaultConstructorsDeclared << "/" 330cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDefaultConstructors 331cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit default constructors created\n"; 332cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyConstructorsDeclared << "/" 333cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyConstructors 334cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy constructors created\n"; 335ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 336cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveConstructorsDeclared << "/" 337cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveConstructors 338cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move constructors created\n"; 339cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyAssignmentOperatorsDeclared << "/" 340cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyAssignmentOperators 341cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy assignment operators created\n"; 342ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 343cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveAssignmentOperatorsDeclared << "/" 344cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveAssignmentOperators 345cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move assignment operators created\n"; 346cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDestructorsDeclared << "/" 347cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDestructors 348cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit destructors created\n"; 349cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3502cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 351cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n"; 3522cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3532cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 354cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 35563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 358772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getInt128Decl() const { 359772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!Int128Decl) { 360772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(Int128Ty); 361772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor Int128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 362772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 363772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 364772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 365772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__int128_t"), 366772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 367772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 368772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 369772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return Int128Decl; 370772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 371772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 372772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getUInt128Decl() const { 373772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!UInt128Decl) { 374772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(UnsignedInt128Ty); 375772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor UInt128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 376772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 377772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 378772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 379772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__uint128_t"), 380772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 381772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 382772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 383772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return UInt128Decl; 384772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 386e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 388e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 392bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregorvoid ASTContext::InitBuiltinTypes(const TargetInfo &Target) { 393bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor assert((!this->Target || this->Target == &Target) && 394bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor "Incorrect target reinitialization"); 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 397bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor this->Target = &Target; 398bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 399bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ABI.reset(createCXXABI(Target)); 400bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor AddrSpaceMap = getAddressSpaceMap(Target, LangOpts); 401bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 4041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 40815b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 4181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 43064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 4312df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 4322df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 4332df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 4342df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 4353f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 436d3d77cd138f8e830f6547b6f83fcd5721ccf5f5dEli Friedman if (TargetInfo::isTypeSigned(Target.getWCharType())) 4373f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 4383f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 4393f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 4403f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 4413a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 44264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 443f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 444f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 445f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 446f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 447f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 448f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 449f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 450f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 451f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 452f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 453898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 454898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 455898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 456898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 457898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 458898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 4598e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4602a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 4612a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 4622a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 463864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // Placeholder type for bound members. 464864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall InitBuiltinType(BoundMemberTy, BuiltinType::BoundMember); 465864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4663c3b7f90a863af43fa63043d396553ecf205351cJohn McCall // Placeholder type for pseudo-objects. 4673c3b7f90a863af43fa63043d396553ecf205351cJohn McCall InitBuiltinType(PseudoObjectTy, BuiltinType::PseudoObject); 4683c3b7f90a863af43fa63043d396553ecf205351cJohn McCall 4691de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 4701de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 4711de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 4720ddaeb9b031070ec64afe92d9892875ac44df427John McCall // Placeholder type for unbridged ARC casts. 4730ddaeb9b031070ec64afe92d9892875ac44df427John McCall InitBuiltinType(ARCUnbridgedCastTy, BuiltinType::ARCUnbridgedCast); 4740ddaeb9b031070ec64afe92d9892875ac44df427John McCall 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 4798e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4807e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 483de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 484de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 48513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 48614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 487a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 49033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4916e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4926e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4936e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 494aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov 495aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov // half type (OpenCL 6.1.1.1) / ARM NEON __fp16 496aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov InitBuiltinType(HalfTy, BuiltinType::Half); 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 499d6471f7c1921c7802804ce3ff6fe9768310f72b9David BlaikieDiagnosticsEngine &ASTContext::getDiagnostics() const { 50078a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 50178a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 50278a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 5036320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 5046320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 5056320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 5066320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 5076320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 5086320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 5096320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 5106320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 5116320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 5126320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 5136320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 5146320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 5156320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 5166320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 5176320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 5186320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 5196320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 5206320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 5216320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 522251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 523663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 5247caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 525663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 5267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 5277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 5287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 5291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5307caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 5317caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5327caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 5331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 534251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 5359421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 5369421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 5377caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 5387caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 5397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 5407caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 541251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 5429421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 5437caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5447caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 545af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois PichetFunctionDecl *ASTContext::getClassScopeSpecializationPattern( 546af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet const FunctionDecl *FD){ 547af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 548af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet llvm::DenseMap<const FunctionDecl*, FunctionDecl *>::const_iterator Pos 5490d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet = ClassScopeSpecializationPattern.find(FD); 5500d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet if (Pos == ClassScopeSpecializationPattern.end()) 551af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return 0; 552af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 553af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return Pos->second; 554af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 555af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 556af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichetvoid ASTContext::setClassScopeSpecializationPattern(FunctionDecl *FD, 557af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet FunctionDecl *Pattern) { 558af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 559af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(Pattern && "Class scope specialization pattern is 0"); 5600d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet ClassScopeSpecializationPattern[FD] = Pattern; 561af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 562af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 5637ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 564ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 5657ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 566ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 567ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 5680d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 5691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5700d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 5710d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5720d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 5730d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 574ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 575ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 576ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 577ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 578ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 579ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 580ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 581ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 582ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 583ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 584ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 585ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 586ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 587ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 588ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 589ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 590ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 591ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 592ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 593ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 594ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 595ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 596ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 597ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 5980d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5990d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 600d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 601d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 602d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 603d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 604d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 606d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 607d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 608d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 609d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 610d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 611d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 612d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 613d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 614d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 616d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 617d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 618d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 61914d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanianbool ASTContext::ZeroBitfieldFollowsNonBitfield(const FieldDecl *FD, 62014d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian const FieldDecl *LastFD) const { 62114d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 622a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) == 0); 62314d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian} 62414d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 625340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanianbool ASTContext::ZeroBitfieldFollowsBitfield(const FieldDecl *FD, 626340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian const FieldDecl *LastFD) const { 627340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 628a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) == 0 && 629a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this) != 0); 630340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian} 631340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 6329b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanianbool ASTContext::BitfieldFollowsBitfield(const FieldDecl *FD, 6339b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian const FieldDecl *LastFD) const { 6349b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 635a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) && 636a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this)); 6379b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian} 6389b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian 639dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::NonBitfieldFollowsBitfield(const FieldDecl *FD, 64052bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 64152bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (!FD->isBitField() && LastFD && LastFD->isBitField() && 642a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this)); 64352bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 64452bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 645dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::BitfieldFollowsNonBitfield(const FieldDecl *FD, 64652bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 64752bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 648a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this)); 64952bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 65052bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 6517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 6537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 6597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 6637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 6697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6707d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 671c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 672c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 673c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 674c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 675c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 676c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 677c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 678c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 679c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 680c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 6817d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 6827d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 6837d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 6847d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6857d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 686e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregorvoid ASTContext::addedLocalImportDecl(ImportDecl *Import) { 687e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor assert(!Import->NextLocalImport && "Import declaration already in the chain"); 688e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor assert(!Import->isFromASTFile() && "Non-local import declaration"); 689e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor if (!FirstLocalImport) { 690e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor FirstLocalImport = Import; 691e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor LastLocalImport = Import; 692e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor return; 693e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor } 694e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor 695e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor LastLocalImport->NextLocalImport = Import; 696e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor LastLocalImport = Import; 697e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor} 698e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor 699464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 700464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 701464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 702a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 703b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 704b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 705b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 706183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 707b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 708b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 709b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Not a floating point type!"); 710aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: return Target->getHalfFormat(); 711bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Float: return Target->getFloatFormat(); 712bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Double: return Target->getDoubleFormat(); 713bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::LongDouble: return Target->getLongDoubleFormat(); 714b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 715b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 716b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 7178b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 718af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 719af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 7205d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 7215d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 7224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 723bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned Align = Target->getCharWidth(); 724dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 7254081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 7264081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 7274081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 7284081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 7294081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 7304081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 7314081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 7324081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 73382d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne // It is an error for alignas to decrease alignment, so we can 7344081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 7354081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 7364081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 7374081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 7384081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 7394081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 7404081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 7414081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 74278a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian else if (isa<FieldDecl>(D)) 74378a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian UseAlignAttrOnly = 74478a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian D->hasAttr<PackedAttr>() || 74578a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 746dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 747ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 748ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 7494081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 750ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 751ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 7524081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 753af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 7546217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 7555d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 7565d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 7575d484e8cf710207010720589d89602233de61d01Sebastian Redl else 7585d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 7595d484e8cf710207010720589d89602233de61d01Sebastian Redl } 7605d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 7613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 7623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 763bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned MinWidth = Target->getLargeArrayMinWidth(); 7643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 7653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 7663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 767bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 7683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 7693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 770bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 7713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 7723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 7733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 7746deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 7759f1210c3280104417a4ad30f0a00825ac8fa718aChad Rosier Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 776dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 777ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 778ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 779ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 780ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 781ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 782ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 783ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 784ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 785ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 786ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 787ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 788dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 789ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 790ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 791ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 792ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 793ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 794ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 795ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 796ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 797ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 798ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 799ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 800ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 80105f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 802af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 803dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 804eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 805af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 806b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 807ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 808bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 809ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 810eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 811eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 812ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 813ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 814ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 815bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 816ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 817ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 818ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 819a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 820a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 8210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 8220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 8230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 8240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 825d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 8264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 8275e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 8285e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 829a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 83072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 83172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 83218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 83372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 83472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 835d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("Should not see dependent types"); 83672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 83772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 8385d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 8395d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 84018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 84118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 84218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 84318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 84418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 84572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 846fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 84718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 84818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 84918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 85018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 851fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 8521d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 8531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85498be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 855fea966a4103ed9c018d1494b95e9d09b161f5a70Abramo Bagnara uint64_t Size = CAT->getSize().getZExtValue(); 856fea966a4103ed9c018d1494b95e9d09b161f5a70Abramo Bagnara assert((Size == 0 || EltInfo.first <= (uint64_t)(-1)/Size) && "Overflow in array type bit size evaluation"); 857fea966a4103ed9c018d1494b95e9d09b161f5a70Abramo Bagnara Width = EltInfo.first*Size; 858030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 859cd88b4171753dcb2bc0a21d78f1597c796bb8a20Argyrios Kyrtzidis Width = llvm::RoundUpToAlignment(Width, Align); 860030d8846c7e520330007087e949f621989876e3aChris Lattner break; 8615c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 862213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 863030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 8649fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 8659fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 8669fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 8674bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 8686fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 8696fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 8708eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 8719fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 8729fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 8739fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 874030d8846c7e520330007087e949f621989876e3aChris Lattner break; 875030d8846c7e520330007087e949f621989876e3aChris Lattner } 8765d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 8779e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 878a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 879b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown builtin type!"); 880d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 88118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 88218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 88318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 88418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 88518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 8866f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 887bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getBoolWidth(); 888bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getBoolAlign(); 8896f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 890692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 891692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 892692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 8936f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 894bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getCharWidth(); 895bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getCharAlign(); 8966f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8973f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 8983f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 899bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getWCharWidth(); 900bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getWCharAlign(); 90164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 902f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 903bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar16Width(); 904bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar16Align(); 905f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 906f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 907bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar32Width(); 908bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar32Align(); 909f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 910692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 9116f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 912bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getShortWidth(); 913bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getShortAlign(); 9146f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 915692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 9166f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 917bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getIntWidth(); 918bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getIntAlign(); 9196f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 920692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 9216f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 922bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongWidth(); 923bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongAlign(); 9246f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 925692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 9266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 927bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongLongWidth(); 928bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongLongAlign(); 9296f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 930ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 931ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 932ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 933ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 934ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 935aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: 936aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov Width = Target->getHalfWidth(); 937aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov Align = Target->getHalfAlign(); 938aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov break; 9396f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 940bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getFloatWidth(); 941bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getFloatAlign(); 9426f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9436f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 944bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getDoubleWidth(); 945bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getDoubleAlign(); 9466f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9476f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 948bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongDoubleWidth(); 949bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongDoubleAlign(); 9506f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9516e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 952bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 953bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); // == sizeof(void*) 9541590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 955e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 956e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 957e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 958bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 959bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 960e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 961a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 962bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 963d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 964bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 965bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 9666f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 967485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 968207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 969207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 970bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 971bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 972485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 973485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 9745d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 9755d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 9765d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 9775d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 978207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 979207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 980bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 981bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 9825d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 9835d484e8cf710207010720589d89602233de61d01Sebastian Redl } 984f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 985207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 986bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 987bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 988f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 989f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 990f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 991071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 9931cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 994071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 9951cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 9961cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 997f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 9985d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 9995d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 10005d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 100298be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 10039e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 10045d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 10055d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 10065d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 1007c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 1008c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 100944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 10101d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 101144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 1012dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 1013dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 101444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 101544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 101672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 101772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 10181d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 10191d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 10201d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 102122ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Width = 8; 102222ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Align = 8; 10238389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 10248389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 10251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10261d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 10277176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 10287176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 10291d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 10307176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 1031dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 1032dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 1033dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 1034a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 10357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 10369fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 103749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 103849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 103949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 104034b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 104134b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 104234b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 1043dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 104434b41d939a1328f484511c6002ba2456db879a29Richard Smith } 104534b41d939a1328f484511c6002ba2456db879a29Richard Smith 1046075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 1047075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 1048075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 104918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 1050162e1c1b487352434552147967c3dd296ebee2f7Richard Smith const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); 1051df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 1052df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 1053c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 1054c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 1055c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 1056c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 1057c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 1058c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 1059c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 1060df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 10617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 10627176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 106318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 106418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 106518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 106618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 106718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 106818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 106918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 107018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 1071395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 1072395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 1073395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 1074395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 1075ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1076ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return getTypeInfo(cast<UnaryTransformType>(T)->getUnderlyingType()); 1077ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 1078465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 1079465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 10829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 10839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 10849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10853e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Type::TemplateSpecialization: { 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 108718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 10883e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith const TemplateSpecializationType *TST = cast<TemplateSpecializationType>(T); 10893e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type alias template specialization may refer to a typedef with the 10903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // aligned attribute on it. 10913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TST->isTypeAlias()) 10923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(TST->getAliasedType().getTypePtr()); 10933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 10943e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(getCanonicalType(T)); 10953e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 10963e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 1097b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: { 10982be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman std::pair<uint64_t, unsigned> Info 10992be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman = getTypeInfo(cast<AtomicType>(T)->getValueType()); 11002be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Width = Info.first; 11012be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Align = Info.second; 11022be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman if (Width != 0 && Width <= Target->getMaxAtomicPromoteWidth() && 11032be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman llvm::isPowerOf2_64(Width)) { 11042be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // We can potentially perform lock-free atomic operations for this 11052be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // type; promote the alignment appropriately. 11062be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // FIXME: We could potentially promote the width here as well... 11072be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // is that worthwhile? (Non-struct atomic types generally have 11082be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // power-of-two size anyway, but structs might not. Requires a bit 11092be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // of implementation work to make sure we zero out the extra bits.) 11102be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Align = static_cast<unsigned>(Width); 11112be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman } 1112b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 1113b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 111418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11162be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman assert(llvm::isPowerOf2_32(Align) && "Alignment must be power of 2"); 11179e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 1118a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 1119a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1120eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 1121eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 1122eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 1123eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 1124eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 1125dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 1126dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 1127dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 1128dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 1129dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 1130bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 1131bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 11324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 1133eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1134bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 11354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 1136eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1137bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 1138bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 113916e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 114086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 11414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 1142eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 114386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 11444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 1145eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 114686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 114786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 114834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 114934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 115034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 115134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 11524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 115334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 11541eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 11551eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 1156183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 11571eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 11581eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 11591eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 11601eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 11611eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 116234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 116334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 116434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 11652c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 11662c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 11672c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 11682c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 11692c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 11709820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 11712c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 11722c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 1173db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVectorImpl<const ObjCIvarDecl*> &Ivars) const { 11742c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 11752c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 11762c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 11772c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 11782c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 117911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 11803060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 1181bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 1182db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose for (const ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 1183bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Iv= Iv->getNextIvar()) 1184bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Ivars.push_back(Iv); 1185bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian } 11869820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 11879820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1188e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1189e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1190e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1191432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1192e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 119353b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 119453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 119553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 119653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1197e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1198432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1199e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1200b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1201b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1202e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1203e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1204b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1205e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1206e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1207e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1208e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1209e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1210e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1211e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1212e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1213e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1214e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1215b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 121653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1217e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1218e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1219432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1220e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1221e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1222e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1223e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1224b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1225e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1226e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1227e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1228432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1229e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1230e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1231e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1232e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1233e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1234e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1235e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 12364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 12373bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 12383bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 123980aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 124080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1241b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1242b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 12433bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 12443bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 12453bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1246b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1247b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 12488e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 12498e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 12508e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 12518a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 12528a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 12538a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 12548a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 12558a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 12568a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 12578a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 12588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 12608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 12618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 12628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 12638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 12648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 12658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 12668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 12688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 12698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 12708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 12718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 12728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 12738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 12758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 12768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 12778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 12788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 12798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 128187ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios KyrtzidisObjCInterfaceDecl *ASTContext::getObjContainingInterface(NamedDecl *ND) const { 128287ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(ND->getDeclContext())) 128387ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return ID; 128487ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(ND->getDeclContext())) 128587ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return CD->getClassInterface(); 128687ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis if (ObjCImplDecl *IMD = dyn_cast<ObjCImplDecl>(ND->getDeclContext())) 128787ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return IMD->getClassInterface(); 128887ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis 128987ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return 0; 129087ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis} 129187ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis 12921ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 12931ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1294830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1295d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1296d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1297d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1298830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1299d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 13001ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 13011ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 13021ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 13031ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 13041ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 13051ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1306d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1307d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 13081ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 13091ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 13101ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1311a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1312b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1313a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1314b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1315b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1316b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1317b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1318b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1319a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 13204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1321109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1322109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1323109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1324109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1325a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1326109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1327a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1328a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1329a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1330a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1331b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1332b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1333a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 13346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1335a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1336c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1337a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1338a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1339a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1340b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 13414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1342b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1343b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1344b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1345b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 13464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 13474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1348b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1349b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1350b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1351a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1352a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1353a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1354a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 13554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 13573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 13583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 13590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 13610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 13623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 13633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 13643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 13653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 13663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 13670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 13680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 13703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 13713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 13723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 13733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 13743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 13753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 13763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 13773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 13783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 13793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 13803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 13813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 13823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 13830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 13840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1387f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1388f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1389f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1390b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 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 address space specified, it cannot get 13970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 13990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 14000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1403ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1404ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1405b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 14064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1407d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1408b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1409d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14117f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 14127f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 141358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 14144027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 14154027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 14164027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 14174027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 14200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 14210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 14220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 14250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 14260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 14270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 14280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1431d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1432a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1433e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1434e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1435e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1436e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1437e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1438e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1439e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1440e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1441e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1442e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1443e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1444e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1445e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1446e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1447e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1448e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1449e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1450e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1451e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 14544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(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 ComplexType::Profile(ID, T); 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 14625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 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 = getComplexType(getCanonicalType(T)); 14691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1472c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 14755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 14775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 14815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 14824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 14835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 14865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 14871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 14911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 14935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1495467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1496f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 14971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1500c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 15035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 15095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 15104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1511296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1512296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 15135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 15145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 15155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 15185618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 15195618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 15205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 15211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 15235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 15245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1525467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 15265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 15271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 15295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 15305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1531c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 15346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 15355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 15365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 15375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 15385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 15395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 15407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 15417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 15424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 15434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 15449625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(getCanonicalType(T) != OverloadTy && 15459625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 15469625e44c0252485277a340746ed8ac950686156fDouglas Gregor 15475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 15485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 155054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 15515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 15547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 15555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 15567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 155754e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 155854e14c4db764c0636160d26c5bbf491637c83a76John McCall 15595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 15605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 15615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 156254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 156354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 156454e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 15657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 15677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 15687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1569c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 157354e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 157454e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 15757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 15767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 157754e14c4db764c0636160d26c5bbf491637c83a76John McCall 15787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 15797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 15807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 15827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 15834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 15847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 15857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 15867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 158754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 15887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 15907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 15917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 15927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 15937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 159454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 159554e14c4db764c0636160d26c5bbf491637c83a76John McCall 15967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 15977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 15987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 159954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 160054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 160154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 16027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 16047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 16057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1606c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 16106b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 16135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1616f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1617f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 16184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1619f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1620f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1621f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1622f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1623f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1624f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1625f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1626f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1627f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1628f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1629f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1630f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1631f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 163287c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1633f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1634f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1635f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1636f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1637f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1638c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1639f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 16406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 16416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1642f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1643f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1644f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1645f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1646f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 16471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1648fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 16491eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 165038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1651c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 165263e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1653923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1654923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1655587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1656587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 165738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 165838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 165938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 16609f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1661bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ArySize.zextOrTrunc(Target->getPointerWidth(getTargetAddressSpace(EltTy))); 16621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 166463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 16651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 16687192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 16695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 16701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 16723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 16733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 16743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 16753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 16763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 167763e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 16783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 16793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 16811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 16827192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1683c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 16845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 168763e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 16887192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 16895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1693ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1694ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1695ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1696ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1697ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1698ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1699ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1700ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1701ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1702ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1703ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1704ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1705ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1706ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1707ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1708ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1709ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1710ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1711ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1712ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1713ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1714ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1715ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1716ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1717ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1718ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1719ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1720ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1721ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1722ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1723ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1724ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1725ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1726ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1727ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1728ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1729ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1730ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1731ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1732ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 173334b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1734ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1735ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1736ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1737ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1738ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1739ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1740ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1741ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1742ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1743ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1744ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1745ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1746ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1747ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1748ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1749ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1750ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1751ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1752ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1753ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1754ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1755ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1756ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1757ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1758ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1759ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1760745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1761ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1762ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1763ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1764ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1765ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1766ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1767745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1768745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1769b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: { 1770b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman const AtomicType *at = cast<AtomicType>(ty); 1771b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman result = getAtomicType(getVariableArrayDecayedType(at->getValueType())); 1772b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman break; 1773b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 1774b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 1775ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1776ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1777ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1778ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1779ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1780ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1781ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1782ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1783745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1784745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1785ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1786ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1787ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1788ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1789ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1790ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1791ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1792ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1793ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1794ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1795ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1796ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1797ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1798ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1799ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1800ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1801ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1802ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1803ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1804ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1805ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1806ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1807ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1808ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1809ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1810ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1811ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1812ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1813ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1814ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1815ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1816ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1817ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1818ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1819ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1820ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1821ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1822ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1823ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1824745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1825bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1826bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 18277e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 18287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1829c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 183063e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 18314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1832c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1833c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 18343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1835715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 18363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 18373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 18383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 18393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 184063e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 18413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1842715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1843715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 18446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 184563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1846c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1847c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1848c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1849c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1850c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1851c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1852898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1853898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 185404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 18553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 18563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1857898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 18583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 18593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 18603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 18613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1862898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1863898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 18643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 18653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 18663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 18673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 18683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 18693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 18703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 18723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 18733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 18743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 18753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1876cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1877cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 18783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 18793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 18801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1882898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 18833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 18843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 18853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 18863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 18873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 18883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 18903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 18913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 18923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 18943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 18953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 18963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 18973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 18983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 18993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 19003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 19013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 19023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 19043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 19053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 19063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 19083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 19093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 19103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 19113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 19133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 19143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 19153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 19163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 19173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 19183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 19193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 19203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 19213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1923c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 19243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1925c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 19263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1927c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 19293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 19303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 19313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1932c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1933c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 19343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 19353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 19363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1937c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 19393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 19403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 19413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 19423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1943c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1944c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 19453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 19463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 19473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 19482bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1949c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 19513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1952c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 19543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 19553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1956fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1957fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 195873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 195973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 196082287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 19614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 19623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 19631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 19655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1966e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1967788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 19685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 19705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 19735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 19745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1975255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1976231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 19771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 19795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1980c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1983e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 19845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 19855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 19865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 19875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1989213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 199073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 19914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 19934ac01401b1ec602a1f58c217544d3dcb5fcbd7f1Douglas Gregor assert(vecType->isBuiltinType() || vecType->isDependentType()); 19941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 199573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 199673322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1997788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1998e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 199973322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 200073322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 200173322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 200273322924127c873c13101b705dd823f5539ffa5fSteve Naroff 200373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 200473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 200573322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 2006467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 2007213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 20081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 200973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 201073322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 2011c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 201273322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 20136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 20146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 201573322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 201673322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 201773322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 201873322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 201973322924127c873c13101b705dd823f5539ffa5fSteve Naroff 20204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 20224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 20234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 20242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 20251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 20262ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 20271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20282ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 20292ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 20302ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 20312ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 20322ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 20332ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 20342ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 20356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 20366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 20376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 20382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 20392ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 20402ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 20416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 20426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 20436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 2044789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2045789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 2046789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 2047789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 2048789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 20492ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 20502ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 20512ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 20522ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 20536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 20546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 20552ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 20562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 20571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20589cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 20599cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 20609cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 20619cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 206272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 20635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 20664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 2067cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 2068cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2069cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 20705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 20715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 20725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 2073264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 20741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 20761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 207772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 20785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 20791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 2081ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 208204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 2083264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 2084264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 2085264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 20861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 208872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 208972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2090c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 20915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2093cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 20946b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 2095cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 20965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 209772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 20985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 20995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 21025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 21034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 21044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 21054ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 21064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 21075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 21085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 21095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 21108026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 21115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 21131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 211472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 21155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 2116465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2117465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 21188b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl bool isCanonical= EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical(); 21195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 212054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 21215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 21225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2123cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 2124cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2125cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 2126e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 21275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 2128465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 21295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 213004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 21315f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 16> CanonicalArgs; 21325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 21335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 213454e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 2135465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2136e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 21378b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 21388b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 2139e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 2140e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 2141e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2142f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 2143beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 2144e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 2145465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 21465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 214772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 214872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2149c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 21505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2151465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2152f85e193739c953358c865005855253af4f68a497John McCall // FunctionProtoType objects are allocated with extra bytes after 2153f85e193739c953358c865005855253af4f68a497John McCall // them for three variable size arrays at the end: 2154f85e193739c953358c865005855253af4f68a497John McCall // - parameter types 2155f85e193739c953358c865005855253af4f68a497John McCall // - exception types 2156f85e193739c953358c865005855253af4f68a497John McCall // - consumed-arguments flags 2157f85e193739c953358c865005855253af4f68a497John McCall // Instead of the exception types, there could be a noexcept 2158f85e193739c953358c865005855253af4f68a497John McCall // expression. 2159e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 216060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 216160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 216260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 216360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 21648026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 216560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2166f85e193739c953358c865005855253af4f68a497John McCall if (EPI.ConsumedArguments) 2167f85e193739c953358c865005855253af4f68a497John McCall Size += NumArgs * sizeof(bool); 2168f85e193739c953358c865005855253af4f68a497John McCall 2169e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 2170cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 2171cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 21728026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 21735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 217472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 21755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 21765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 21793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 21803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 21813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 21823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 21833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 21843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 21853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 21863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 21873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 21883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 21893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 21903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 21923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 21933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 21944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 21953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 21963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 21973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 219837ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 21993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 22003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 22013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 22023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2203f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 220431f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2205f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2206f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 22073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 22083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 22093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 22103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 22112ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 22122ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 22134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 22141e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2215becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 22161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2217162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Decl)) 22182ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2219becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2220becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2221becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2222becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 222319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2224becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2225becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2226becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2227400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 222819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2229becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2230becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2231400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 223219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2233ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2234f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2235f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2236f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 22379fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2238becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 223949aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 224049aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 22412ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 22422ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 22435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 2244162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// specified typedef name decl. 22459763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2246162e1c1b487352434552147967c3dd296ebee2f7Richard SmithASTContext::getTypedefType(const TypedefNameDecl *Decl, 2247162e1c1b487352434552147967c3dd296ebee2f7Richard Smith QualType Canonical) const { 22485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 22491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22509763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 22519763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2252f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 22536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2254f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2255f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2256f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 22575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2260400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2261400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2262400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2263400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2264400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2265400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2266f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2267f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2268f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2269f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2270400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2271400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 22724ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2273400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2274400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2275400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2276400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2277400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2278400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2279f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2280f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2281f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2282f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2283400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2284400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 22859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 22869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 22879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 22889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 22899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 22909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 22929d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 22939d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 22949d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22959d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 22969d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 22979d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 22989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 23009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 23019d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 23029d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 23039d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 23049d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 23059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 230649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 230749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 230849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 23094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2310467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 231149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 231249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 231349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 231449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 231549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 231649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 231749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 231849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 231949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 232049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 232149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 232249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 232349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 232449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 232549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 232649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 232749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 232849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2329c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2330c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2331c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2332c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2333c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2334c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2335c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2336c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2337c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2338c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2339c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2340c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2341c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2342c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2343c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2344c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2345c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2346c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2347c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2348c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2349c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2350c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2351c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2352c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2353c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2354c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2355c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2356c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2357c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2358c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2359c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2360c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2361c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2362c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2363c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2364c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2365fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 236776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 23681eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 236976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 23704fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) const { 2371fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 23724fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); 2373fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 23741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2375fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2376fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2377fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2378fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 23791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23804fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth if (TTPDecl) { 238176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 23824fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); 2383789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2384789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2385789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2386789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2387789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 238876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 23896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 23906b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2391fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2392fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2393fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2394fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2395fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2396fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2397fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 23983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 23993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 24003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 24013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 24023e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 24037c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 24047c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType TST = getTemplateSpecializationType(Name, Args, Underlying); 24063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 24073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 24083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 24093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 24103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 24113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 24123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 24133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 24143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 24153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 24163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 24173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 24181eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 24197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2420d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 24213e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 24227c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 24237c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24247c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2425d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2426d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 24275f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> ArgVec; 2428833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2429833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2430833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2431833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 243231f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 24333e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Underlying); 2434833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2435833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2436833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2437833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 24387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 24397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 24403e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 24417c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 24427c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24430f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 24440f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 24450f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 24467c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 24473e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias = 24483e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Template.getAsTemplateDecl() && 24493e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); 24503e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 24513e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType CanonType; 24523e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (!Underlying.isNull()) 24533e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalType(Underlying); 24543e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else { 24553e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(!isTypeAlias && 24563e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 24573e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalTemplateSpecializationType(Template, Args, 24583e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith NumArgs); 24593e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2460fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 24611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 24621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 24631275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 24643e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith void *Mem = Allocate(sizeof(TemplateSpecializationType) + 24653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith sizeof(TemplateArgument) * NumArgs + 24663e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith (isTypeAlias ? sizeof(QualType) : 0), 24676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 24681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2469ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 247031f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 24713e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType, 24723e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isTypeAlias ? Underlying : QualType()); 24731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 247455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 24751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 247655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 247755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 24781eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 24799763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 24809763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 24814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 24827c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 24837c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24843e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert((!Template.getAsTemplateDecl() || 24853e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith !isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl())) && 24863e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 24873e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 24880f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 24890f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 24900f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 24917c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 24929763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 24939763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 24945f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> CanonArgs; 24959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 24969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 24979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 24989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24999763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 25009763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 25019763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 25029763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 25039763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 25049763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 25059763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 25069763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 25079763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 25089763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 25099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 25109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 25119763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 25129763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 25139763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 25149763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 25159763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 25163e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType(), QualType()); 25179763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 25189763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 25199763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 25209763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 25219763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 25229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 25239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 25249763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 25259763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 25269763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2527465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2528465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 25294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2530e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2531465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2532e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2533e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2534465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2535e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2536e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2537e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2538789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2539789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2540789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2541465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2542465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2543789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2544789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2545789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2546465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2547e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2548465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2549e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2550e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2551e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2552075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 25534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2554075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2555075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2556075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2557075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2558075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2559075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2560075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2561075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2562075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2563075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2564075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2565075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2566075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2567075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2568075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2569075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2570075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2571075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2572075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2573075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2574075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2575075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 25764a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 25774a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 25784a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 25794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2580d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2581d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2582d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2583d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 25844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 25854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 25864a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 25874a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 25884a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 25894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2590d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2591d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2592d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 25934a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2594d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2595d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 25964714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 25974714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2598d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2599d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2600d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 26014a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2602d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 26034714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 26041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2605d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2606d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 26071eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 260833500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 260933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 26104a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 261133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 26124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 261333500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 26145f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> ArgCopy; 261533500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 261633500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 261733500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 261833500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 261933500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 262033500955d731c73717af52088b7fc0e7a85681e7John McCall} 262133500955d731c73717af52088b7fc0e7a85681e7John McCall 262233500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 262333500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 262433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 262533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 262633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 262733500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 26284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2629aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2630aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 26311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2632789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 263333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 263433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2635789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2636789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 263733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 263833500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2639789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2640789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2641789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 264233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 264333500955d731c73717af52088b7fc0e7a85681e7John McCall 264433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 264533500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 26461734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 264733500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 26485f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 264933500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 265033500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 265133500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 265233500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2653789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 26541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 265533500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 265633500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 265733500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 265833500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 265933500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 266033500955d731c73717af52088b7fc0e7a85681e7John McCall 266133500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 266233500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 266333500955d731c73717af52088b7fc0e7a85681e7John McCall } 266433500955d731c73717af52088b7fc0e7a85681e7John McCall 266533500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 266633500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 266733500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2668ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 266933500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 26701734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 267133500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 26721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 26731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 26741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2675cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2676cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 26777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2678cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 26797536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 26807536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 26817536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 26827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 26837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 26847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 26857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 26867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 26877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 26887536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 26897536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2690cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 26917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 26927536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 26937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 26947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 26957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2696cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 26977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 26987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 26997536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 27007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 27017536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 270288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 270388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 270488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 270588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 27062e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 270788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 270888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2709c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 271054e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 271154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 271254e14c4db764c0636160d26c5bbf491637c83a76John McCall 271354e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 271454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 271554e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 271654e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 271754e14c4db764c0636160d26c5bbf491637c83a76John McCall} 271854e14c4db764c0636160d26c5bbf491637c83a76John McCall 271954e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 272088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 272188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 27221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 272388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 272488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 272588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 272688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 272788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 272888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 272988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 273088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2731c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2732c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 27334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2734c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2735c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2736c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2737c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2738d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2739c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2740c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2741c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2742d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2743c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2744c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2745d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2746c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2747c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 274854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2749c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2750c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2751c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 27525f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 27530237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 275454e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 275554e14c4db764c0636160d26c5bbf491637c83a76John McCall 275654e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2757c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2758c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 275954e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2760c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2761c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 276254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 276354e14c4db764c0636160d26c5bbf491637c83a76John McCall 276454e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2765c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 276654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 276754e14c4db764c0636160d26c5bbf491637c83a76John McCall 2768c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2769c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2770fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2771c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2772c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 27731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2774c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2775c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2776c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2777d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 277888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2779c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2780c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 27814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 27824b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2783c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 27841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27854b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2786c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2787c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 27884b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2790c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 279154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2792c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2793c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 279454e14c4db764c0636160d26c5bbf491637c83a76John McCall 2795c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2796c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 279754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 279854e14c4db764c0636160d26c5bbf491637c83a76John McCall 2799c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2800c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2801c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2802c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 280324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 280424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2805c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 280624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 280724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 280824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2809deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2810deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 28114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2812deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2813deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 281474c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2815deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2816deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2817deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2818deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2819deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2820deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2821c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2822c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 282372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 282472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 28259752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 28261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 28279752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 28284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2829dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2830b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2831b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2832b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 28331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2834b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2835b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2836b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2837b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2838b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2839b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 28406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2841b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 28423060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 2843b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 28446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 28456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2846b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2847b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2848b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2849b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2850dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 28516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2852dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 28539752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 28549752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2855d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2856d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 28579752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 28589752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 28599752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 28601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 28619752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 28624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2863f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 28646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 28659752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 28669752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2867d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2868d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 286960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 287060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 28714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2872a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2873a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 28741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 287560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 287660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 287760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 287860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 287960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 288060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 288160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 288260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 288360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 288460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 288560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 288660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 288760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 288860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 288960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 28901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 28921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 289460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 28957eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 289660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 28971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 289960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 290060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2901395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2902395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2903395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 29041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 290539e02032b01874a0d02ba85a4cd3922adda81376David Blaikie/// on canonical types (which are always unique). 29064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2907dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 2908561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 2909561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // C++0x [temp.type]p2: 2910561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // If an expression e involves a template parameter, decltype(e) denotes a 2911561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // unique dependent type. Two such decltype-specifiers refer to the same 2912561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // type only if their expressions are equivalent (14.5.6.1). 2913561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (e->isInstantiationDependent()) { 29149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 29159d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 29161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29179d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 29189d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 29199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 29209d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 29219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 29229d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 29236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 29249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 29253060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 29269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 29276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 29289d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 29299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 29309d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 29319d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2932dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 29336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2934dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2935395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2936395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2937395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2938395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2939ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// getUnaryTransformationType - We don't unique these, since the memory 2940ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// savings are minimal and these are rare. 2941ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType ASTContext::getUnaryTransformType(QualType BaseType, 2942ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType, 2943ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind Kind) 2944ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt const { 2945ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType *Ty = 294669d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor new (*this, TypeAlignment) UnaryTransformType (BaseType, UnderlyingType, 294769d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor Kind, 294869d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor UnderlyingType->isDependentType() ? 294969d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor QualType() : UnderlyingType); 2950ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Types.push_back(Ty); 2951ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(Ty, 0); 2952ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2953ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2954483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 295534b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2956483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2957483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2958483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2959483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2960483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2961483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2962483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2963483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2964483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2965483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2966483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2967483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2968483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2969483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 297034b41d939a1328f484511c6002ba2456db879a29Richard Smith} 297134b41d939a1328f484511c6002ba2456db879a29Richard Smith 2972b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman/// getAtomicType - Return the uniqued reference to the atomic type for 2973b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman/// the given value type. 2974b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli FriedmanQualType ASTContext::getAtomicType(QualType T) const { 2975b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Unique pointers, to guarantee there is only one pointer of a particular 2976b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // structure. 2977b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman llvm::FoldingSetNodeID ID; 2978b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType::Profile(ID, T); 2979b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 2980b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman void *InsertPos = 0; 2981b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (AtomicType *AT = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos)) 2982b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return QualType(AT, 0); 2983b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 2984b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // If the atomic value type isn't canonical, this won't be a canonical type 2985b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // either, so fill in the canonical type field. 2986b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType Canonical; 2987b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (!T.isCanonical()) { 2988b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Canonical = getAtomicType(getCanonicalType(T)); 2989b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 2990b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Get the new insert position for the node we care about. 2991b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType *NewIP = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos); 2992b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 2993b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 2994b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType *New = new (*this, TypeAlignment) AtomicType(T, Canonical); 2995b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Types.push_back(New); 2996b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicTypes.InsertNode(New, InsertPos); 2997b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return QualType(New, 0); 2998b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman} 2999b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 3000ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 3001ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 3002ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 3003ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 3004ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 3005ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 3006ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 3007ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 3008ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 3009ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 3010ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 3011ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 3012ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 3013ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 3014ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 3015ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 30165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 30175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 30184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 3019d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 3020e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 3021e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 3022e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 30235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 30245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 30261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 30271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 3028a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 3029bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getSizeType()); 30305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 30315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 303229e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg/// getIntMaxType - Return the unique type for "intmax_t" (C99 7.18.1.5). 303329e97cb35fab314388f62b68fefa78947e93c1dcHans WennborgCanQualType ASTContext::getIntMaxType() const { 303429e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg return getFromTargetType(Target->getIntMaxType()); 303529e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg} 303629e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg 303729e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg/// getUIntMaxType - Return the unique type for "uintmax_t" (C99 7.18.1.5). 303829e97cb35fab314388f62b68fefa78947e93c1dcHans WennborgCanQualType ASTContext::getUIntMaxType() const { 303929e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg return getFromTargetType(Target->getUIntMaxType()); 304029e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg} 304129e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg 304264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 304364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 304464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 304564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 304664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 304764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 304864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 304964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 305064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 305164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 305264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 305364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 305464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 305564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 305629e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg/// getPointerDiffType - Return the unique type for "ptrdiff_t" (C99 7.17) 30578b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 30588b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 3059bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getPtrDiffType(0)); 30608b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 30618b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 3062e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 3063e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 3064e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 3065e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 30664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 306754e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 306854e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 306954e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 3070745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 307154e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 307254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 307354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 307454e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 307554e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 307654e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 307754e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 307854e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 307954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 308054e14c4db764c0636160d26c5bbf491637c83a76John McCall 308154e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 308254e14c4db764c0636160d26c5bbf491637c83a76John McCall} 308354e14c4db764c0636160d26c5bbf491637c83a76John McCall 308462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 308562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 308662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 308762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 308862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 308962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 309062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 309162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 309262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 309362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 309462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 309562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 30969dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 309762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 309862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 309928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 310028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 310162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 310262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 310362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 310462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 310562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 310662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 310762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 310862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 310962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 311062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 311162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 311262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 311362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 311462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 311562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 311628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 31179dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 311862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 311928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 312028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 312128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 31229dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 312362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 312428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 312528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 31269dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 312762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 31283fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 31299dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 31309dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 31319dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 31329dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 31339dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 31349dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 313562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 313628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 313728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 313828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 313928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 31405a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 31415a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 31425a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 31435a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 31445a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 31455a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 31465a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 31475a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 31485a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 31495a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 31505a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 31515a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 31525a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 31535a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 31545a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 31555a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31565a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31575a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 31585a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 31595a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 31605a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 31615a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 31625a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 31635a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 31645a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 31655a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31665a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31675a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 31685a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 31695a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 31705a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 31715a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 31725a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 31735a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 31745a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31755a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31765a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31775a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 31785a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31795a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 31805a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 31815a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 31834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 31844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 3185146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3186146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3187146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: 31882577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 3189146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(Name.getAsTemplateDecl()->getDeclName(), 3190146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 31912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3192146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: { 3193146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 3194146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall // DNInfo work in progress: CHECKME: what about DNLoc? 3195146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 3196146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3197146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3198146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3199146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 32002577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 320180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 32022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 32032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 320480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 32052577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 32062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 32072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 32082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 32092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 32102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 321180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 321280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 321380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 3214146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3215146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3216146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3217146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameter()->getDeclName(), 3218146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3219146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3220146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3221146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3222146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3223146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3224146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameterPack()->getDeclName(), 3225146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3226146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3227146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3228146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3229146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name kind!"); 323080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 323180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 32324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 3233146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3234146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3235146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: { 3236146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateDecl *Template = Name.getAsTemplateDecl(); 32373e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 3238146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = dyn_cast<TemplateTemplateParmDecl>(Template)) 32393e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 32403e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 32413e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 324297fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 32433e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 324425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3245146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: 3246146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("cannot canonicalize overloaded template"); 3247146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3248146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3249146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 3250146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall assert(DTN && "Non-dependent template names must refer to template decls."); 3251146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DTN->CanonicalTemplateName; 3252146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3253146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3254146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3255146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3256146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3257146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getCanonicalTemplateName(subst->getReplacement()); 32581aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 32591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3260146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3261146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3262146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3263146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateTemplateParmDecl *canonParameter 3264146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateTemplateParmDecl(subst->getParameterPack()); 3265146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateArgument canonArgPack 3266146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateArgument(subst->getArgumentPack()); 3267146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getSubstTemplateTemplateParmPack(canonParameter, canonArgPack); 3268146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3269146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3270146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3271146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name!"); 327225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 327325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3274db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 3275db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 3276db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 3277db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 3278db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 3279db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 32801eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 32814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 32821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 32831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 32841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 32851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 32871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 32881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32891275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 3290833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 32911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3292788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3293788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3294a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3295a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3296a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3297a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 32982be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3299a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 33001275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3301833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 33021275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 33031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33041275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3305833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 33061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 330887dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 330987dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 331087dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3311910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3312910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 33131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 33141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 33151275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 33161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 33171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 33181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3319910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 33201275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 33211275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 33221275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 33231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 3324b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unhandled template argument kind"); 33251275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 33261275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3327d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 33284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 33291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3330d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3331d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3332d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3333d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3334d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 33351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3336d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3337d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3338d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3339d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3340d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3341d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 334214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 334314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 334414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 334514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 334614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 334714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 334814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 334914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 335014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3351d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3352d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3353d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3354d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3355264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3356264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3357264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3358264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3359264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3360264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3361264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3362264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3363264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3364264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3365264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3366264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3367264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3368264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3369264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3370643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3371264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3372264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3373264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3374264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3375aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3376aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3377aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3378aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3379aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3380264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3381264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3382264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 33833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 33843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3385d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3386d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3387d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3388d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3389d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3390d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3391d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3392d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3393d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3394d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3395d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3396c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 33974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3398c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3399a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3400c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3401c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3402c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3403c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 34041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 34063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3407c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 34081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3410c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3411c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 34121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3413c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3414c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 341550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 34160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 34183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 34191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3420c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 34213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 34223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3423c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 34241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3425c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3426c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 34273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 34281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3429c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3430c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3431c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 34320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3433c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3434c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3435c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 34360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3437898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 34381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3439898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3440898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 34411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 34423fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3443898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 34440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 34457e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 34461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3447c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 34487e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 34493fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3450c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 34510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 34527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 345377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 345477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 345579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getAdjustedParameterType(QualType T) { 345679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p7: 345779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "array of type" shall be 345879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // adjusted to "qualified pointer to type", where the type 345979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // qualifiers (if any) are those specified within the [ and ] of 346079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // the array type derivation. 346179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isArrayType()) 346279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getArrayDecayedType(T); 346379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 346479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p8: 346579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "function returning type" 346679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // shall be adjusted to "pointer to function returning type", as 346779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // in 6.3.2.1. 346879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isFunctionType()) 346979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getPointerType(T); 347079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 347179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T; 347279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 347379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 347479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getSignatureParameterType(QualType T) { 347579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getVariableArrayDecayedType(T); 347679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getAdjustedParameterType(T); 347779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T.getUnqualifiedType(); 347879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 347979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 3480e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3481e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3482e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3483e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3484e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3485e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 34864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3487c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3488c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3489c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3490c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3491c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3492c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 34931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3494c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3495e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3496e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 34970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3498e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3499e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 35003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 35013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 35025e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 35035e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 35043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 35053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 35063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 35073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 35083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 35093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 35101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 35123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 35133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 35141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 35166183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 35176183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 35180de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 35191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 35200de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 35210de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 35220de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 35230de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 35240de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 35250de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 35260de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 35270de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 35280de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 35295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 35305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3531a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3532183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 35335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3534a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3535183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3536183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3537b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getFloatingRank(): not a floating type"); 3538aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: return HalfRank; 35395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 35405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 35415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 35425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 35435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 35445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 35461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3547716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3548716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 35491361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 35501361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 35511361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 35521361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 35531361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3554b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getFloatingRank(): illegal value for rank"); 3555f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3556f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3557f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3558f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3559f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 35601361b11066239ea15764a2a844405352d87296b3Chris Lattner 35611361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 35621361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3563b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getFloatingRank(): illegal value for rank"); 35641361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 35651361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 35661361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 35675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 35685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 35695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 35717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 35727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 35731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 35744ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3575a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3576a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 35771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3578a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3579fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3580a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3581fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3582fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 35835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 35845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3585f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3586f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3587f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3588f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3589467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3590f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3591f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 3592b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getIntegerRank(): not a built-in integer"); 35937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3594f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 35957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 35967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 35977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 35987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3599f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 36007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 36017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3602f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 36037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 36047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3605f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 36067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 36077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3608f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 36097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 36107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3611f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 36122df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 36132df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 36142df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3615f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3616f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3617f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 361804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 361904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 362004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 362104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 362204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 36234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3624ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3625ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3626ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 362704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 362804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 362904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 363004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 363104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 363204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3633a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith uint64_t BitWidth = Field->getBitWidthValue(*this); 363404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 363504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 363604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 363704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 363804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 363904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 364004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 364104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 364204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 364304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 364404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 364504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 364604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 364704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 364804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 364904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 365004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3651a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3652a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3653a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 36544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3655a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3656a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3657842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3658842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 365968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman 366068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (const BuiltinType *BT = Promotable->getAs<BuiltinType>()) { 366168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // C++ [conv.prom]: A prvalue of type char16_t, char32_t, or wchar_t 366268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // (3.9.1) can be converted to a prvalue of the first of the following 366368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // types that can represent all the values of its underlying type: 366468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // int, unsigned int, long int, unsigned long int, long long int, or 366568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // unsigned long long int [...] 366668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // FIXME: Is there some better way to compute this? 366768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (BT->getKind() == BuiltinType::WChar_S || 366868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::WChar_U || 366968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::Char16 || 367068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::Char32) { 367168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman bool FromIsSigned = BT->getKind() == BuiltinType::WChar_S; 367268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman uint64_t FromSize = getTypeSize(BT); 367368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman QualType PromoteTypes[] = { IntTy, UnsignedIntTy, LongTy, UnsignedLongTy, 367468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman LongLongTy, UnsignedLongLongTy }; 367568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman for (size_t Idx = 0; Idx < llvm::array_lengthof(PromoteTypes); ++Idx) { 367668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman uint64_t ToSize = getTypeSize(PromoteTypes[Idx]); 367768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (FromSize < ToSize || 367868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman (FromSize == ToSize && 367968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman FromIsSigned == PromoteTypes[Idx]->isSignedIntegerType())) 368068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman return PromoteTypes[Idx]; 368168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 368268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman llvm_unreachable("char type should fit into long long"); 368368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 368468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 368568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman 368668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // At this point, we should have a signed or unsigned integer type. 3687a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3688a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3689a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3690a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3691a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3692a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3693a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3694a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 369531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// \brief Recurses in pointer/array types until it finds an objc retainable 369631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// type and returns its ownership. 369731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios KyrtzidisQualifiers::ObjCLifetime ASTContext::getInnerObjCOwnership(QualType T) const { 369831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis while (!T.isNull()) { 369931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T.getObjCLifetime() != Qualifiers::OCL_None) 370031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return T.getObjCLifetime(); 370131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T->isArrayType()) 370231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = getBaseElementType(T); 370331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const PointerType *PT = T->getAs<PointerType>()) 370431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = PT->getPointeeType(); 370531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 370628445f0b62f6aed851ff87ce64d9b19200d3211fArgyrios Kyrtzidis T = RT->getPointeeType(); 370731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else 370831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis break; 370931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis } 371031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 371131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return Qualifiers::OCL_None; 371231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis} 371331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 37141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 37157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 37161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 37174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3718f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3719f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 37207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 37211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3722f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3723f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 37241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37257cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 37267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 37271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37287cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 37297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 37307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 37317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 37321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 37347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 37357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 37367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 37377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 37381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 37407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 37411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 37427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 37437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 37447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 37457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 37467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 37477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 37481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 37507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 37511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 37527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 37535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 375471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 375579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3756ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3757ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3758ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 375979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 3760ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 376179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3762ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 376379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3764ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 37651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 37664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 376771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 37681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3769ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 377079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 37715cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 377279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3773f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 37741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 377571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 37760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3777f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3778f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 377971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 37800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 378171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 37821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 37831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 378444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 378544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 37861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3787ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 378844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3789a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 37901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 37917a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37927a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37932888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 379417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 379544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 379644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3797838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 379871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 37991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 380071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 38018467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3802b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3803319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 38046217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3805319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3806319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3807319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3808319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 38094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3810adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3811adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3812adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3813adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3814adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3815ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 381679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 38175cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3818adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3819adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3820adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3821adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3822adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3823adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3824adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3825adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3826083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3827adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3828adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3829adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3830ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3831adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3832adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3833a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3834adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 38357a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 38367a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38372888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3838adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3839adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3840adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3841838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3842adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3843adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3844adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3845adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3846adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3847adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 38484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3849083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3850083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3851083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3852083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3853083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3854ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 385579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 38565cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3857083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3858083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3859083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3860083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3861083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3862083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3863083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3864083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3865083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3866083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3867083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3868083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3869083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3870083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3871083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3872083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3873ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3874083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3875083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3876a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3877083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 38787a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 38797a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38802888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3881083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3882083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3883083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3884838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3885083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3886083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3887083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3888083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3889083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3890083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 38914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3892f85e193739c953358c865005855253af4f68a497John McCall if (Ty->isObjCRetainableType()) 3893af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3894e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3895e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3896e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3897ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt return RD->hasConstCopyConstructor(); 3898e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3899e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3900e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3901af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3902af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3903af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 39044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 39055f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerASTContext::BuildByRefType(StringRef DeclName, QualType Ty) const { 3906af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3907ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3908af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3909ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3910ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3911a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3912a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3913af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3914ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3915ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3916af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3917af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3918af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3919f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3920f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3921f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3922af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3923ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 3924af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3925af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3926af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3927af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3928af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3929af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3930af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3931af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3932af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3933af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3934af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3935af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3936af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 39375f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef FieldNames[] = { 3938af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3939af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3940af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3941af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3942af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3943af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3944af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3945af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3946af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3947af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3948af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3949af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3950af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3951ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 3952af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3953a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 39547a614d8380297fcd2bc23986241905d97222948cRichard Smith /*BitWidth=*/0, /*Mutable=*/false, 39557a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 39562888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3957af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3958af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3959af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3960838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3961af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3962af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3963ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3964ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3965e97179c675b341927807c718be215c8d1aab8acbDouglas GregorTypedefDecl *ASTContext::getObjCInstanceTypeDecl() { 3966e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!ObjCInstanceTypeDecl) 3967e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ObjCInstanceTypeDecl = TypedefDecl::Create(*this, 3968e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTranslationUnitDecl(), 3969e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 3970e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 3971e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor &Idents.get("instancetype"), 3972e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTrivialTypeSourceInfo(getObjCIdType())); 3973e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor return ObjCInstanceTypeDecl; 3974e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor} 3975e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 3976e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3977e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 39782d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3979e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3980bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3981bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 39821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 398385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 398485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 398585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3986a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 398733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 39884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3989f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (!type->isIncompleteArrayType() && type->isIncompleteType()) 3990f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return CharUnits::Zero(); 3991f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3992199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 39931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 399433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 39952ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3996199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 399733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 399833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3999199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 4000aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 4001199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 4002199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 4003199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 4004199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 4005199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 400633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 400733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 40086b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 40095e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 40106b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 40116b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 40126b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 40135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 40145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 40155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 40165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 4017c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 40185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 40195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 40205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 40215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 4022199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 4023199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 40246f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 40255e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 40265e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 4027aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4028199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 40295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 40305e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 40315e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 4032199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 40335e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 40345e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 40355e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 40365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 40375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 40385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 40395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 40405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 40415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 40425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 40435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 40445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 40455389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 40465389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 40475389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 40485389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 40495389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 40505389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 40515389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 40525389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 40535389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 40546b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 40556b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 40565389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 40575389f48b24937ad7b4093307128b3cbf25235654David Chisnall 4058f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 40595389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 40605389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 40615389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 40625389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 40635389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 40645389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 40655389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 40665389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 40675389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 4068f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4069f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4070f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 40715389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 4072f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor "getObjCEncodingForFunctionDecl - Incomplete param type"); 40735389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 40745389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 40755389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 40765389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 40775389f48b24937ad7b4093307128b3cbf25235654David Chisnall 40785389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 40795389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 40805389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 40815389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 40825389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 40835389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 40845389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 40855389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 40865e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 40875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 40885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 40895e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 40905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 40915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 4092199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4093aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 40945e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 4095f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4096f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 40975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 40985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 4099dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson/// getObjCEncodingForMethodParameter - Return the encoded type for a single 4100dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson/// method parameter or return type. If Extended, include class names and 4101dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson/// block object types. 4102dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilsonvoid ASTContext::getObjCEncodingForMethodParameter(Decl::ObjCDeclQualifier QT, 4103dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson QualType T, std::string& S, 4104dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool Extended) const { 4105dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Encode type qualifer, 'in', 'inout', etc. for the parameter. 4106dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeQualifier(QT, S); 4107dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Encode parameter type. 4108dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeImpl(T, S, true, true, 0, 4109dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson true /*OutermostType*/, 4110dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /*EncodingProperty*/, 4111dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /*StructField*/, 4112dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson Extended /*EncodeBlockParameters*/, 4113dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson Extended /*EncodeClassNames*/); 4114dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson} 4115dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson 4116a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 411733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 4118f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 4119dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson std::string& S, 4120dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool Extended) const { 4121c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4122dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Encode return type. 4123dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForMethodParameter(Decl->getObjCDeclQualifier(), 4124dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson Decl->getResultType(), S, Extended); 412533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 412633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 412733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 412833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 4129199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 413033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 413133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 4132199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 4133491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis for (ObjCMethodDecl::param_const_iterator PI = Decl->param_begin(), 41347732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 413589951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 4136aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4137f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4138f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4139f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4140199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 4141199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 414233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 414333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4144199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 414533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 4146199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 41471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 414833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 414933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 4150491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis for (ObjCMethodDecl::param_const_iterator PI = Decl->param_begin(), 41517732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 4152491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis const ParmVarDecl *PVDecl = *PI; 41531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 41544306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 4155ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 4156ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 4157ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 4158bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 4159ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4160ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 4161ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4162dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForMethodParameter(PVDecl->getObjCDeclQualifier(), 4163dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson PType, S, Extended); 4164199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4165aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 416633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4167f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4168f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 416933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 417033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 4171c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 417283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 4173c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 4174c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 41751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 41761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 41771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 41781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 41791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 418083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 418183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 418283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 418383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 418483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 418583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 418683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 418783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 418883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 418983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 419083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 419183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 419283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 419383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 419483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 419583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 41961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 4197c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 41984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4199c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 4200c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 4201c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 4202c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4203c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 4204c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 42051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 4206c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 4207c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 420817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 4209653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4210c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4211c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4212c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4213c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4214c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4215c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4216c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4217c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4218c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4219c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 422061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 4221c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 422217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 4223653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4224c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4225c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4226c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4227c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4228c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4229c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4230c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4231c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 42321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4233c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4234c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4235c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4236c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4237c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 4238c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4239c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 4240090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 4241090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 42421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 4243090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 4244090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 4245c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4246c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 4247c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 4248c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4249c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 4250c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 4251c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 42521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 42533a02b44e3948f7762dbfba94b7961281ca29d022Fariborz Jahanian case ObjCPropertyDecl::Weak: S += ",W"; break; 4254c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4255c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4256c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4257c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 4258c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 4259c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 4260c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 4261c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4262090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 4263090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 42641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4265c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 4266c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 4267077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 4268c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4269c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4270c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 4271c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 4272077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 4273c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4274c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4275c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 4276c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 4277c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 427839f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 4279c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4280c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4281c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 4282c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 4283c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4284a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 42851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 42861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 4287a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 4288a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 4289a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 42908e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 4291183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 42924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 4293a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 42941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 42954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4296a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4297a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4298a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4299a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4300a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 43017d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 43024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 430382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 430482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 430582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 430682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 43071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 43085b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 430982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 431082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 431164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 431264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 4313b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unhandled builtin type kind"); 431464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 431564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 431664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 431764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 431864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 431964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 432064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 43214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 432264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 432364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 432464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 432564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 432664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 43273f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 43283f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 432964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 433064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 43314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 433264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 433364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 433464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 433564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 43363a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 433764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 433864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 433964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 43405471bc85b69912e3b448de004498a80c0de32296Douglas Gregorstatic char ObjCEncodingForEnumType(const ASTContext *C, const EnumType *ET) { 43415471bc85b69912e3b448de004498a80c0de32296Douglas Gregor EnumDecl *Enum = ET->getDecl(); 43425471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 43435471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of an non-fixed enum type is always 'i', regardless of size. 43445471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (!Enum->isFixed()) 43455471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return 'i'; 43465471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 43475471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of a fixed enum type matches its fixed underlying type. 43485471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return ObjCEncodingForPrimitiveKind(C, Enum->getIntegerType()); 43495471bc85b69912e3b448de004498a80c0de32296Douglas Gregor} 43505471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 43514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 435264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 4353a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith assert(FD->isBitField() && "not a bitfield - getObjCEncodingForTypeImpl"); 43548b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 435564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 435664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 435764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 435864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 435964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 436064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 436164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 436264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 436364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 436464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 436564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 436664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 436764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 436864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 436964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 437064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 437164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 437264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 437382905749d5c8d8b4edec11de754a73349cb96603Eli Friedman S += llvm::utostr(RL.getFieldOffset(FD->getFieldIndex())); 43745471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) 43755471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(Ctx, ET); 4376c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 43774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 437864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 4379a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith S += llvm::utostr(FD->getBitWidthValue(*Ctx)); 43808b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 43818b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 438201eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 438382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 438482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 438582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4386153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4387090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 43882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool EncodingProperty, 4389dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool StructField, 4390dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool EncodeBlockParameters, 4391dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool EncodeClassNames) const { 439264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4393ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 439464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 439564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4396ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4397ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4399183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4400c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 44011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4402c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4403ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4404ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 440560bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4406aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4407aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 44086217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 44098d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 44108d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 44118d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 44128d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4413aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4414aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4415aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4416aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4417aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4418a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4419a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4420a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4421a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 44221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 44238e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4424a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4425a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4426a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4427a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 44289fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4429a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 44306217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 44316217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4432a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4433a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4434a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4435a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4436a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4437a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4438a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4439a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4440a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 44415f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(S).endswith("nr")) 44420237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4443a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 44441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 444585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 444685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 444785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4448e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 444985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 445085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 445185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 44526217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 44539533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 44549533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 44559533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 44569533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 44579533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 44589533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 44599533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 44609533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 44619533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 44629533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 44639533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 446485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 446585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4466a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4467a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 44681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 446943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4470ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4471ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4472aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4473ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4474ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4475ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 44762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (isa<IncompleteArrayType>(AT) && !StructField) { 4477559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4478559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4479559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 44801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4481559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4482559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4483559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 44841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 44862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (getTypeSize(CAT->getElementType()) == 0) 44872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '0'; 44882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis else 44892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += llvm::utostr(CAT->getSize().getZExtValue()); 44902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 4491559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 44922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert((isa<VariableArrayType>(AT) || isa<IncompleteArrayType>(AT)) && 44932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Unknown array type!"); 4494559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4495559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 44961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4498559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4499559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4500559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4501ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4502ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4504183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4505c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4506ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4507ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45096217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 451082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4511d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4512502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4513502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4514502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 45156fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 45166fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 45176fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 45186fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 45196fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4520910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4521910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 452230c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor (*this).getPrintingPolicy()); 45236fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 45246fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 45256fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4526502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4527502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4528502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 45290d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 45307d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 45312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->isUnion()) { 45322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(RDecl, S, FD); 45332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 45342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 45352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 45362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field) { 45372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 45382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 45392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += Field->getNameAsString(); 45402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 45412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Special case bit-fields. 45442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (Field->isBitField()) { 45452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 45462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis (*Field)); 45472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 45482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = Field->getType(); 45492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 45502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, 45512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FD, /*OutermostType*/false, 45522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 45532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 45542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 4555d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 45567d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 45576de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4558d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4559ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4560ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4561e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 45625471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) { 45638b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 456464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 45658b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 45665471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(this, ET); 4567ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4568ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4570dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (const BlockPointerType *BT = T->getAs<BlockPointerType>()) { 457121a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4572dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (EncodeBlockParameters) { 4573dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson const FunctionType *FT = BT->getPointeeType()->getAs<FunctionType>(); 4574dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson 4575dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson S += '<'; 4576dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Block return type 4577dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeImpl(FT->getResultType(), S, 4578dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson ExpandPointedToStructures, ExpandStructures, 4579dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson FD, 4580dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* OutermostType */, 4581dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodingProperty, 4582dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* StructField */, 4583dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeBlockParameters, 4584dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeClassNames); 4585dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Block self 4586dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson S += "@?"; 4587dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Block parameters 4588dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(FT)) { 4589dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson for (FunctionProtoType::arg_type_iterator I = FPT->arg_type_begin(), 4590dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson E = FPT->arg_type_end(); I && (I != E); ++I) { 4591dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeImpl(*I, S, 4592dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson ExpandPointedToStructures, 4593dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson ExpandStructures, 4594dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson FD, 4595dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* OutermostType */, 4596dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodingProperty, 4597dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* StructField */, 4598dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeBlockParameters, 4599dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeClassNames); 4600dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson } 4601dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson } 4602dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson S += '>'; 4603dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson } 4604ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4605ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4607c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4608c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4609c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4610c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 46110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 461243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 46130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 461443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 461543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 461643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 461743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 4618db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVector<const ObjCIvarDecl*, 32> Ivars; 46192c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 46202c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 4621db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose const FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 46222c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 46232c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 462443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 46252c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 462643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 462743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4628ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 462943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 46301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4631183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 463214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 463314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 463414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4635ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 463727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 463827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 463927d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 464027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 464114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 464214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4643ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4645ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 46461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 464714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 464814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 4649dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (FD || EncodingProperty || EncodeClassNames) { 465014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 465114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 465214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 465367ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 465467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 465514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 465614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 465714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 465814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 465914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 466014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 466114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4662ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4664ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4665ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4666ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4667ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 46681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4669ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4670ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 46711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 46721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4673ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 467414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 467514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4676ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4677ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 4678dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (OPT->getInterfaceDecl() && 4679dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson (FD || EncodingProperty || EncodeClassNames)) { 4680ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 468127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 468267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 468367ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4684ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4685ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4686ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 46871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4688ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4689ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4690ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4691ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4693532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4694532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4695532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4696532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4697e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4698e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4699e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4700e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4701e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4702e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4703e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4704e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4705b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("@encode for type not implemented!"); 470685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 470785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 47082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidisvoid ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl, 47092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string &S, 47102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const FieldDecl *FD, 47112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool includeVBases) const { 47122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(RDecl && "Expected non-null RecordDecl"); 47132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(!RDecl->isUnion() && "Should not be called for unions"); 47142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->getDefinition()) 47152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis return; 47162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(RDecl); 47182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *> FieldOrBaseOffsets; 47192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const ASTRecordLayout &layout = getASTRecordLayout(RDecl); 47202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 47222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 47232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->bases_begin(), 47242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->bases_end(); BI != BE; ++BI) { 47252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!BI->isVirtual()) { 47262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4727829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4728829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 47292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getBaseClassOffsetInBits(base); 47302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 47312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 47322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis unsigned i = 0; 47372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 47382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 47392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field, ++i) { 47402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getFieldOffset(i); 47412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 47422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, *Field)); 47432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec && includeVBases) { 47462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 47472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->vbases_begin(), 47482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->vbases_end(); BI != BE; ++BI) { 47492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4750829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4751829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 47522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getVBaseClassOffsetInBits(base); 475319aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis if (FieldOrBaseOffsets.find(offs) == FieldOrBaseOffsets.end()) 475419aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.end(), 475519aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis std::make_pair(offs, base)); 47562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CharUnits size; 47602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 47612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = includeVBases ? layout.getSize() : layout.getNonVirtualSize(); 47622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 47632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = layout.getSize(); 47642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t CurOffs = 0; 47672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *>::iterator 47682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurLayObj = FieldOrBaseOffsets.begin(); 47692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 4770cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis if ((CurLayObj != FieldOrBaseOffsets.end() && CurLayObj->first != 0) || 4771cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis (CurLayObj == FieldOrBaseOffsets.end() && 4772cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis CXXRec && CXXRec->isDynamicClass())) { 47732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CXXRec && CXXRec->isDynamicClass() && 47742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Offset 0 was empty but no VTable ?"); 47752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 47762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "\"_vptr$"; 47772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string recname = CXXRec->getNameAsString(); 47782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (recname.empty()) recname = "?"; 47792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += recname; 47802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 47812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "^^?"; 47832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(VoidPtrTy); 47842636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->hasFlexibleArrayMember()) { 47872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Mark the end of the structure. 47882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = toBits(size); 47892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 47902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, (NamedDecl*)0)); 47912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (; CurLayObj != FieldOrBaseOffsets.end(); ++CurLayObj) { 47942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CurOffs <= CurLayObj->first); 47952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurOffs < CurLayObj->first) { 47972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t padding = CurLayObj->first - CurOffs; 47982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // FIXME: There doesn't seem to be a way to indicate in the encoding that 47992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // packing/alignment of members is different that normal, in which case 48002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // the encoding will be out-of-sync with the real layout. 48012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // If the runtime switches to just consider the size of types without 48022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // taking into account alignment, we could make padding explicit in the 48032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // encoding (e.g. using arrays of chars). The encoding strings would be 48042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // longer then though. 48052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += padding; 48062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis NamedDecl *dcl = CurLayObj->second; 48092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (dcl == 0) 48102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis break; // reached end of structure. 48112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRecordDecl *base = dyn_cast<CXXRecordDecl>(dcl)) { 48132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // We expand the bases without their virtual bases since those are going 48142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // in the initial structure. Note that this differs from gcc which 48152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // expands virtual bases each time one is encountered in the hierarchy, 48162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // making the encoding type bigger than it really is. 48172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(base, S, FD, /*includeVBases*/false); 4818829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis assert(!base->isEmpty()); 4819829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis CurOffs += toBits(getASTRecordLayout(base).getNonVirtualSize()); 48202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 48212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldDecl *field = cast<FieldDecl>(dcl); 48222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 48232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 48242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += field->getNameAsString(); 48252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 48262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (field->isBitField()) { 48292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis EncodeBitField(this, S, field->getType(), field); 4830a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith CurOffs += field->getBitWidthValue(*this); 48312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 48322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = field->getType(); 48332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 48342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, FD, 48352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*OutermostType*/false, 48362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 48372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 48382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(field->getType()); 48392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis} 48432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4845ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4846ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4847ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4848ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4849ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4850ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4851ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4852ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4853ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4854ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4855ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4856ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4857ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4858ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4859ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4860ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4861b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 48621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4863b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4864b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4865b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 48664dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas GregorTypedefDecl *ASTContext::getObjCIdDecl() const { 48674dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor if (!ObjCIdDecl) { 48684dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor QualType T = getObjCObjectType(ObjCBuiltinIdTy, 0, 0); 48694dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor T = getObjCObjectPointerType(T); 48704dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor TypeSourceInfo *IdInfo = getTrivialTypeSourceInfo(T); 48714dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor ObjCIdDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 48724dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor getTranslationUnitDecl(), 48734dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor SourceLocation(), SourceLocation(), 48744dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor &Idents.get("id"), IdInfo); 48754dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor } 48764dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor 48774dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor return ObjCIdDecl; 48787e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 48797e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 48807a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas GregorTypedefDecl *ASTContext::getObjCSelDecl() const { 48817a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor if (!ObjCSelDecl) { 48827a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor QualType SelT = getPointerType(ObjCBuiltinSelTy); 48837a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor TypeSourceInfo *SelInfo = getTrivialTypeSourceInfo(SelT); 48847a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor ObjCSelDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 48857a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor getTranslationUnitDecl(), 48867a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor SourceLocation(), SourceLocation(), 48877a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor &Idents.get("SEL"), SelInfo); 48887a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor } 48897a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor return ObjCSelDecl; 4890b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4891b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4892ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4893a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4894390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4895390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 489679d6726921897811232554ed94c5d77b5b7b3fc0Douglas GregorTypedefDecl *ASTContext::getObjCClassDecl() const { 489779d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor if (!ObjCClassDecl) { 489879d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor QualType T = getObjCObjectType(ObjCBuiltinClassTy, 0, 0); 489979d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor T = getObjCObjectPointerType(T); 490079d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor TypeSourceInfo *ClassInfo = getTrivialTypeSourceInfo(T); 490179d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor ObjCClassDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 490279d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor getTranslationUnitDecl(), 490379d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor SourceLocation(), SourceLocation(), 490479d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor &Idents.get("Class"), ClassInfo); 490579d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor } 490679d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor 490779d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor return ObjCClassDecl; 49088baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 49098baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4910a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 49111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 49122198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 49131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4914a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 49152198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 49162198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 49170bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 49180bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 49194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 49204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 49214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 49220bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 49230bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 49247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49250bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 49260bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 49270bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 49280bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 49290bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4930eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 49310bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 49320bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 49330bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 49340bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 49350bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 49367532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 49377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49380bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 49397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 49407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4941d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4942d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 49434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 49444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 49454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 49464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 49470f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 49480f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4949789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4950d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4951d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 49521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4953d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4954d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 49550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4956d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4957d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4958d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4959d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 49601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4961d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4962d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4963d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 49647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 49657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 49664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 49674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 49684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 49691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 49703b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 49717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 49737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 49747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 49767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 49777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 49787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 49807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 49817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 49837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 49847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 49857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 49867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 49877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4988789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4989789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4990789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4991789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 49927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 49937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 49957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 49967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 49977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4998ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4999ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 5000ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 5001ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 50024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 5003ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 5004ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 5005ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5006ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 5007ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 5008ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5009ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 5010789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 5011789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 5012ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5013ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 5014ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 5015ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5016ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 5017ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 5018ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 5019ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 5020ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 5021ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 5022789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 5023789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 5024789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 5025789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 5026789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 5027ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 5028ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5029ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 5030ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 5031ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 5032ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 50331aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 5034146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallASTContext::getSubstTemplateTemplateParm(TemplateTemplateParmDecl *param, 5035146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateName replacement) const { 5036146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm::FoldingSetNodeID ID; 5037146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage::Profile(ID, param, replacement); 5038146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5039146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall void *insertPos = 0; 5040146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 5041146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = SubstTemplateTemplateParms.FindNodeOrInsertPos(ID, insertPos); 5042146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5043146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall if (!subst) { 5044146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall subst = new (*this) SubstTemplateTemplateParmStorage(param, replacement); 5045146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParms.InsertNode(subst, insertPos); 5046146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 5047146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5048146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return TemplateName(subst); 5049146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall} 5050146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5051146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallTemplateName 50521aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 50531aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 50541aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 50551aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 50561aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 50571aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 50581aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 50591aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 50601aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 50611aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 50621aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 5063146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall Subst = new (*this) SubstTemplateTemplateParmPackStorage(Param, 50641aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 50651aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 50661aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 50671aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 50681aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 50691aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 50701aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 50711aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 5072b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 5073d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 5074d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 5075e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 5076b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 5077e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 5078b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 5079b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 5080b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 5081b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 5082b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 5083b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 5084b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 5085b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 5086b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 5087b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 5088b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unhandled TargetInfo::IntType value"); 5089b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 5090b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 5091b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 5092b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 5093b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 5094b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 50954fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 50964fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 50974fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 5098ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 5099e289d81369914678db386f6aa86faf8f178e245dDouglas Gregor if (getLangOptions().getGC() == LangOptions::NonGC) 5100ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 5101ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 5102ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 5103ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 5104ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 5105ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 5106ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 5107ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 5108ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 5109ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 5110ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 5111ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 5112ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 5113ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 5114ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 5115ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 5116ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 5117ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 5118ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 5119ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 5120ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 5121ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 51224fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 5123b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 51244fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 51254fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 51266ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 51276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 51286ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 5129770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 51301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 51316ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 51326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 51336ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 5134467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 51356ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 513661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 51376ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 51386ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5139255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 5140255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 5141255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 5142255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 5143255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5144255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 5145255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 5146255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5147f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 5148f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 5149255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 5150255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 5151f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 5152255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 5153f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 5154f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 5155f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 5156f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 5157255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 5158255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5159255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 5160255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 5161255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 51624084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 51634084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 51644084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 51654084c306635b70f37029dca938444e6013f08684Steve Naroff 51664084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 51674084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 51684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 51694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 51704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 51714084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 517214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 51734084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 51744084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 51754084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 51764084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51774084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51784084c306635b70f37029dca938444e6013f08684Steve Naroff} 517914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 51804084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 51814084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 51824084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 51834084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 51844084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 51854084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 51864084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51874084c306635b70f37029dca938444e6013f08684Steve Naroff} 51884084c306635b70f37029dca938444e6013f08684Steve Naroff 5189a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 5190a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 5191a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 5192a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 5193a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 5194a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 5195a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 5196a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5197a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 5198a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 5199a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 5200a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 5201a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 5202a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 5203a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5204a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 5205a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 5206a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 5207a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5208a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5209a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 5210a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 5211a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5212a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 5213a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 5214a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 52154084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 52164084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 52174084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 52184084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 52194084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 52201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 52214084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 52224084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 52231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 52244084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 52254084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 52264084c306635b70f37029dca938444e6013f08684Steve Naroff 52274084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 5228183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 52291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52304084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 52311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52324084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 52331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 52344084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 52354084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 52364084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 52374084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 52384084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 52394084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 52404084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 52410fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 52424084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 52434084c306635b70f37029dca938444e6013f08684Steve Naroff } 52444084c306635b70f37029dca938444e6013f08684Steve Naroff } 52454084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 52464084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 52474084c306635b70f37029dca938444e6013f08684Steve Naroff } 52481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 52494084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 52504084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 52514084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 52524084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 5253de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 5254de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 5255de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 5256de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 52574084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 52584084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 52594084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 52604084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 52614084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 52624084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 52638f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 52648f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 5265de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 52661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 52674084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 52684084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 52694084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 52704084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 52714084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 52724084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 52734084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 52740fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 52754084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 52764084c306635b70f37029dca938444e6013f08684Steve Naroff break; 52774084c306635b70f37029dca938444e6013f08684Steve Naroff } 52784084c306635b70f37029dca938444e6013f08684Steve Naroff } 52794084c306635b70f37029dca938444e6013f08684Steve Naroff } 52804084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 5281de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 5282de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 52831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5284de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 5285de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 52861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52874084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 52884084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 52894084c306635b70f37029dca938444e6013f08684Steve Naroff 52901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 52914084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 5292de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 52934084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 52944084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 52954084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 52964084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 52974084c306635b70f37029dca938444e6013f08684Steve Naroff 5298de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 52994084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 53004084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 5301de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 5302de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 53034084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 53044084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 53054084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 53064084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 53074084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 53084084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 53094084c306635b70f37029dca938444e6013f08684Steve Naroff break; 53104084c306635b70f37029dca938444e6013f08684Steve Naroff } 53114084c306635b70f37029dca938444e6013f08684Steve Naroff } 53124084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 53134084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 53144084c306635b70f37029dca938444e6013f08684Steve Naroff } 5315de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 5316de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 5317de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 5318de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 5319de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5320de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 5321de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 5322de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 5323de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 5324de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 5325de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5326de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5327de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 5328de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 5329de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 5330de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 5331de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 5332de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 5333de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5334de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 5335de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 5336de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 5337de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 5338de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5339de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5340de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 5341de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5342de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5343de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 53444084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 53454084c306635b70f37029dca938444e6013f08684Steve Naroff } 53464084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 53474084c306635b70f37029dca938444e6013f08684Steve Naroff} 53484084c306635b70f37029dca938444e6013f08684Steve Naroff 53494084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 53504084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 53514084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 53524084c306635b70f37029dca938444e6013f08684Steve Naroff/// 53534084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 53544084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 5355c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5356c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5357c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 53584084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 5359c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 5360c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 53614084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 53624084c306635b70f37029dca938444e6013f08684Steve Naroff 5363c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 53641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 53651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 53664084c306635b70f37029dca938444e6013f08684Steve Naroff false); 5367a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5368a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 5369a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 5370a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 5371a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5372c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 5373c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 53744084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 53751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53764084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 537714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 537814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5379132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 5380fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// for providing type-safety for objective-c pointers used to pass/return 5381132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 5382132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 5383132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 5384132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 5385132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5386a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5387a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 5388a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 5389132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5390132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5391132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 5392132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 5393132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5394132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5395a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 5396132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 5397132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 5398132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 5399132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5400132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 5401132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 5402132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 5403132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 5404132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 5405a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 5406132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 5407a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 5408132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5409132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 5410132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5411132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5412132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 5413132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5414132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5415e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 5416e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 5417e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 5418e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 5419e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 5420e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 5421e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5422e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 54235f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 5424e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5425c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5426c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5427c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 5428c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 5429e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5430e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 5431e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 5432e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 5433e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 5434e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5435432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5436c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 5437c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 5438e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 5439e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 5440e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5441e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5442e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 5443e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 5444cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 5445cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 5446e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 5447e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 5448e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 54493060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 5450432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 5451c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 5452c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 5453432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5454432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 5455432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 5456432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 5457432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 5458e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5459e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 5460e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5461db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 5462db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 5463db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 5464db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 5465db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 5466c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 5467c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 5468c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 5469c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 5470c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 5471c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 547260ef308e51c71b760d7f598c1b763ceb7b768148Douglas Gregor if (!LDecl || !RDecl || (declaresSameEntity(LDecl, RDecl))) 5473db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5474db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 54757c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian do { 5476c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 5477e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 54785f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl *, 8> Protocols; 5479c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 5480c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5481c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 5482c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 5483c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 5484c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 5485c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 5486e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 54877c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian } while ((LDecl = LDecl->getSuperClass())); 5488db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5489db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5490db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 5491db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5492c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 5493c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 5494c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 5495c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 5496c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 54976ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 54986ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 5499c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 55006ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 55011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55026ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 55036ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 5504c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 55056ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 55061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5507b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5508b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5509b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5510b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5511b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5512b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5513627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5514627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5515627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5516b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5517b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5518b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5519b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5520b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5521627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5522b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5523b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5524b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5525b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5526b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5527b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5528b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5529b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5530b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5531b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5532b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5533b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5534b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5535b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5536b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5537b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5538b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5539b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5540b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5541b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5542b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5543b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5544b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5545b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5546b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5547b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 55481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5549c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5550c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 555191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 555291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 555391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 555491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 555591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5556c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5557c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 55588f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 55598f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 556091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 55618f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 55628f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 556391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 556491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 556591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 556691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 556791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 556891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 556991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 55706ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 55716ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5572389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5573389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5574183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5575183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 55761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 557714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5578389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 557914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 558014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 558114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5582389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5583389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5584569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5585569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5586569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5587569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5588569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5589569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 55901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5591ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 55921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5593ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5594447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5595447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 55960e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 55970e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 55980e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5599447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 56003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 56013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5602c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanianbool ASTContext::propertyTypesAreCompatible(QualType LHS, QualType RHS) { 560382378391dfc3b2fc22f63dbf1552bd9aed39dc42Fariborz Jahanian return typesAreCompatible(LHS, RHS); 5604c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian} 5605c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian 5606132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5607132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5608132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5609132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 56104846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 56114846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 56124846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 56134846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 56144846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 56154846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 56164846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 56174846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 56184846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 56194846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 56204846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5621f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 56224846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 56234846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 56244846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 56254846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 56264846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 56274846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 56284846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 56294846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 56304846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 56314846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 56324846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 56334846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 56344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 56354846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 56364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 56374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 56384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 56394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 56404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 56414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 56424846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 56434846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 56444846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 56454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 56464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 56474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 56484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 56494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 56504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 56514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 56524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5653132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5654447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5655447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5656183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5657183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 565872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 565972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 56603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 56613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 56623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5664132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5665d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5666d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5667d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5668d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5669d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5670d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5671a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 5672d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5673132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 56748cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 56758cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 56763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5677447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5678447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5679447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5680447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5681447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5682447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5683447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5684447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5685447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5686447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5687447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5688447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 568961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5690447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 569161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 56928cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 56936a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 56946a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 56956a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 56966a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5697264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5698264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 56998cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 57008cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 57018cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 57028cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 57038cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 57048cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 5705a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 5706a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 57078cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 57088cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 57098cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 5710f85e193739c953358c865005855253af4f68a497John McCall if (lbaseInfo.getProducesResult() != rbaseInfo.getProducesResult()) 5711f85e193739c953358c865005855253af4f68a497John McCall return QualType(); 5712f85e193739c953358c865005855253af4f68a497John McCall 571353c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian // functypes which return are preferred over those that do not. 571453c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian if (lbaseInfo.getNoReturn() && !rbaseInfo.getNoReturn()) 57156a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 571653c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian else if (!lbaseInfo.getNoReturn() && rbaseInfo.getNoReturn()) 57176a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 571853c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 571953c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 57201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5721f85e193739c953358c865005855253af4f68a497John McCall FunctionType::ExtInfo einfo = lbaseInfo.withNoReturn(NoReturn); 5722e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 57233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5724465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5725465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 57263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 57273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 57283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 57303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 57313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 57343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 57353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57377fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 57387fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 57397fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 574078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (LangOpts.ObjCAutoRefCount && 574178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian !FunctionTypesMatchOnNSConsumedAttrs(rproto, lproto)) 574278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return QualType(); 574378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 57443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 57455f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 10> types; 57463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 57473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 57483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 57494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 57504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 57514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 57523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5753447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5754447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5755447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5756447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 57573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5758447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5759447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5760447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5761447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5762447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 576361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 576461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 576561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 576661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 57673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 576878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 57693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 57703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5771e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5772e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5773e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5774e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 57753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 57763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 57783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 57793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 578072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 57813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5782465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 57833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 57843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 57853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 57863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 57873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 57883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 57893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 57903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 57913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5792b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5793b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5794b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5795b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5796b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5797b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 57983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 57993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 58003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 58043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5805e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5806e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5807e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 58083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5809e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 58103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 58133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 58148cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 58153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 58163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5817132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5818447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5819a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 582043d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 582143d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 582243d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 58237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 58247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 58250e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 58260e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5827447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5828447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5829447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5830447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5831447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 58320e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 58333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 58343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 58353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5836f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 58373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 58383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 58393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5841a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5842a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 58430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 58440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 58450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 58460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 5847f85e193739c953358c865005855253af4f68a497John McCall LQuals.getAddressSpace() != RQuals.getAddressSpace() || 5848f85e193739c953358c865005855253af4f68a497John McCall LQuals.getObjCLifetime() != RQuals.getObjCLifetime()) 58490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 58500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 58520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 58530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 58540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 58550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 58560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 58570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 58580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 58590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 58610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 58620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 58640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 58650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 58660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 58670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 58680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 58693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 58710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 58733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5874852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5875852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5876f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 58771adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 58781adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 58791adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 58801adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 58814c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 58824c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5883a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5884a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5885a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5886a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 58871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5888c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5889c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5890c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5891c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5892213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5893213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5894213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 58951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58964e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 58974e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 58981adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 58991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5900842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5901842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5902183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 59033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 59043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5905bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5906183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 59073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 59083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5909bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 59101adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 59113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5912ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 59133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 59144a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 59151adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 591672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 591772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5918ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 591972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 592072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 592172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 5922b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Non-canonical and dependent types shouldn't get here"); 592372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 59247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 59257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 592672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 5927b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("C++ should never be in mergeTypes"); 592872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5929c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 593072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 593172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 593272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 593372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 5934b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Types are eliminated above"); 593572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 59361adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 59373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 59383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 59396217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 59406217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5941447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5942447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5943447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5944447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5945447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5946447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 59473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 594807d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 594961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 595007d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 595161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 59523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 59533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5954c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5955c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5956c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 59576217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 59586217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5959447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5960447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5961447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5962447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5963447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5964447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5965c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5966c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5967c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5968c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5969c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5970c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5971c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 5972b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: 5973b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman { 5974b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Merge two pointer types, while trying to preserve typedef info 5975b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType LHSValue = LHS->getAs<AtomicType>()->getValueType(); 5976b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType RHSValue = RHS->getAs<AtomicType>()->getValueType(); 5977b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (Unqualified) { 5978b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman LHSValue = LHSValue.getUnqualifiedType(); 5979b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman RHSValue = RHSValue.getUnqualifiedType(); 5980b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 5981b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType ResultType = mergeTypes(LHSValue, RHSValue, false, 5982b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Unqualified); 5983b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (ResultType.isNull()) return QualType(); 5984b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (getCanonicalType(LHSValue) == getCanonicalType(ResultType)) 5985b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return LHS; 5986b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (getCanonicalType(RHSValue) == getCanonicalType(ResultType)) 5987b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return RHS; 5988b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return getAtomicType(ResultType); 5989b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 59901adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 59913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 59923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 59933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 59943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 59953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 59963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 59973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 59983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5999447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 6000447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 6001447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 6002447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 6003447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 6004447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 60053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 600661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 600761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 600861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 600961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 60103bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 60113bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 60123bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 60133bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 60143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 60153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 601661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 601761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 601861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 601961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 60203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 60213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 60223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 60233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 60243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 60253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 60263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 60273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 60283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 60293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 60303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 60313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 60323bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 60333bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 60347e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 60357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 60363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 60371adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 6038447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 603972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 604072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 60413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 60421adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 60433cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 60443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 604564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 604664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 604764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 60483cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 60495a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 60501c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 60511c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 60523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 605361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 6054c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 6055c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 60565a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 60575a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 6058c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 6059c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 6060c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 60615fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 60625fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 60633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 606461490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 606514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 6066132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 6067132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 6068132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 6069a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 6070a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 6071132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 6072132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 6073132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 6074183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 6075183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 607614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 607714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 6078bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 6079132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 6080ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 608172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 608272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 6083ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 60847192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 608578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanianbool ASTContext::FunctionTypesMatchOnNSConsumedAttrs( 608678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian const FunctionProtoType *FromFunctionType, 608778213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian const FunctionProtoType *ToFunctionType) { 608878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromFunctionType->hasAnyConsumedArgs() != 608978213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToFunctionType->hasAnyConsumedArgs()) 609078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return false; 609178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FunctionProtoType::ExtProtoInfo FromEPI = 609278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FromFunctionType->getExtProtoInfo(); 609378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FunctionProtoType::ExtProtoInfo ToEPI = 609478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToFunctionType->getExtProtoInfo(); 609578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromEPI.ConsumedArguments && ToEPI.ConsumedArguments) 609678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian for (unsigned ArgIdx = 0, NumArgs = FromFunctionType->getNumArgs(); 609778213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ArgIdx != NumArgs; ++ArgIdx) { 609878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromEPI.ConsumedArguments[ArgIdx] != 609978213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToEPI.ConsumedArguments[ArgIdx]) 610078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return false; 610178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian } 610278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return true; 610378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian} 610478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 61052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 61062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 61072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 61082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 61092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 61102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 61112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 61122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 61132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 61142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 61152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 61162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 61182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 61192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 61202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 61212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 61222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 61232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 61242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 61262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 61272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 61282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 61292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 6130e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 6131e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 61322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 61332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 6134e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 61352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 61362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 61372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 61382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 61402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 61422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 61432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 61442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 61452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 61462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 61472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 61482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 61512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 61522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 61532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 61542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 61552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 61562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 61572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 61582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 61602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 61632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 61642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 61652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 61662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 61682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 61702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 61712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 61722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 61732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 61742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 61752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 61762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 61772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 61782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 61802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61815426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 6182ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 6183ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 618488054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 61854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 6186f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 618729a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 61881274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 61891274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 6190f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 6191ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 6192ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6193ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 6194ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 6195f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 61966a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 61976a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 61986a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 61996a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 6200e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 62016a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 62026a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 62036a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 6204ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 62056a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 62066a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 62076a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 6208ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 6209ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 6210ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 6211ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 6212ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 6213ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 6214ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 6215ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 6216ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 6217ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 6218ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 6219ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 62202df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 62212df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 6222ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 6223b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unexpected signed integer type"); 6224ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 6225ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6226ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 62277b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 62287b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 622986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 623086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 623186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 623286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 623386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 623486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 623533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 623633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 623733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 623833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 623914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 624014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 624114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 62424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 624386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 624414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 624533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 624686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 624786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 624886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 624914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 6250393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 625133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 625286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 625386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 625486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 62551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 6256393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 625714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 6258393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 625986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 626086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 626186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 626286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 626386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 626486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 626586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 626686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 626786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 626886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 626986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 627086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 627186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 627286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 627386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 627486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 627586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 627686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 62771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 627886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 627986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 6280b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown builtin type letter!"); 628186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 628286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 628386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 628486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 628586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 628686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 628786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 628886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 628986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 629086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 629186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 629286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 629386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 629486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 629586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 629686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 629786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 629886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 629986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 630086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 630186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 630286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 630386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 630486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 630586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 630686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 630786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 630886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 630986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 631086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 631186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 631286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 631386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 631486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 631586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 631686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 631786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 631886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 631986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 632086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 632186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 632286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 632386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 632486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 632586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 632686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 632786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 632886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 632986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 633086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 633186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 633286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 633386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 633486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 633586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 6336ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 6337ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 6338ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 6339ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 6340ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 6341ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 634286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 634386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 634486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 634586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 634686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 634786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 634886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 634986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 635086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 635186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 635286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 635386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 635486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 635586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 635686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 635714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 635886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 635914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 636086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 636186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 636286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 636386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 636486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 636586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 636686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 63671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 636814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 636914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 637014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 637133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 637233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 6373788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 6374e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 637586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 637686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6377d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 637814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 637914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 638014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 6381d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 6382d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 6383cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 6384cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian case 'Y' : { 6385cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian Type = Context.getPointerDiffType(); 6386cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian break; 6387cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 63889a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 6389c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 6390c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 6391f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 639286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 639386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6394fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 63959a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 6396f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 6397782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 6398f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 6399f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 6400f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 6401fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 6402f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 6403fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 6404fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6405fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 6406e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola case 'K': 6407e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'K'!"); 6408e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola Type = Context.getucontext_tType(); 6409e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola 6410e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola if (Type.isNull()) { 6411e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola Error = ASTContext::GE_Missing_ucontext; 6412e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola return QualType(); 6413e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola } 6414e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola break; 6415782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 64161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 641733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 641833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 641986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 6420187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 642133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 642233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 642333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 642433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 642533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 642633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 642733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 642833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 642933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 643033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 643133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 643233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 643333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 643433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 643533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 643633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 643733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 643833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 643933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 644033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 644133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 644233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 644333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 644433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 644586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 644686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6447393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 644814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 6449393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 64501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 645186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 645286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 645386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 645486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 645533daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 645614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 64574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 645833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 64591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 64605f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 8> ArgTypes; 64611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 646214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 646386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 646414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 646514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 646686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 646786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 646814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 646914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 647014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 647186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 647214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 647386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 647486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 647586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 647614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 647714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 647814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 647914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 648014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 648186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 648286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 648386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 64841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 648586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 648686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 648786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 648886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 648986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 649086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 649100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 649200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 649300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 649400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 649500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 649600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 649700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 649800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 6499ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 6500e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 650100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 650200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 6503e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6504e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 650586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 6506a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 650790e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 650890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 650990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 651090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 651190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 651290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 651390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 651490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 651590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 651690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 651790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 651890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 651990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 652090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 652190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 652290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 652390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 652490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 652590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 652690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 652790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 652890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 652990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 653090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 653190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 653290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 653390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 653490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 653590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 653690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 653790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 653890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 653990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 654090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 654190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 654290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 654390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 654490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 654590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 654690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 654790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 654890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 654990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 655090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 655190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 655290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 655390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 655490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 655590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 655690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 655790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 655890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 655990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 656090e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 656190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 656290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 656390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 656490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 656590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 656690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 656790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 656890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 656990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 657090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 657190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 657290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 657390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 657490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 657590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 657690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 657790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 657890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 657990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 658090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 658190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 658290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 658390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 658490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 658590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 658690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 658790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 658890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 658990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 659090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 659190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 659290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 659390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 659490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 659590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 659690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 659790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 659890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 659990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 66004ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 660190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 660290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 660390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 6604144b38a7995cbe0928e34fbcc865bb2d2be4f7a3Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 660590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 660690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6607ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6608ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6609ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6610ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 661190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 661290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 661390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 661490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 661590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 661690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 661710620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt if (!FD->doesThisDeclarationHaveABody()) 6618dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return FD->doesDeclarationForceExternallyVisibleDefinition(); 661990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 662090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 662190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 662290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 662390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 662490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 662590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 662690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 662790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 662890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 662990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 663090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 663190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 663290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 663390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 663490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 663590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 663690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 663790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 663890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 663990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 664090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 664190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 664290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 664390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 664494da1587f7d584fc61df793229d197969f204cd9Douglas Gregor 664590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 664690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 664790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6648ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6649ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6650ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 665190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 665290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 665390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 6654023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt // FIXME: Be more selective about which constructors we care about. 665590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 665690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6657023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() && 6658023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialCopyConstructor() && 6659023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialMoveConstructor() && 6660023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialDestructor())) 666190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 666290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 666390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 666490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 666590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 666690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 666790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 666890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 666990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 667090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 667190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 667290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6673071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6674ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6675ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6676ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6677ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6678ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 66794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6680dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6681dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6682dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6683dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 668414110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 6685bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor switch (Target->getCXXABI()) { 668614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 668714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 668814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 668914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 669014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 669114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 6692b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unsupported ABI"); 669314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 669414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6695071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6696ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6697ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremeneksize_t ASTContext::getSideTableAllocatedMemory() const { 66980c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek return ASTRecordLayouts.getMemorySize() 66990c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCLayouts) 67000c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(KeyFunctions) 67010c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCImpls) 67020c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(BlockVarCopyInits) 67030c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(DeclAttrs) 67040c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromStaticDataMember) 67050c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingDecl) 67060c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingShadowDecl) 67070c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUnnamedFieldDecl) 67080c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(OverriddenMethods) 67090c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(Types) 6710af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet + llvm::capacity_in_bytes(VariableArrayTypes) 67110d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet + llvm::capacity_in_bytes(ClassScopeSpecializationPattern); 6712ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek} 6713d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 6714d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekvoid ASTContext::setParameterIndex(const ParmVarDecl *D, unsigned int index) { 6715d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek ParamIndices[D] = index; 6716d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 6717d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 6718d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekunsigned ASTContext::getParameterIndex(const ParmVarDecl *D) const { 6719d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek ParameterIndexTable::const_iterator I = ParamIndices.find(D); 6720d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek assert(I != ParamIndices.end() && 6721d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek "ParmIndices lacks entry set by ParmVarDecl"); 6722d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek return I->second; 6723d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 6724