ASTContext.cpp revision 0d4cb85130d91da61c45aecb9fd31c7097a7cfcc
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()); 779e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman ID.AddPointer(NTTP->getType().getCanonicalType().getAsOpaquePtr()); 786952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 796952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(true); 806952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddInteger(NTTP->getNumExpansionTypes()); 819e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 829e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman QualType T = NTTP->getExpansionType(I); 839e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman ID.AddPointer(T.getCanonicalType().getAsOpaquePtr()); 849e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman } 856952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 866952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(false); 873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 903e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); 913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(2); 923e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Profile(ID, TTP); 933e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 943e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 953e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 963e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorTemplateTemplateParmDecl * 973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::getCanonicalTemplateTemplateParmDecl( 984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateTemplateParmDecl *TTP) const { 993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Check if we already have a canonical template template parameter. 1003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSetNodeID ID; 1013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm::Profile(ID, TTP); 1023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void *InsertPos = 0; 1033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm *Canonical 1043e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (Canonical) 1063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return Canonical->getParam(); 1073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1083e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Build a canonical template parameter list. 1093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = TTP->getTemplateParameters(); 1105f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<NamedDecl *, 4> CanonParams; 1113e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.reserve(Params->size()); 1123e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 1153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) 1163e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1173e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTypeParmDecl::Create(*this, getTranslationUnitDecl(), 118344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 119344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 120344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara TTP->getDepth(), 1213e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 1223e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 1233e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 1246952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 1256952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor QualType T = getCanonicalType(NTTP->getType()); 1266952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(T); 1276952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NonTypeTemplateParmDecl *Param; 1286952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 1295f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 2> ExpandedTypes; 1305f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TypeSourceInfo *, 2> ExpandedTInfos; 1316952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 1326952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.push_back(getCanonicalType(NTTP->getExpansionType(I))); 1336952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.push_back( 1346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTrivialTypeSourceInfo(ExpandedTypes.back())); 1356952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1366952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1376952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 138ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 139ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 1406952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1416952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1426952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1436952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo, 1446952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.data(), 1456952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.size(), 1466952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.data()); 1476952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else { 1486952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 149ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 150ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 1516952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1526952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1536952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1546952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->isParameterPack(), 1556952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo); 1566952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1576952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor CanonParams.push_back(Param); 1586952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1596952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 1603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 16761c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->getPosition(), 16861c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->isParameterPack(), 16961c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor 0, 1703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1783e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1823e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1833e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1843e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1863e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 187071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 188ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 189ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 19020cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 191ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 192ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 193ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 194071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 19520cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 19620cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 19720cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 1987530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie llvm_unreachable("Invalid CXXABI type!"); 199071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 200071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 201bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregorstatic const LangAS::Map *getAddressSpaceMap(const TargetInfo &T, 202207f4d8543529221932af82836016a2ef066c917Peter Collingbourne const LangOptions &LOpts) { 203207f4d8543529221932af82836016a2ef066c917Peter Collingbourne if (LOpts.FakeAddressSpaceMap) { 204207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // The fake address space map must have a distinct entry for each 205207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // language-specific address space. 206207f4d8543529221932af82836016a2ef066c917Peter Collingbourne static const unsigned FakeAddrSpaceMap[] = { 207207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 1, // opencl_global 208207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 2, // opencl_local 209207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 3 // opencl_constant 210207f4d8543529221932af82836016a2ef066c917Peter Collingbourne }; 211bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return &FakeAddrSpaceMap; 212207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } else { 213bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return &T.getAddressSpaceMap(); 214207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } 215207f4d8543529221932af82836016a2ef066c917Peter Collingbourne} 216207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 2173e3cd93b2fd9644e970c389e715c13883faf68b6Douglas GregorASTContext::ASTContext(LangOptions& LOpts, SourceManager &SM, 218bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor const TargetInfo *t, 219e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 2201b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 221bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned size_reserve, 222bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor bool DelayInitialization) 223bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor : FunctionProtoTypes(this_()), 224bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor TemplateSpecializationTypes(this_()), 225bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor DependentTemplateSpecializationTypes(this_()), 226bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor SubstTemplateTemplateParmPacks(this_()), 227bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor GlobalNestedNameSpecifier(0), 228bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Int128Decl(0), UInt128Decl(0), 229a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor ObjCIdDecl(0), ObjCSelDecl(0), ObjCClassDecl(0), ObjCProtocolClassDecl(0), 230e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor CFConstantStringTypeDecl(0), ObjCInstanceTypeDecl(0), 231bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor FILEDecl(0), 232e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola jmp_bufDecl(0), sigjmp_bufDecl(0), ucontext_tDecl(0), 233e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola BlockDescriptorType(0), BlockDescriptorExtendedType(0), 234e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola cudaConfigureCallDecl(0), 235e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor NullTypeSourceInfo(QualType()), 236e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor FirstLocalImport(), LastLocalImport(), 237bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor SourceMgr(SM), LangOpts(LOpts), 23830c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor AddrSpaceMap(0), Target(t), PrintingPolicy(LOpts), 239bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Idents(idents), Selectors(sels), 240bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor BuiltinInfo(builtins), 241bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor DeclarationNames(*this), 24230c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor ExternalSource(0), Listener(0), 243bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor LastSDM(0, 0), 244bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor UniqueBlockByRefTypeID(0) 245bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor{ 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 247e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 248bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 249bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor if (!DelayInitialization) { 250bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor assert(t && "No target supplied for ASTContext initialization"); 251bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor InitBuiltinTypes(*t); 252bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor } 253e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 254e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2563478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2573478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2583478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 26063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 26163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 26263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2630054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 264dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 26563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 26663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 26763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 26863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 26963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 27063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 27163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 27263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 273dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 274dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 275dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 276dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 277dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 278dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2796320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2806320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2816320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2826320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2836320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2846320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 285ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2860054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2870054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2880054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2890054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2916f42b62b6194f53bcbc349f5d17388e1936535d7Dylan NoblesmithASTContext::setExternalSource(OwningPtr<ExternalASTSource> &Source) { 2922cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2932cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2942cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 296cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n*** AST Context Stats:\n"; 297cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << Types.size() << " types total.\n"; 2987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 299dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 301dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 302dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 303dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 304dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 305c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 308dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 311dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 312dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 313dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 314dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 315cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << counts[Idx] << " " << #Name \ 316cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " types\n"; \ 317dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 318dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 319dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 320dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 3211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 322cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "Total bytes = " << TotalBytes << "\n"; 323cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3244923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 325cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDefaultConstructorsDeclared << "/" 326cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDefaultConstructors 327cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit default constructors created\n"; 328cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyConstructorsDeclared << "/" 329cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyConstructors 330cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy constructors created\n"; 3314e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) 332cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveConstructorsDeclared << "/" 333cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveConstructors 334cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move constructors created\n"; 335cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyAssignmentOperatorsDeclared << "/" 336cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyAssignmentOperators 337cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy assignment operators created\n"; 3384e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) 339cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveAssignmentOperatorsDeclared << "/" 340cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveAssignmentOperators 341cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move assignment operators created\n"; 342cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDestructorsDeclared << "/" 343cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDestructors 344cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit destructors created\n"; 345cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3462cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 347cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n"; 3482cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3492cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 350cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 35163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 354772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getInt128Decl() const { 355772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!Int128Decl) { 356772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(Int128Ty); 357772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor Int128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 358772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 359772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 360772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 361772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__int128_t"), 362772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 363772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 364772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 365772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return Int128Decl; 366772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 367772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 368772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getUInt128Decl() const { 369772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!UInt128Decl) { 370772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(UnsignedInt128Ty); 371772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor UInt128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 372772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 373772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 374772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 375772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__uint128_t"), 376772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 377772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 378772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 379772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return UInt128Decl; 380772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 382e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 384e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 388bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregorvoid ASTContext::InitBuiltinTypes(const TargetInfo &Target) { 389bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor assert((!this->Target || this->Target == &Target) && 390bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor "Incorrect target reinitialization"); 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 393bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor this->Target = &Target; 394bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 395bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ABI.reset(createCXXABI(Target)); 396bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor AddrSpaceMap = getAddressSpaceMap(Target, LangOpts); 397bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 4001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 40415b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 4141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 42664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 4272df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 4282df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 4292df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 4302df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 4313f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 432d3d77cd138f8e830f6547b6f83fcd5721ccf5f5dEli Friedman if (TargetInfo::isTypeSigned(Target.getWCharType())) 4333f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 4343f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 4353f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 4363f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 4373a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 43864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 439f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 440f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 441f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 442f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 443f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 444f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 445f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 446f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 447f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 448f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 449898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 450898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 451898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 452898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 453898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 454898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 4558e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4562a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 4572a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 4582a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 459864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // Placeholder type for bound members. 460864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall InitBuiltinType(BoundMemberTy, BuiltinType::BoundMember); 461864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4623c3b7f90a863af43fa63043d396553ecf205351cJohn McCall // Placeholder type for pseudo-objects. 4633c3b7f90a863af43fa63043d396553ecf205351cJohn McCall InitBuiltinType(PseudoObjectTy, BuiltinType::PseudoObject); 4643c3b7f90a863af43fa63043d396553ecf205351cJohn McCall 4651de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 4661de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 4671de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 4680ddaeb9b031070ec64afe92d9892875ac44df427John McCall // Placeholder type for unbridged ARC casts. 4690ddaeb9b031070ec64afe92d9892875ac44df427John McCall InitBuiltinType(ARCUnbridgedCastTy, BuiltinType::ARCUnbridgedCast); 4700ddaeb9b031070ec64afe92d9892875ac44df427John McCall 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 4758e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4767e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 479de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 480de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 48113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 482ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 483ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Builtin type for __objc_yes and __objc_no 484ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek ObjCBuiltinBoolTy = SignedCharTy; 485ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 486a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 48933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4906e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4916e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4926e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 493aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov 494aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov // half type (OpenCL 6.1.1.1) / ARM NEON __fp16 495aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov InitBuiltinType(HalfTy, BuiltinType::Half); 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 498d6471f7c1921c7802804ce3ff6fe9768310f72b9David BlaikieDiagnosticsEngine &ASTContext::getDiagnostics() const { 49978a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 50078a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 50178a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 5026320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 5036320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 5046320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 5056320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 5066320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 5076320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 5086320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 5096320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 5106320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 5116320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 5126320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 5136320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 5146320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 5156320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 5166320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 5176320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 5186320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 5196320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 5206320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 521251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 522663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 5237caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 524663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 5257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 5267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 5277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 5307caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5317caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 533251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 5349421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 5359421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 5367caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 5377caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 5387caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 5397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 540251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 5419421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 5427caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5437caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 544af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois PichetFunctionDecl *ASTContext::getClassScopeSpecializationPattern( 545af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet const FunctionDecl *FD){ 546af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 547af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet llvm::DenseMap<const FunctionDecl*, FunctionDecl *>::const_iterator Pos 5480d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet = ClassScopeSpecializationPattern.find(FD); 5490d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet if (Pos == ClassScopeSpecializationPattern.end()) 550af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return 0; 551af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 552af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return Pos->second; 553af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 554af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 555af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichetvoid ASTContext::setClassScopeSpecializationPattern(FunctionDecl *FD, 556af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet FunctionDecl *Pattern) { 557af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 558af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(Pattern && "Class scope specialization pattern is 0"); 5590d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet ClassScopeSpecializationPattern[FD] = Pattern; 560af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 561af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 5627ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 563ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 5647ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 565ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 566ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 5670d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 5681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5690d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 5700d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5710d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 5720d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 573ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 574ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 575ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 576ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 577ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 578ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 579ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 580ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 581ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 582ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 583ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 584ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 585ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 586ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 587ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 588ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 589ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 590ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 591ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 592ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 593ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 594ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 595ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 596ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 5970d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5980d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 599d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 600d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 601d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 602d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 603d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 605d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 606d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 607d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 608d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 609d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 610d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 611d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 612d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 613d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 615d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 616d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 617d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 61814d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanianbool ASTContext::ZeroBitfieldFollowsNonBitfield(const FieldDecl *FD, 61914d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian const FieldDecl *LastFD) const { 62014d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 621a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) == 0); 62214d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian} 62314d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 624340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanianbool ASTContext::ZeroBitfieldFollowsBitfield(const FieldDecl *FD, 625340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian const FieldDecl *LastFD) const { 626340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 627a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) == 0 && 628a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this) != 0); 629340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian} 630340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 6319b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanianbool ASTContext::BitfieldFollowsBitfield(const FieldDecl *FD, 6329b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian const FieldDecl *LastFD) const { 6339b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 634a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) && 635a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this)); 6369b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian} 6379b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian 638dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::NonBitfieldFollowsBitfield(const FieldDecl *FD, 63952bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 64052bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (!FD->isBitField() && LastFD && LastFD->isBitField() && 641a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this)); 64252bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 64352bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 644dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::BitfieldFollowsNonBitfield(const FieldDecl *FD, 64552bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 64652bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 647a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this)); 64852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 64952bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 6507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 6527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 6587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 6627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 6687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 670c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 671c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 672c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 673c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 674c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 675c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 676c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 677c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 678c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 679c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 6807d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 6817d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 6827d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 6837d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6847d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 685e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregorvoid ASTContext::addedLocalImportDecl(ImportDecl *Import) { 686e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor assert(!Import->NextLocalImport && "Import declaration already in the chain"); 687e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor assert(!Import->isFromASTFile() && "Non-local import declaration"); 688e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor if (!FirstLocalImport) { 689e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor FirstLocalImport = Import; 690e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor LastLocalImport = Import; 691e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor return; 692e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor } 693e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor 694e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor LastLocalImport->NextLocalImport = Import; 695e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor LastLocalImport = Import; 696e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor} 697e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor 698464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 699464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 700464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 701a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 702b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 703b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 704b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 705183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 706b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 707b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 708b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Not a floating point type!"); 709aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: return Target->getHalfFormat(); 710bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Float: return Target->getFloatFormat(); 711bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Double: return Target->getDoubleFormat(); 712bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::LongDouble: return Target->getLongDoubleFormat(); 713b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 714b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 715b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 7168b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 717af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 718af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 7195d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 7205d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 7214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 722bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned Align = Target->getCharWidth(); 723dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 7244081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 7254081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 7264081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 7274081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 7284081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 7294081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 7304081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 7314081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 73282d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne // It is an error for alignas to decrease alignment, so we can 7334081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 7344081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 7354081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 7364081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 7374081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 7384081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 7394081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 7404081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 74178a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian else if (isa<FieldDecl>(D)) 74278a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian UseAlignAttrOnly = 74378a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian D->hasAttr<PackedAttr>() || 74478a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 745dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 746ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 747ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 7484081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 749ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 750ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 7514081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 752af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 7536217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 7545d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 7555d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 7565d484e8cf710207010720589d89602233de61d01Sebastian Redl else 7575d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 7585d484e8cf710207010720589d89602233de61d01Sebastian Redl } 7595d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 7603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 7613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 762bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned MinWidth = Target->getLargeArrayMinWidth(); 7633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 7643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 7653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 766bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 7673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 7683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 769bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 7703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 7713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 7723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 7736deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 7749f1210c3280104417a4ad30f0a00825ac8fa718aChad Rosier Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 775dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 776ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 777ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 778ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 779ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 780ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 781ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 782ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 783ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 784ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 785ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 786ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 787dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 788ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 789ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 790ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 791ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 792ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 793ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 794ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 795ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 796ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 797ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 798ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 799ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 80005f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 801af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 802dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 803eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 804af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 805b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 806ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 807bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 808ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 809eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 810eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 811ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 812ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 813ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 814bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 815ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 816ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 817ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 818bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbarstd::pair<uint64_t, unsigned> ASTContext::getTypeInfo(const Type *T) const { 819bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar TypeInfoMap::iterator it = MemoizedTypeInfo.find(T); 820bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar if (it != MemoizedTypeInfo.end()) 821bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar return it->second; 822bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar 823bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar std::pair<uint64_t, unsigned> Info = getTypeInfoImpl(T); 824bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar MemoizedTypeInfo.insert(std::make_pair(T, Info)); 825bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar return Info; 826bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar} 827bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar 828bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar/// getTypeInfoImpl - Return the size of the specified type, in bits. This 829bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar/// method does not work on incomplete types. 8300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 8310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 8320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 8330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 834d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 835bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel DunbarASTContext::getTypeInfoImpl(const Type *T) const { 8365e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 8375e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 838a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 83972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 84072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 84118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 84272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 84372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 844d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("Should not see dependent types"); 84572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 8465d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 8475d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 84818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 84918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 85018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 85118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 85218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 85372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 854fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 85518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 85618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 85718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 85818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 859fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 8601d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 8611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 86298be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 863fea966a4103ed9c018d1494b95e9d09b161f5a70Abramo Bagnara uint64_t Size = CAT->getSize().getZExtValue(); 864bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar assert((Size == 0 || EltInfo.first <= (uint64_t)(-1)/Size) && 865bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar "Overflow in array type bit size evaluation"); 866fea966a4103ed9c018d1494b95e9d09b161f5a70Abramo Bagnara Width = EltInfo.first*Size; 867030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 868cd88b4171753dcb2bc0a21d78f1597c796bb8a20Argyrios Kyrtzidis Width = llvm::RoundUpToAlignment(Width, Align); 869030d8846c7e520330007087e949f621989876e3aChris Lattner break; 8705c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 871213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 872030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 8739fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 8749fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 8759fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 8764bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 8776fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 8786fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 8798eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 8809fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 8819fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 8829fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 883030d8846c7e520330007087e949f621989876e3aChris Lattner break; 884030d8846c7e520330007087e949f621989876e3aChris Lattner } 8855d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 8869e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 887a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 888b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown builtin type!"); 889d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 89018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 89118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 89218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 89318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 89418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 8956f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 896bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getBoolWidth(); 897bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getBoolAlign(); 8986f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 899692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 900692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 901692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 9026f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 903bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getCharWidth(); 904bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getCharAlign(); 9056f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9063f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 9073f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 908bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getWCharWidth(); 909bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getWCharAlign(); 91064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 911f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 912bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar16Width(); 913bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar16Align(); 914f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 915f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 916bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar32Width(); 917bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar32Align(); 918f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 919692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 9206f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 921bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getShortWidth(); 922bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getShortAlign(); 9236f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 924692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 9256f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 926bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getIntWidth(); 927bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getIntAlign(); 9286f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 929692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 9306f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 931bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongWidth(); 932bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongAlign(); 9336f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 934692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 9356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 936bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongLongWidth(); 937bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongLongAlign(); 9386f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 939ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 940ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 941ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 942ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 943ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 944aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: 945aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov Width = Target->getHalfWidth(); 946aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov Align = Target->getHalfAlign(); 947aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov break; 9486f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 949bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getFloatWidth(); 950bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getFloatAlign(); 9516f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9526f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 953bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getDoubleWidth(); 954bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getDoubleAlign(); 9556f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9566f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 957bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongDoubleWidth(); 958bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongDoubleAlign(); 9596f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9606e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 961bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 962bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); // == sizeof(void*) 9631590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 964e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 965e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 966e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 967bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 968bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 969e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 970a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 971bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 972d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 973bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 974bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 9756f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 976485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 977207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 978207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 979bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 980bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 981485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 982485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 9835d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 9845d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 9855d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 9865d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 987207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 988207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 989bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 990bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 9915d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 9925d484e8cf710207010720589d89602233de61d01Sebastian Redl } 993f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 994207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 995bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 996bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 997f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 998f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 999f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 1000071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 10021cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 1003071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 10041cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 10051cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 1006f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 10075d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 10085d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 10095d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 101198be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 10129e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 10135d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 10145d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 10155d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 1016c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 1017c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 101844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 10191d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 102044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 1021dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 1022dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 102344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 102444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 102572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 102672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 10271d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 10281d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 10291d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 103022ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Width = 8; 103122ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Align = 8; 10328389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 10338389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 10341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10351d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 10367176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 10377176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 10381d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 10397176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 1040dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 1041dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 1042dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 1043a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 10447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 10459fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 104649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 104749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 104849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 104934b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 105034b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 105134b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 1052dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 105334b41d939a1328f484511c6002ba2456db879a29Richard Smith } 105434b41d939a1328f484511c6002ba2456db879a29Richard Smith 1055075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 1056075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 1057075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 105818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 1059162e1c1b487352434552147967c3dd296ebee2f7Richard Smith const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); 1060df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 1061df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 1062c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 1063c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 1064c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 1065c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 1066c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 1067c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 1068c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 1069df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 10707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 10717176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 107218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 107318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 107418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 107518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 107618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 107718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 107818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 107918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 1080395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 1081395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 1082395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 1083395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 1084ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1085ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return getTypeInfo(cast<UnaryTransformType>(T)->getUnderlyingType()); 1086ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 1087465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 1088465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 10891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 10919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 10929d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 10939d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10943e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Type::TemplateSpecialization: { 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 109618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 10973e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith const TemplateSpecializationType *TST = cast<TemplateSpecializationType>(T); 10983e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type alias template specialization may refer to a typedef with the 10993e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // aligned attribute on it. 11003e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TST->isTypeAlias()) 11013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(TST->getAliasedType().getTypePtr()); 11023e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 11033e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(getCanonicalType(T)); 11043e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 11053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 1106b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: { 11072be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman std::pair<uint64_t, unsigned> Info 11082be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman = getTypeInfo(cast<AtomicType>(T)->getValueType()); 11092be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Width = Info.first; 11102be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Align = Info.second; 11112be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman if (Width != 0 && Width <= Target->getMaxAtomicPromoteWidth() && 11122be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman llvm::isPowerOf2_64(Width)) { 11132be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // We can potentially perform lock-free atomic operations for this 11142be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // type; promote the alignment appropriately. 11152be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // FIXME: We could potentially promote the width here as well... 11162be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // is that worthwhile? (Non-struct atomic types generally have 11172be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // power-of-two size anyway, but structs might not. Requires a bit 11182be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // of implementation work to make sure we zero out the extra bits.) 11192be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Align = static_cast<unsigned>(Width); 11202be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman } 1121b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 1122b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 112318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11252be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman assert(llvm::isPowerOf2_32(Align) && "Alignment must be power of 2"); 11269e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 1127a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 1128a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1129eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 1130eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 1131eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 1132eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 1133eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 1134dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 1135dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 1136dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 1137dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 1138dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 1139bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 1140bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 11414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 1142eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1143bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 11444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 1145eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1146bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 1147bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 114816e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 114986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 11504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 1151eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 115286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 11534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 1154eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 115586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 115686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 115734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 115834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 115934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 116034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 11614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 116234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 11631eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 11641eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 1165183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 11661eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 11671eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 1168cde7a1dc68af2eb063a039b5a31c3b7dd92b1aa9Chad Rosier T->isSpecificBuiltinType(BuiltinType::LongLong) || 1169cde7a1dc68af2eb063a039b5a31c3b7dd92b1aa9Chad Rosier T->isSpecificBuiltinType(BuiltinType::ULongLong)) 11701eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 11711eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 117234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 117334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 117434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 11752c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 11762c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 11772c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 11782c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 11792c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 11809820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 11812c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 11822c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 1183db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVectorImpl<const ObjCIvarDecl*> &Ivars) const { 11842c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 11852c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 11862c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 11872c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 11882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 118911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 11903060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 1191bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 1192db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose for (const ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 1193bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Iv= Iv->getNextIvar()) 1194bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Ivars.push_back(Iv); 1195bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian } 11969820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 11979820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1198e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1199e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1200e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1201432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1202e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 120353b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 120453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 120553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 120653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1207e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 12083fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor Protocols.insert(Proto->getCanonicalDecl()); 1209e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1210b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 12113fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor Protocols.insert((*P)->getCanonicalDecl()); 1212e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1213e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1214b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1215e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1216e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1217e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1218e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1219e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1220e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1221e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1222e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1223e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1224e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1225b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 122653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1227e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1228e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 12293fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor Protocols.insert(Proto->getCanonicalDecl()); 1230e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1231e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1232e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1233e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1234b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1235e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1236e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1237e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 12383fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor Protocols.insert(Proto->getCanonicalDecl()); 1239e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1240e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1241e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1242e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1243e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1244e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1245e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 12464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 12473bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 12483bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 124980aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 125080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1251b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1252b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 12533bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 12543bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 12553bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1256b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1257b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 12588e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 12598e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 12608e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 12618deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidisbool ASTContext::isSentinelNullExpr(const Expr *E) { 12628deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis if (!E) 12638deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis return false; 12648deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 12658deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis // nullptr_t is always treated as null. 12668deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis if (E->getType()->isNullPtrType()) return true; 12678deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 12688deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis if (E->getType()->isAnyPointerType() && 12698deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis E->IgnoreParenCasts()->isNullPointerConstant(*this, 12708deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis Expr::NPC_ValueDependentIsNull)) 12718deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis return true; 12728deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 12738deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis // Unfortunately, __null has type 'int'. 12748deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis if (isa<GNUNullExpr>(E)) return true; 12758deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 12768deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis return false; 12778deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis} 12788deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 12798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 12808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 12818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 12828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 12838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 12848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 12858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 12868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 12888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 12898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 12908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 12918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 12928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 12938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 12948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 12968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 12978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 12988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 12998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 13008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 13018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 13028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 13038a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 13048a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 13058a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 13068a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 13078a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 13088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 130987ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios KyrtzidisObjCInterfaceDecl *ASTContext::getObjContainingInterface(NamedDecl *ND) const { 131087ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(ND->getDeclContext())) 131187ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return ID; 131287ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(ND->getDeclContext())) 131387ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return CD->getClassInterface(); 131487ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis if (ObjCImplDecl *IMD = dyn_cast<ObjCImplDecl>(ND->getDeclContext())) 131587ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return IMD->getClassInterface(); 131687ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis 131787ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return 0; 131887ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis} 131987ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis 13201ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 13211ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1322830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1323d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1324d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1325d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1326830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1327d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 13281ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 13291ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 13301ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 13311ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 13321ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 13331ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1334d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1335d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 13361ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 13371ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 13381ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1339a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1340b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1341a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1342b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1343b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1344b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1345b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1346b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1347a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 13484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1349109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1350109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1351109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1352109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1353a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1354109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1355a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1356a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1357a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1358a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1359b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1360b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1361a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 13626952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1363a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1364c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1365a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1366a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1367a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1368b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 13694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1370b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1371b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1372b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1373b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 13744ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 13754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1376b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1377b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1378b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1379a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1380a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1381a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1382a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 13834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 13853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 13863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 13870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 13890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 13903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 13913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 13923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 13933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 13943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 13950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 13960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 13983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 13993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 14003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 1401200fa53fd420aa8369586f569dbece04930ad6a3John McCall canonSplit.Quals.addConsistentQualifiers(quals); 1402200fa53fd420aa8369586f569dbece04930ad6a3John McCall canon = getExtQualType(canonSplit.Ty, canonSplit.Quals); 14033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 14043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 14053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 14063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 14073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 14083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 14093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 14103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 14110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 14120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 14134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 14144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1415f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1416f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1417f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1418b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 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 address space specified, it cannot get 14250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 14260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 14270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 14280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1431ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1432ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1433b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 14344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1435d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1436b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1437d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 14381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14397f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 14407f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 144158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 14424027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 14434027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 14444027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 14454027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 14461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 14480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 14490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 14500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 14511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 14530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 14540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 14550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 14560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 14571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1459d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1460a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1461e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1462e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1463e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1464e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1465e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1466e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1467e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1468e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1469e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1470e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1471e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1472e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1473e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1474e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1475e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1476e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1477e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1478e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1479e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 14805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 14815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 14824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(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 ComplexType::Profile(ID, T); 14871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 14905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 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 = getComplexType(getCanonicalType(T)); 14971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1500c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 15035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 15095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 15104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 15115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 15125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 15145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 15151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 15185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 15191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 15215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 15225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1523467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1524f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 15251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1528c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 15315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 15335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 15375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 15384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1539296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1540296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 15415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 15425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 15435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 15441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 15465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 15475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 15485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 15491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 15515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 15525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1553467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 15545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 15575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 15585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1559c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 15626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 15635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 15645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 15655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 15665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 15675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 15687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 15697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 15704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 15714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 15729625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(getCanonicalType(T) != OverloadTy && 15739625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 15749625e44c0252485277a340746ed8ac950686156fDouglas Gregor 15755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 15765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 157854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 15827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 15835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 15847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 158554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 158654e14c4db764c0636160d26c5bbf491637c83a76John McCall 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 15885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 159054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 159154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 159254e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 15937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 15957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 15967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1597c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16006b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 160154e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 160254e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 16037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 16047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 160554e14c4db764c0636160d26c5bbf491637c83a76John McCall 16067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 16077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 16087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 16107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 16114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 16127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 16137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 16147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 161554e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 16167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 16187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 16197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 16207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 16217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 162254e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 162354e14c4db764c0636160d26c5bbf491637c83a76John McCall 16247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 16257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 16267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 162754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 162854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 162954e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 16307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 16327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 16337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1634c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 16355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 16386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 16395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 16415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1644f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1645f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 16464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1647f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1648f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1649f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1650f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1651f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1652f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1653f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1654f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1655f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1656f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1657f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1658f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1659f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 166087c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1661f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1662f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1663f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1664f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1665f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1666c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1667f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 16686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 16696b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1670f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1671f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1672f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1673f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1674f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 16751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1676fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 16771eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 167838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1679c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 168063e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1681923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1682923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1683587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1684587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 168538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 168638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 168738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 16889f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1689bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ArySize.zextOrTrunc(Target->getPointerWidth(getTargetAddressSpace(EltTy))); 16901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 169263e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 16967192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 16975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 16981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 17003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 17013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 17023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 17033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 1704200fa53fd420aa8369586f569dbece04930ad6a3John McCall Canon = getConstantArrayType(QualType(canonSplit.Ty, 0), ArySize, 170563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 1706200fa53fd420aa8369586f569dbece04930ad6a3John McCall Canon = getQualifiedType(Canon, canonSplit.Quals); 17073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 17091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 17107192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1711c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 171563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 17167192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 17175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 17185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1721ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1722ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1723ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1724ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1725ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1726ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1727ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1728ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1729ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1730ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1731200fa53fd420aa8369586f569dbece04930ad6a3John McCall const Type *ty = split.Ty; 1732ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1733ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1734ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1735ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1736ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1737ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1738ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1739ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1740ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1741ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1742ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1743ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1744ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1745ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1746ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1747ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1748ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1749ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1750ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1751ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1752ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1753ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1754ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1755ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1756ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1757ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1758ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1759ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1760ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 176134b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1762ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1763ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1764ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1765ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1766ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1767ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1768ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1769ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1770ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1771ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1772ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1773ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1774ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1775ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1776ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1777ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1778ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1779ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1780ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1781ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1782ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1783ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1784ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1785ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1786ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1787ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1788745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1789ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1790ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1791ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1792ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1793ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1794ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1795745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1796745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1797b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: { 1798b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman const AtomicType *at = cast<AtomicType>(ty); 1799b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman result = getAtomicType(getVariableArrayDecayedType(at->getValueType())); 1800b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman break; 1801b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 1802b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 1803ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1804ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1805ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1806ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1807ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1808ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1809ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1810ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1811745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1812745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1813ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1814ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1815ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1816ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1817ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1818ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1819ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1820ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1821ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1822ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1823ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1824ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1825ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1826ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1827ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1828ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1829ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1830ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1831ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1832ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1833ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1834ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1835ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1836ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1837ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1838ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1839ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1840ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1841ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1842ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1843ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1844ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1845ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1846ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1847ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1848ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1849ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1850200fa53fd420aa8369586f569dbece04930ad6a3John McCall return getQualifiedType(result, split.Quals); 1851ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1852745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1853bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1854bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 18557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 18567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1857c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 185863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 18594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1860c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1861c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 18623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1863715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 18643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 18653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 18663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 1867200fa53fd420aa8369586f569dbece04930ad6a3John McCall Canon = getVariableArrayType(QualType(canonSplit.Ty, 0), NumElts, ASM, 186863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 1869200fa53fd420aa8369586f569dbece04930ad6a3John McCall Canon = getQualifiedType(Canon, canonSplit.Quals); 1870715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1871715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 18726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 187363e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1874c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1875c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1876c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1877c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1878c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1879c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1880898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1881898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 188204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 18833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 18843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1885898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 18863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 18873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 18883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 18893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1890898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1891898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 18923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 18933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 18943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 18953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 18963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 18973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 18983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 19003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 19013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 19023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 19033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1904cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1905cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 19063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 19073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 19081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1910898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 19113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 19123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 19133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 1914200fa53fd420aa8369586f569dbece04930ad6a3John McCall QualType(canonElementType.Ty, 0), 19153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 19163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 19183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 19193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 19203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 19223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 19233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 1924200fa53fd420aa8369586f569dbece04930ad6a3John McCall DependentSizedArrayType(*this, QualType(canonElementType.Ty, 0), 19253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 19263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 19273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 19283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 19293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 19303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 19323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 1933200fa53fd420aa8369586f569dbece04930ad6a3John McCall canonElementType.Quals); 19343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 19363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 1937200fa53fd420aa8369586f569dbece04930ad6a3John McCall if (QualType(canonElementType.Ty, 0) == elementType) 19383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 19393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 19413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 19423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 19433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 19443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 19453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 19463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 19473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 19483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 19493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 19503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1951c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 19523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1953c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 19543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1955c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 19573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 19583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 19593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1960c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1961c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 19623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 19633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 19643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1965c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 19673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 1968200fa53fd420aa8369586f569dbece04930ad6a3John McCall canon = getIncompleteArrayType(QualType(canonSplit.Ty, 0), 19693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 1970200fa53fd420aa8369586f569dbece04930ad6a3John McCall canon = getQualifiedType(canon, canonSplit.Quals); 1971c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1972c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 19733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 19743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 19753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 19762bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1977c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 19793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1980c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 19813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 19823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 19833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1984fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1985fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 198673322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 198773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 198882287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 19894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 19903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 19911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 19935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1994e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1995788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 19965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 19985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 19995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 20015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 20025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 2003255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 2004231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 20051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 20075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 2008c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 20095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20106b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 2011e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 20125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 20145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 20155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2017213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 201873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 20194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 20214ac01401b1ec602a1f58c217544d3dcb5fcbd7f1Douglas Gregor assert(vecType->isBuiltinType() || vecType->isDependentType()); 20221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 202373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 202473322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 2025788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 2026e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 202773322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 202873322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 202973322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 203073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 203173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 203273322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 203373322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 2034467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 2035213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 20361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 203773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 203873322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 2039c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 204073322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 20416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 20426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 204373322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 204473322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 204573322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 204673322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 204773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 20484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 20504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 20514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 20522ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 20531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 20542ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 20551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 20572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 20582ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 20592ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 20602ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 20612ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 20622ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 20636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 20646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 20656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 20662ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 20672ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 20682ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 20696b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 20706b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 20716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 2072789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2073789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 2074789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 2075789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 2076789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 20772ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 20782ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 20792ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 20802ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 20816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 20826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 20832ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 20842ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 20851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20869cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 20879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 20889cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 20899cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 209072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 20915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 20944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 2095cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 2096cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2097cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 20985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 20995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 21005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 2101264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 21021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 21041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 210572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 21065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 21071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 2109ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 211004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 2111264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 2112264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 2113264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 21141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 211672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 211772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2118c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 21195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2121cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 21226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 2123cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 21245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 212572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 21265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 21275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 21305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 21314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 21324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 21334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 21344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 21355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 21365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 21375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 21388026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 21395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 21411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 214272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 21435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 2144465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2145465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 2146eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith bool isCanonical = 2147eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical() && 2148eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith !EPI.HasTrailingReturn; 21495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 215054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 21515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 21525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2153cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 2154cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2155cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 2156e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 21575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 2158465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 21595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 216004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 21615f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 16> CanonicalArgs; 21625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 21635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 216454e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 2165465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2166e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 2167eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith CanonicalEPI.HasTrailingReturn = false; 21688b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 21698b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 2170e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 2171e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 2172e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2173f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 2174beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 2175e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 2176465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 21775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 217872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 217972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2180c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 21815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2182465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2183f85e193739c953358c865005855253af4f68a497John McCall // FunctionProtoType objects are allocated with extra bytes after 2184f85e193739c953358c865005855253af4f68a497John McCall // them for three variable size arrays at the end: 2185f85e193739c953358c865005855253af4f68a497John McCall // - parameter types 2186f85e193739c953358c865005855253af4f68a497John McCall // - exception types 2187f85e193739c953358c865005855253af4f68a497John McCall // - consumed-arguments flags 2188f85e193739c953358c865005855253af4f68a497John McCall // Instead of the exception types, there could be a noexcept 2189f85e193739c953358c865005855253af4f68a497John McCall // expression. 2190e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 219160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 219260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 219360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 219460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 21958026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 219660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2197f85e193739c953358c865005855253af4f68a497John McCall if (EPI.ConsumedArguments) 2198f85e193739c953358c865005855253af4f68a497John McCall Size += NumArgs * sizeof(bool); 2199f85e193739c953358c865005855253af4f68a497John McCall 2200e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 2201cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 2202cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 22038026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 22045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 220572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 22065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 22075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 22103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 22113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 22123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 22133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 22143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 22153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 22163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 22173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 22183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 22193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 22203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 22213cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 22223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 22233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 22243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 22254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 22263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 22273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 22283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 2229ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDecl()) { 22303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 22313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 22323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 22333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2234f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 223531f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2236f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2237f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 22383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 22393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 22403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 22413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 22422ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 22432ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 22444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 22451e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2246becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 22471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2248162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Decl)) 22492ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2250becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2251becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2252becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2253becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 225419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2255ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor assert(!Record->getPreviousDecl() && 2256becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2257becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2258400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 225919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2260ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor assert(!Enum->getPreviousDecl() && 2261becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2262400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 226319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2264ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2265f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2266f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2267f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 22689fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2269becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 227049aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 227149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 22722ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 22732ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 22745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 2275162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// specified typedef name decl. 22769763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2277162e1c1b487352434552147967c3dd296ebee2f7Richard SmithASTContext::getTypedefType(const TypedefNameDecl *Decl, 2278162e1c1b487352434552147967c3dd296ebee2f7Richard Smith QualType Canonical) const { 22795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 22801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22819763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 22829763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2283f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 22846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2285f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2286f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2287f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 22885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2291400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2292400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2293ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor if (const RecordDecl *PrevDecl = Decl->getPreviousDecl()) 2294400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2295400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2296400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2297f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2298f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2299f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2300f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2301400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2302400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 23034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2304400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2305400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2306ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor if (const EnumDecl *PrevDecl = Decl->getPreviousDecl()) 2307400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2308400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2309400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2310f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2311f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2312f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2313f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2314400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2315400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 23169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 23179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 23189d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 23199d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 23209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 23219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 23229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 23239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 23249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 23259d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 23269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 23279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 23289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 23299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 23309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 23319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 23329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 23339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 23349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 23359d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 23369d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 233749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 233849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 233949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 23404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2341467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 234249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 234349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 234449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 234549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 234649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 234749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 234849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 234949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 235049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 235149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 235249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 235349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 235449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 235549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 235649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 235749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 235849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 235949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2360c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2361c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2362c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2363c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2364c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2365c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2366c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2367c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2368c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2369c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2370c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2371c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2372c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2373c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2374c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2375c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2376c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2377c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2378c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2379c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2380c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2381c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2382c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2383c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2384c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2385c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2386c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2387c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2388c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2389c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2390c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2391c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2392c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2393c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2394c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2395c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2396fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 23971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 239876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 23991eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 240076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 24014fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) const { 2402fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 24034fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); 2404fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 24051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2406fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2407fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2408fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2409fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 24101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24114fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth if (TTPDecl) { 241276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 24134fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); 2414789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2415789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2416789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2417789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2418789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 241976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 24206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 24216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2422fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2423fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2424fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2425fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2426fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2427fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2428fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 24293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 24303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 24313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 24323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 24333e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 24347c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 24357c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24363e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType TST = getTemplateSpecializationType(Name, Args, Underlying); 24373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 24383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 24393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 24403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 244155d23c925b058be29b792008ddb7d68f6c4fa9a0Abramo Bagnara TL.setTemplateKeywordLoc(SourceLocation()); 24423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 24433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 24443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 24453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 24463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 24473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 24483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 24493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 24501eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 24517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2452d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 24533e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 24547c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 24557c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24567c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2457d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2458d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 24595f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> ArgVec; 2460833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2461833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2462833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2463833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 246431f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 24653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Underlying); 2466833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2467833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2468b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor#ifndef NDEBUG 2469b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregorstatic bool hasAnyPackExpansions(const TemplateArgument *Args, 2470b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor unsigned NumArgs) { 2471b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 2472b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor if (Args[I].isPackExpansion()) 2473b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor return true; 2474b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor 2475b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor return true; 2476b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor} 2477b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor#endif 2478b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor 2479833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2480833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 24817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 24827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 24833e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 24847c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 24857c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24860f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 24870f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 24880f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 24897c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2490b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor bool IsTypeAlias = 24913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Template.getAsTemplateDecl() && 24923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); 24933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType CanonType; 24943e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (!Underlying.isNull()) 24953e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalType(Underlying); 24963e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else { 2497b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor // We can get here with an alias template when the specialization contains 2498b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor // a pack expansion that does not match up with a parameter pack. 2499b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor assert((!IsTypeAlias || hasAnyPackExpansions(Args, NumArgs)) && 2500b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor "Caller must compute aliased type"); 2501b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor IsTypeAlias = false; 25023e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalTemplateSpecializationType(Template, Args, 25033e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith NumArgs); 25043e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2505fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 25061275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 25071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 25081275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 25093e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith void *Mem = Allocate(sizeof(TemplateSpecializationType) + 25103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith sizeof(TemplateArgument) * NumArgs + 2511b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor (IsTypeAlias? sizeof(QualType) : 0), 25126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 25131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2514b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor = new (Mem) TemplateSpecializationType(Template, Args, NumArgs, CanonType, 2515b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor IsTypeAlias ? Underlying : QualType()); 25161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 251755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 25181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 251955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 252055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 25211eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 25229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 25239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 25244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 25257c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 25267c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 25273e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 25280f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 25290f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 25300f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 25317c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 25329763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 25339763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 25345f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> CanonArgs; 25359763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 25369763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 25379763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 25389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 25399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 25409763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 25419763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 25429763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 25439763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 25449763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 25459763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 25469763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 25479763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 25489763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 25499763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 25509763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 25519763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 25529763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 25539763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 25549763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 25559763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 25563e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType(), QualType()); 25579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 25589763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 25599763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 25609763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 25619763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 25629763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 25639763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 25649763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 25659763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 25669763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2567465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2568465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 25694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2570e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2571465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2572e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2573e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2574465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2575e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2576e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2577e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2578789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2579789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2580789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2581465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2582465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2583789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2584789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2585789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2586465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2587e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2588465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2589e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2590e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2591e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2592075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 25934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2594075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2595075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2596075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2597075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2598075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2599075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2600075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2601075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2602075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2603075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2604075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2605075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2606075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2607075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2608075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2609075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2610075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2611075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2612075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2613075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2614075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2615075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 26164a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 26174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 26184a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 26194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2620d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2621d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2622d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2623d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 26244a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 26254a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 26264a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 26274a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 26284a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 26294a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2630d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2631d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2632d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 26334a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2634d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2635d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 26364714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 26374714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2638d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2639d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2640d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 26414a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2642d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 26434714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 26441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2645d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2646d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 26471eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 264833500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 264933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 26504a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 265133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 26524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 265333500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 26545f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> ArgCopy; 265533500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 265633500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 265733500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 265833500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 265933500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 266033500955d731c73717af52088b7fc0e7a85681e7John McCall} 266133500955d731c73717af52088b7fc0e7a85681e7John McCall 266233500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 266333500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 266433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 266533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 266633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 266733500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 26684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2669aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2670aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 26711734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2672789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 267333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 267433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2675789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2676789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 267733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 267833500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2679789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2680789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2681789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 268233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 268333500955d731c73717af52088b7fc0e7a85681e7John McCall 268433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 268533500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 26861734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 268733500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 26885f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 268933500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 269033500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 269133500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 269233500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2693789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 26941734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 269533500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 269633500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 269733500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 269833500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 269933500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 270033500955d731c73717af52088b7fc0e7a85681e7John McCall 270133500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 270233500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 270333500955d731c73717af52088b7fc0e7a85681e7John McCall } 270433500955d731c73717af52088b7fc0e7a85681e7John McCall 270533500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 270633500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 270733500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2708ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 270933500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 27101734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 271133500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 27121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 27131734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 27141734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2715cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2716cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 27177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2718cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 27197536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 27207536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 27217536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 27227536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 27237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 27247536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 27257536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 27267536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 27277536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 27287536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 27297536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2730cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 27317536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 27327536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 27337536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 27347536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 27357536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2736cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 27377536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 27387536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 27397536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 27407536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 27417536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 274288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 274388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 274488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 274588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 27462e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 274788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 274888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2749c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 275054e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 275154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 275254e14c4db764c0636160d26c5bbf491637c83a76John McCall 275361cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor if (Protocols[0]->getCanonicalDecl() != Protocols[0]) 275461cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor return false; 275561cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor 275654e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 275761cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor if (!CmpProtocolNames(Protocols[i-1], Protocols[i]) || 275861cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor Protocols[i]->getCanonicalDecl() != Protocols[i]) 275954e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 276054e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 276154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 276254e14c4db764c0636160d26c5bbf491637c83a76John McCall 276354e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 276488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 276588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 27661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 276788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 276888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 276988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 277061cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor // Canonicalize. 277161cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor for (unsigned I = 0, N = NumProtocols; I != N; ++I) 277261cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor Protocols[I] = Protocols[I]->getCanonicalDecl(); 277361cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor 277488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 277588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 277688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 277788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 277888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2779c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2780c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 27814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2782c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2783c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2784c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2785c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2786d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2787c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2788c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2789c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2790d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2791c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2792c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2793d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2794c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2795c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 279654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2797c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2798c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2799c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 28005f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 28010237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 280254e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 280354e14c4db764c0636160d26c5bbf491637c83a76John McCall 280454e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2805c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2806c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 280754e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2808c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2809c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 281054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 281154e14c4db764c0636160d26c5bbf491637c83a76John McCall 281254e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2813c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 281454e14c4db764c0636160d26c5bbf491637c83a76John McCall } 281554e14c4db764c0636160d26c5bbf491637c83a76John McCall 2816c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2817c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2818fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2819c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2820c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 28211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2822c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2823c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2824c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2825d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 282688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2827c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2828c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 28294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 28304b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2831c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 28321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28334b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2834c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2835c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 28364b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 28371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2838c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 283954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2840c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2841c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 284254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2843c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2844c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 284554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 284654e14c4db764c0636160d26c5bbf491637c83a76John McCall 2847c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2848c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2849c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2850c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 285124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 285224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2853c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 285424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 285524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 285624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2857deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2858deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 28590af550115df1f57f17a4f125ff0e8b34820c65d1Douglas GregorQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 28600af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor ObjCInterfaceDecl *PrevDecl) const { 2861deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2862deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 286374c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 28640af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor if (PrevDecl) { 28650af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor assert(PrevDecl->TypeForDecl && "previous decl has no TypeForDecl"); 28660af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor Decl->TypeForDecl = PrevDecl->TypeForDecl; 28670af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor return QualType(PrevDecl->TypeForDecl, 0); 28680af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor } 28690af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor 28708d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor // Prefer the definition, if there is one. 28718d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor if (const ObjCInterfaceDecl *Def = Decl->getDefinition()) 28728d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor Decl = Def; 28738d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor 2874deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2875deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2876deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2877deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2878deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2879c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2880c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 288172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 288272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 28839752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 28841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 28859752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 28864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2887dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2888b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2889b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2890b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 28911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2892b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2893b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2894b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2895b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2896b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2897b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 28986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2899b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 29003060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 2901b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 29026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 29036b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2904b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2905b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2906b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2907b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2908dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 29096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2910dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 29119752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 29129752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2913d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2914d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 29159752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 29169752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 29179752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 29181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 29199752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 29204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2921f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 29226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 29239752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 29249752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2925d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2926d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 292760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2928395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2929395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2930395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 29311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 293239e02032b01874a0d02ba85a4cd3922adda81376David Blaikie/// on canonical types (which are always unique). 2933f8af98286022f72157d84951b48fde5fb369ab29Douglas GregorQualType ASTContext::getDecltypeType(Expr *e, QualType UnderlyingType) const { 2934dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 2935561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 2936561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // C++0x [temp.type]p2: 2937561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // If an expression e involves a template parameter, decltype(e) denotes a 2938561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // unique dependent type. Two such decltype-specifiers refer to the same 2939561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // type only if their expressions are equivalent (14.5.6.1). 2940561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (e->isInstantiationDependent()) { 29419d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 29429d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 29431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29449d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 29459d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 29469d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 29479d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 29489d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 29499d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 29506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 29519d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 29523060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 29539d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 29546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 29559d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 29569d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 29579d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 29589d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2959f8af98286022f72157d84951b48fde5fb369ab29Douglas Gregor dt = new (*this, TypeAlignment) DecltypeType(e, UnderlyingType, 2960f8af98286022f72157d84951b48fde5fb369ab29Douglas Gregor getCanonicalType(UnderlyingType)); 2961dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2962395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2963395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2964395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2965395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2966ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// getUnaryTransformationType - We don't unique these, since the memory 2967ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// savings are minimal and these are rare. 2968ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType ASTContext::getUnaryTransformType(QualType BaseType, 2969ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType, 2970ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind Kind) 2971ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt const { 2972ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType *Ty = 297369d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor new (*this, TypeAlignment) UnaryTransformType (BaseType, UnderlyingType, 297469d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor Kind, 297569d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor UnderlyingType->isDependentType() ? 297612fc4b0624706b474fa10308631fa8daf92f340fPeter Collingbourne QualType() : getCanonicalType(UnderlyingType)); 2977ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Types.push_back(Ty); 2978ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(Ty, 0); 2979ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2980ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2981483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 298234b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2983483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2984483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2985483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2986483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2987483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2988483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2989483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2990483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2991483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2992483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2993483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2994483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2995483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2996483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 299734b41d939a1328f484511c6002ba2456db879a29Richard Smith} 299834b41d939a1328f484511c6002ba2456db879a29Richard Smith 2999b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman/// getAtomicType - Return the uniqued reference to the atomic type for 3000b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman/// the given value type. 3001b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli FriedmanQualType ASTContext::getAtomicType(QualType T) const { 3002b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Unique pointers, to guarantee there is only one pointer of a particular 3003b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // structure. 3004b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman llvm::FoldingSetNodeID ID; 3005b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType::Profile(ID, T); 3006b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 3007b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman void *InsertPos = 0; 3008b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (AtomicType *AT = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos)) 3009b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return QualType(AT, 0); 3010b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 3011b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // If the atomic value type isn't canonical, this won't be a canonical type 3012b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // either, so fill in the canonical type field. 3013b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType Canonical; 3014b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (!T.isCanonical()) { 3015b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Canonical = getAtomicType(getCanonicalType(T)); 3016b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 3017b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Get the new insert position for the node we care about. 3018b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType *NewIP = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos); 3019b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 3020b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 3021b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType *New = new (*this, TypeAlignment) AtomicType(T, Canonical); 3022b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Types.push_back(New); 3023b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicTypes.InsertNode(New, InsertPos); 3024b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return QualType(New, 0); 3025b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman} 3026b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 3027ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 3028ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 3029ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 3030ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 3031ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 3032ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 3033ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 3034ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 3035ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 3036ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 3037ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 3038ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 3039ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 3040ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 3041ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 3042ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 30435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 30445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 30454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 3046d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 3047e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 3048e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 3049e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 30505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 30515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 30531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 30541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 3055a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 3056bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getSizeType()); 30575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 30585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 305929e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg/// getIntMaxType - Return the unique type for "intmax_t" (C99 7.18.1.5). 306029e97cb35fab314388f62b68fefa78947e93c1dcHans WennborgCanQualType ASTContext::getIntMaxType() const { 306129e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg return getFromTargetType(Target->getIntMaxType()); 306229e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg} 306329e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg 306429e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg/// getUIntMaxType - Return the unique type for "uintmax_t" (C99 7.18.1.5). 306529e97cb35fab314388f62b68fefa78947e93c1dcHans WennborgCanQualType ASTContext::getUIntMaxType() const { 306629e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg return getFromTargetType(Target->getUIntMaxType()); 306729e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg} 306829e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg 306964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 307064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 307164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 307264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 307364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 307464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 307564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 307664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 307764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 307864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 307964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 308064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 308164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 308264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 308329e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg/// getPointerDiffType - Return the unique type for "ptrdiff_t" (C99 7.17) 30848b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 30858b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 3086bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getPtrDiffType(0)); 30878b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 30888b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 3089e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 3090e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 3091e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 3092e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 30934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 309454e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 309554e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 309654e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 3097745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 309854e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 309954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 310054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 310154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 310254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 310354e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 310454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 310554e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 310654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 310754e14c4db764c0636160d26c5bbf491637c83a76John McCall 310854e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 310954e14c4db764c0636160d26c5bbf491637c83a76John McCall} 311054e14c4db764c0636160d26c5bbf491637c83a76John McCall 311162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 311262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 311362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 311462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 311562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 311662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 311762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 311862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 311962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 3120200fa53fd420aa8369586f569dbece04930ad6a3John McCall dyn_cast<ArrayType>(splitType.Ty->getUnqualifiedDesugaredType()); 312162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 312262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 31239dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 3124200fa53fd420aa8369586f569dbece04930ad6a3John McCall quals = splitType.Quals; 3125200fa53fd420aa8369586f569dbece04930ad6a3John McCall return QualType(splitType.Ty, 0); 312628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 312728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 312862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 312962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 313062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 313162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 313262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 313362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 313462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 313562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 3136200fa53fd420aa8369586f569dbece04930ad6a3John McCall quals = splitType.Quals; 3137200fa53fd420aa8369586f569dbece04930ad6a3John McCall return QualType(splitType.Ty, 0); 313862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 313962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 314062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 314162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 3142200fa53fd420aa8369586f569dbece04930ad6a3John McCall quals.addConsistentQualifiers(splitType.Quals); 314328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 31449dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 314562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 314628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 314728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 314828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 31499dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 315062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 315128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 315228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 31539dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 315462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 31553fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 31569dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 31579dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 31589dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 31599dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 31609dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 31619dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 316262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 316328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 316428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 316528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 316628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 31675a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 31685a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 31695a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 31705a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 31715a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 31725a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 31735a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 31745a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 31755a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 31765a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 31775a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 31785a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 31795a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 31805a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 31815a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 31825a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31835a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31845a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 31855a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 31865a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 31875a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 31885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 31895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 31905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 31915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 31925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 31935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 31944e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC1) { 31955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 31965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 31975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 31985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 31995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 32005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 32015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 32025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 32035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 32045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 32055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 32065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 32075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 32085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 32094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 32104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 32114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 3212146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3213146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3214146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: 32152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 3216146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(Name.getAsTemplateDecl()->getDeclName(), 3217146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 32182577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3219146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: { 3220146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 3221146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall // DNInfo work in progress: CHECKME: what about DNLoc? 3222146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 3223146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3224146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3225146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3226146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 32272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 322880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 32292577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 32302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 323180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 32322577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 32332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 32342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 32352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 32362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 32372577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 323880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 323980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 324080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 3241146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3242146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3243146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3244146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameter()->getDeclName(), 3245146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3246146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3247146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3248146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3249146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3250146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3251146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameterPack()->getDeclName(), 3252146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3253146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3254146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3255146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3256146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name kind!"); 325780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 325880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 32594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 3260146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3261146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3262146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: { 3263146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateDecl *Template = Name.getAsTemplateDecl(); 32643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 3265146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = dyn_cast<TemplateTemplateParmDecl>(Template)) 32663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 32673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 32683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 326997fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 32703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 327125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3272146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: 3273146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("cannot canonicalize overloaded template"); 3274146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3275146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3276146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 3277146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall assert(DTN && "Non-dependent template names must refer to template decls."); 3278146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DTN->CanonicalTemplateName; 3279146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3280146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3281146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3282146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3283146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3284146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getCanonicalTemplateName(subst->getReplacement()); 32851aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 32861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3287146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3288146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3289146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3290146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateTemplateParmDecl *canonParameter 3291146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateTemplateParmDecl(subst->getParameterPack()); 3292146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateArgument canonArgPack 3293146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateArgument(subst->getArgumentPack()); 3294146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getSubstTemplateTemplateParmPack(canonParameter, canonArgPack); 3295146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3296146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3297146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3298146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name!"); 329925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 330025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3301db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 3302db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 3303db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 3304db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 3305db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 3306db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 33071eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 33084ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 33091275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 33101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 33111275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 33121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 33141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 33151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 3317833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 33181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3319788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3320788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3321a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3322a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3323a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3324a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 33252be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3326a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 33271275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3328833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 33291275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 33301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3332833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 33331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33341275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 333587dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 333687dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 333787dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3338910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3339910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 33401275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 33411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 33421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 33431275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 33441275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 33451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3346910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 33471275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 33481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 33491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 33501275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 3351b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unhandled template argument kind"); 33521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 33531275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3354d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 33554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 33561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3357d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3358d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3359d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3360d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3361d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 33621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3363d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3364d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3365d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3366d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3367d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3368d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 336914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 337014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 337114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 337214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 337314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 337414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 337514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 337614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 337714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3378d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3379d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3380d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3381d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3382264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3383264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3384264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3385264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3386264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3387264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3388264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3389264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 339016412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman if (const DependentNameType *DNT = T->getAs<DependentNameType>()) 339116412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman return NestedNameSpecifier::Create(*this, DNT->getQualifier(), 3392264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3393264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 339416412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman // Otherwise, just canonicalize the type, and force it to be a TypeSpec. 339516412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman // FIXME: Why are TypeSpec and TypeSpecWithTemplate distinct in the 339616412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman // first place? 33973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 33983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3399d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3400d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3401d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3402d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3403d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3404d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3405d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 34067530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie llvm_unreachable("Invalid NestedNameSpecifier::Kind!"); 3407d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3408d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3409c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 34104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3411c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3412a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3413c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3414c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3415c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3416c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 34171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 34193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3420c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 34211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3423c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3424c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 34251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3426c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3427c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 342850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 34290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 3431200fa53fd420aa8369586f569dbece04930ad6a3John McCall Qualifiers qs = split.Quals; 34321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3433c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 3434200fa53fd420aa8369586f569dbece04930ad6a3John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.Ty); 34353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3436c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 34371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3438c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3439c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 34403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 34411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3442c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3443c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3444c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 34450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3446c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3447c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3448c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 34490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3450898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 34511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3452898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3453898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 34541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 34553fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3456898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 34570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 34587e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 34591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3460c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 34617e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 34623fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3463c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 34640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 34657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 346677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 346777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 346879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getAdjustedParameterType(QualType T) { 346979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p7: 347079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "array of type" shall be 347179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // adjusted to "qualified pointer to type", where the type 347279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // qualifiers (if any) are those specified within the [ and ] of 347379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // the array type derivation. 347479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isArrayType()) 347579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getArrayDecayedType(T); 347679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 347779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p8: 347879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "function returning type" 347979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // shall be adjusted to "pointer to function returning type", as 348079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // in 6.3.2.1. 348179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isFunctionType()) 348279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getPointerType(T); 348379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 348479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T; 348579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 348679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 348779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getSignatureParameterType(QualType T) { 348879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getVariableArrayDecayedType(T); 348979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getAdjustedParameterType(T); 349079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T.getUnqualifiedType(); 349179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 349279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 3493e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3494e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3495e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3496e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3497e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3498e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 34994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3500c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3501c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3502c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3503c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3504c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3505c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 35061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3507c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3508e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3509e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 35100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3511e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3512e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 35133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 35143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 35155e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 35165e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 35173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 35183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 35193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 35203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 3521200fa53fd420aa8369586f569dbece04930ad6a3John McCall const ArrayType *array = split.Ty->getAsArrayTypeUnsafe(); 35223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 35231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 3525200fa53fd420aa8369586f569dbece04930ad6a3John McCall qs.addConsistentQualifiers(split.Quals); 35263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 35271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 35296183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 35306183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 35310de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 35321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 35330de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 35340de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 35350de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 35360de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 35370de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 35380de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 35390de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 35400de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 35410de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 35425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 35435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3544a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3545183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 35465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3547a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3548183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3549183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3550b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getFloatingRank(): not a floating type"); 3551aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: return HalfRank; 35525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 35535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 35545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 35555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 35565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 35575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 35591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3560716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3561716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 35621361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 35631361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 35641361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 35651361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 35661361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3567561d3abc881033776ece385a01a510e1cbc1fa92David Blaikie case HalfRank: llvm_unreachable("Complex half is not supported"); 3568f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3569f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3570f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3571f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3572f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 35731361b11066239ea15764a2a844405352d87296b3Chris Lattner 35741361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 35751361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3576561d3abc881033776ece385a01a510e1cbc1fa92David Blaikie case HalfRank: llvm_unreachable("Half ranks are not valid here"); 35771361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 35781361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 35791361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 35805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3581561d3abc881033776ece385a01a510e1cbc1fa92David Blaikie llvm_unreachable("getFloatingRank(): illegal value for rank"); 35825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 35835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 35857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 35867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 35871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 35884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3589a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3590a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 35911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3592a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3593fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3594a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3595fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3596fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 35975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 35985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3599f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3600f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3601f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3602f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3603467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3604f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3605f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 3606b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getIntegerRank(): not a built-in integer"); 36077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3608f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 36097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 36107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 36117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 36127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3613f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 36147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 36157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3616f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 36177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 36187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3619f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 36207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 36217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3622f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 36237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 36247cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3625f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 36262df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 36272df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 36282df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3629f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3630f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3631f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 363204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 363304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 363404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 363504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 363604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 36374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3638ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3639ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3640ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 364104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 364204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 364304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 364404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 364504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 364604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3647a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith uint64_t BitWidth = Field->getBitWidthValue(*this); 364804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 364904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 365004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 365104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 365204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 365304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 365404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 365504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 365604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 365704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 365804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 365904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 366004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 366104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 366204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 366304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 366404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3665a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3666a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3667a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 36684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3669a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3670a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3671842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3672842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 367368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman 367468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (const BuiltinType *BT = Promotable->getAs<BuiltinType>()) { 367568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // C++ [conv.prom]: A prvalue of type char16_t, char32_t, or wchar_t 367668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // (3.9.1) can be converted to a prvalue of the first of the following 367768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // types that can represent all the values of its underlying type: 367868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // int, unsigned int, long int, unsigned long int, long long int, or 367968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // unsigned long long int [...] 368068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // FIXME: Is there some better way to compute this? 368168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (BT->getKind() == BuiltinType::WChar_S || 368268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::WChar_U || 368368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::Char16 || 368468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::Char32) { 368568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman bool FromIsSigned = BT->getKind() == BuiltinType::WChar_S; 368668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman uint64_t FromSize = getTypeSize(BT); 368768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman QualType PromoteTypes[] = { IntTy, UnsignedIntTy, LongTy, UnsignedLongTy, 368868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman LongLongTy, UnsignedLongLongTy }; 368968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman for (size_t Idx = 0; Idx < llvm::array_lengthof(PromoteTypes); ++Idx) { 369068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman uint64_t ToSize = getTypeSize(PromoteTypes[Idx]); 369168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (FromSize < ToSize || 369268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman (FromSize == ToSize && 369368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman FromIsSigned == PromoteTypes[Idx]->isSignedIntegerType())) 369468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman return PromoteTypes[Idx]; 369568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 369668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman llvm_unreachable("char type should fit into long long"); 369768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 369868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 369968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman 370068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // At this point, we should have a signed or unsigned integer type. 3701a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3702a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3703a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3704a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3705a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3706a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3707a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3708a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 370931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// \brief Recurses in pointer/array types until it finds an objc retainable 371031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// type and returns its ownership. 371131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios KyrtzidisQualifiers::ObjCLifetime ASTContext::getInnerObjCOwnership(QualType T) const { 371231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis while (!T.isNull()) { 371331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T.getObjCLifetime() != Qualifiers::OCL_None) 371431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return T.getObjCLifetime(); 371531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T->isArrayType()) 371631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = getBaseElementType(T); 371731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const PointerType *PT = T->getAs<PointerType>()) 371831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = PT->getPointeeType(); 371931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 372028445f0b62f6aed851ff87ce64d9b19200d3211fArgyrios Kyrtzidis T = RT->getPointeeType(); 372131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else 372231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis break; 372331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis } 372431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 372531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return Qualifiers::OCL_None; 372631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis} 372731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 37281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 37297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 37301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 37314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3732f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3733f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 37347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 37351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3736f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3737f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 37381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 37407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 37411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 37437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 37447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 37457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 37461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 37487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 37497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 37507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 37517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 37521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 37547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 37551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 37567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 37577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 37587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 37597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 37607cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 37617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 37621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 37647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 37651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 37667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 37675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 376871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 376979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3770ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3771ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3772ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 37734e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (Ctx.getLangOpts().CPlusPlus) 3774ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 377579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3776ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 377779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3778ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 37791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 37804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 378171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 37821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3783ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 378479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 37855cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 378679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3787f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 37881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 378971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 37900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3791f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3792f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 379371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 37940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 379571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 37961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 37971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 379844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 379944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 38001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3801ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 380244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3803a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 38041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 38057a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 38067a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38072888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 380817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 380944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 381044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3811838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 381271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 38131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 381471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 38158467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3816b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3817319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 38186217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3819319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3820319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3821319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3822319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 38234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3824adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3825adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3826adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3827adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3828adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3829ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 383079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 38315cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3832adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3833adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3834adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3835adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3836adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3837adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3838adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3839adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3840083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3841adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3842adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3843adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3844ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3845adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3846adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3847a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3848adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 38497a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 38507a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38512888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3852adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3853adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3854adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3855838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3856adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3857adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3858adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3859adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3860adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3861adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 38624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3863083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3864083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3865083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3866083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3867083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3868ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 386979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 38705cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3871083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3872083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3873083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3874083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3875083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3876083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3877083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3878083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3879083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3880083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3881083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3882083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3883083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3884083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3885083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3886083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3887ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3888083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3889083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3890a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3891083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 38927a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 38937a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38942888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3895083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3896083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3897083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3898838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3899083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3900083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3901083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3902083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3903083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3904083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 39054ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3906f85e193739c953358c865005855253af4f68a497John McCall if (Ty->isObjCRetainableType()) 3907af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 39084e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) { 3909e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3910e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3911ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt return RD->hasConstCopyConstructor(); 3912e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3913e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3914e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3915af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3916af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3917af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 39184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 39195f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerASTContext::BuildByRefType(StringRef DeclName, QualType Ty) const { 3920af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3921ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3922af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3923ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3924ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3925a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3926a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3927af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3928ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3929ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3930af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3931af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3932af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3933f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<36> Name; 3934f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3935f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3936af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3937ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 3938af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3939af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3940af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3941af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3942af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3943af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3944af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3945af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3946af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3947af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3948af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3949af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3950af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 39515f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef FieldNames[] = { 3952af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3953af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3954af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3955af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3956af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3957af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3958af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3959af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3960af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3961af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3962af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3963af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3964af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3965ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 3966af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3967a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 39687a614d8380297fcd2bc23986241905d97222948cRichard Smith /*BitWidth=*/0, /*Mutable=*/false, 39697a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 39702888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3971af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3972af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3973af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3974838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3975af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3976af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3977ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3978ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3979e97179c675b341927807c718be215c8d1aab8acbDouglas GregorTypedefDecl *ASTContext::getObjCInstanceTypeDecl() { 3980e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!ObjCInstanceTypeDecl) 3981e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ObjCInstanceTypeDecl = TypedefDecl::Create(*this, 3982e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTranslationUnitDecl(), 3983e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 3984e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 3985e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor &Idents.get("instancetype"), 3986e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTrivialTypeSourceInfo(getObjCIdType())); 3987e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor return ObjCInstanceTypeDecl; 3988e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor} 3989e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 3990e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3991e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 39922d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3993e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3994bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3995bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 39961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 399785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 399885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 399985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 4000a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 400133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 40024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 4003f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (!type->isIncompleteArrayType() && type->isIncompleteType()) 4004f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return CharUnits::Zero(); 4005f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4006199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 40071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 400833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 40092ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 4010199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 401133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 401233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 4013199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 4014aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 4015199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 4016199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 4017199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 4018199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 4019199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 402033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 402133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 40226b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 40235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 40246b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 40256b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 40266b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 40275e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 40285e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 40295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 40305e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 4031c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 40325e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 40335e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 40345e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 40355e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 4036199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 4037199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 40386f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 40395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 40405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 4041aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4042199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 40435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 40445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 40455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 4046199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 40475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 40485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 40495e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 40505e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 40515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 40525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 40535e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 40545e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 40555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 40565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 40575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 40585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 40595389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 40605389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 40615389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 40625389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 40635389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 40645389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 40655389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 40665389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 40675389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 40686b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 40696b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 40705389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 40715389f48b24937ad7b4093307128b3cbf25235654David Chisnall 4072f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 40735389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 40745389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 40755389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 40765389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 40775389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 40785389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 40795389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 40805389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 40815389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 4082f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4083f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4084f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 40855389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 4086f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor "getObjCEncodingForFunctionDecl - Incomplete param type"); 40875389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 40885389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 40895389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 40905389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 40915389f48b24937ad7b4093307128b3cbf25235654David Chisnall 40925389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 40935389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 40945389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 40955389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 40965389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 40975389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 40985389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 40995389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 41005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 41015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 41025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 41035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 41045e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 41055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 4106199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4107aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 41085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 4109f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4110f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 41115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 41125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 4113dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson/// getObjCEncodingForMethodParameter - Return the encoded type for a single 4114dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson/// method parameter or return type. If Extended, include class names and 4115dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson/// block object types. 4116dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilsonvoid ASTContext::getObjCEncodingForMethodParameter(Decl::ObjCDeclQualifier QT, 4117dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson QualType T, std::string& S, 4118dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool Extended) const { 4119dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Encode type qualifer, 'in', 'inout', etc. for the parameter. 4120dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeQualifier(QT, S); 4121dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Encode parameter type. 4122dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeImpl(T, S, true, true, 0, 4123dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson true /*OutermostType*/, 4124dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /*EncodingProperty*/, 4125dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /*StructField*/, 4126dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson Extended /*EncodeBlockParameters*/, 4127dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson Extended /*EncodeClassNames*/); 4128dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson} 4129dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson 4130a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 413133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 4132f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 4133dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson std::string& S, 4134dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool Extended) const { 4135c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4136dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Encode return type. 4137dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForMethodParameter(Decl->getObjCDeclQualifier(), 4138dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson Decl->getResultType(), S, Extended); 413933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 414033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 414133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 414233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 4143199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 414433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 414533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 4146199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 4147491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis for (ObjCMethodDecl::param_const_iterator PI = Decl->param_begin(), 41487732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 414989951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 4150aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4151f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4152f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4153f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4154199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 4155199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 415633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 415733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4158199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 415933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 4160199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 41611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 416233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 416333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 4164491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis for (ObjCMethodDecl::param_const_iterator PI = Decl->param_begin(), 41657732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 4166491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis const ParmVarDecl *PVDecl = *PI; 41671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 41684306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 4169ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 4170ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 4171ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 4172bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 4173ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4174ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 4175ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4176dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForMethodParameter(PVDecl->getObjCDeclQualifier(), 4177dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson PType, S, Extended); 4178199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4179aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 418033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4181f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4182f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 418333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 418433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 4185c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 418683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 4187c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 4188c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 41891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 41901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 41911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 41921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 41931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 419483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 419583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 419683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 419783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 419883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 419983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 420083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 420183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 420283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 420383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 42040d4cb85130d91da61c45aecb9fd31c7097a7cfccBob Wilson/// kPropertyType = 'T' // followed by old-style type encoding. 420583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 420683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 420783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 420883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 420983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 42101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 4211c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 42124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4213c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 4214c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 4215c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 4216c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4217c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 4218c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 42191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 4220c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 4221c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 422217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->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 } 4232c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4233c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 423461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 4235c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 423617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 4237653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4238c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4239c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4240c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4241c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4242c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4243c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4244c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4245c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 42461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4247c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4248c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4249c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4250c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4251c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 4252c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4253c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 4254090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 4255090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 42561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 4257090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 4258090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 4259c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4260c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 4261c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 4262c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4263c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 4264c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 4265c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 42661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 42673a02b44e3948f7762dbfba94b7961281ca29d022Fariborz Jahanian case ObjCPropertyDecl::Weak: S += ",W"; break; 4268c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4269c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4270c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4271c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 4272c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 4273c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 4274c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 4275c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4276090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 4277090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 42781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4279c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 4280c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 4281077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 4282c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4283c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4284c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 4285c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 4286077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 4287c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4288c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4289c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 4290c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 4291c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 429239f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 4293c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4294c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4295c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 4296c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 4297c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4298a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 42991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 43001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 4301a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 4302a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 4303a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 43048e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 4305183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 43064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 4307a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 43081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 43094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4310a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4311a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4312a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4313a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4314a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 43157d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 43164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 431782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 431882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 431982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 432082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 43211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 43225b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 432382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 432482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 432564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 432664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 4327b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unhandled builtin type kind"); 432864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 432964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 433064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 433164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 433264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 433364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 433464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 43354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 433664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 433764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 433864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 433964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 434064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 43413f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 43423f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 434364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 434464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 43454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 434664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 434764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 434864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 434964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 43503a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 435164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 435264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 435364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 43545471bc85b69912e3b448de004498a80c0de32296Douglas Gregorstatic char ObjCEncodingForEnumType(const ASTContext *C, const EnumType *ET) { 43555471bc85b69912e3b448de004498a80c0de32296Douglas Gregor EnumDecl *Enum = ET->getDecl(); 43565471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 43575471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of an non-fixed enum type is always 'i', regardless of size. 43585471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (!Enum->isFixed()) 43595471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return 'i'; 43605471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 43615471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of a fixed enum type matches its fixed underlying type. 43625471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return ObjCEncodingForPrimitiveKind(C, Enum->getIntegerType()); 43635471bc85b69912e3b448de004498a80c0de32296Douglas Gregor} 43645471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 43654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 436664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 4367a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith assert(FD->isBitField() && "not a bitfield - getObjCEncodingForTypeImpl"); 43688b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 436964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 437064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 437164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 437264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 437364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 437464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 437564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 437664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 437764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 437864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 437964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 438064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 438164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 438264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 438364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 43844e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!Ctx->getLangOpts().NeXTRuntime) { 438564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 438664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 438782905749d5c8d8b4edec11de754a73349cb96603Eli Friedman S += llvm::utostr(RL.getFieldOffset(FD->getFieldIndex())); 43885471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) 43895471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(Ctx, ET); 4390c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 43914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 439264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 4393a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith S += llvm::utostr(FD->getBitWidthValue(*Ctx)); 43948b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 43958b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 439601eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 439782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 439882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 439982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4400153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4401090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 44022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool EncodingProperty, 4403dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool StructField, 4404dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool EncodeBlockParameters, 4405dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool EncodeClassNames) const { 440664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4407ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 440864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 440964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4410ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4411ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4413183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4414c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 44151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4416c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4417ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4418ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 441960bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4420aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4421aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 44226217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 44238d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 44248d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 44258d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 44268d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4427aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4428aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4429aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4430aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4431aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4432a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4433a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4434a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4435a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 44361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 44378e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4438a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4439a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4440a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4441a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 44429fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4443a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 44446217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 44456217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4446a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4447a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4448a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4449a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4450a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4451a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4452a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4453a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4454a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 44555f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(S).endswith("nr")) 44560237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4457a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 44581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 445985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 446085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 446185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4462e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 446385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 446485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 446585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 44666217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 44679533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 44689533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 44699533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 44709533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 44719533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 44729533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 44739533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 44749533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 44759533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 44769533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 44779533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 447885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 447985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4480a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4481a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 44821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 448343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4484ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4485ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4486aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4487ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4488ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4489ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 44902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (isa<IncompleteArrayType>(AT) && !StructField) { 4491559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4492559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4493559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 44941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4495559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4496559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4497559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 44981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 45002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (getTypeSize(CAT->getElementType()) == 0) 45012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '0'; 45022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis else 45032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += llvm::utostr(CAT->getSize().getZExtValue()); 45042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 4505559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 45062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert((isa<VariableArrayType>(AT) || isa<IncompleteArrayType>(AT)) && 45072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Unknown array type!"); 4508559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4509559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 45101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4512559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4513559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4514559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4515ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4516ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4518183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4519c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4520ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4521ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45236217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 452482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4525d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4526502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4527502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4528502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 45296fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 45306fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 45316fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 45326fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 45336fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4534910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4535910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 453630c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor (*this).getPrintingPolicy()); 45376fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 45386fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 45396fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4540502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4541502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4542502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 45430d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 45447d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 45452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->isUnion()) { 45462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(RDecl, S, FD); 45472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 45482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 45492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 45502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field) { 45512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 45522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 45532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += Field->getNameAsString(); 45542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 45552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Special case bit-fields. 45582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (Field->isBitField()) { 45592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 45602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis (*Field)); 45612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 45622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = Field->getType(); 45632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 45642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, 45652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FD, /*OutermostType*/false, 45662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 45672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 45682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 4569d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 45707d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 45716de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4572d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4573ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4574ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4575e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 45765471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) { 45778b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 457864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 45798b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 45805471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(this, ET); 4581ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4582ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4584dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (const BlockPointerType *BT = T->getAs<BlockPointerType>()) { 458521a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4586dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (EncodeBlockParameters) { 4587dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson const FunctionType *FT = BT->getPointeeType()->getAs<FunctionType>(); 4588dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson 4589dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson S += '<'; 4590dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Block return type 4591dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeImpl(FT->getResultType(), S, 4592dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson ExpandPointedToStructures, ExpandStructures, 4593dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson FD, 4594dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* OutermostType */, 4595dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodingProperty, 4596dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* StructField */, 4597dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeBlockParameters, 4598dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeClassNames); 4599dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Block self 4600dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson S += "@?"; 4601dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Block parameters 4602dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(FT)) { 4603dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson for (FunctionProtoType::arg_type_iterator I = FPT->arg_type_begin(), 4604dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson E = FPT->arg_type_end(); I && (I != E); ++I) { 4605dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeImpl(*I, S, 4606dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson ExpandPointedToStructures, 4607dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson ExpandStructures, 4608dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson FD, 4609dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* OutermostType */, 4610dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodingProperty, 4611dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* StructField */, 4612dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeBlockParameters, 4613dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeClassNames); 4614dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson } 4615dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson } 4616dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson S += '>'; 4617dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson } 4618ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4619ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4621c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4622c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4623c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4624c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 46250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 462643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 46270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 462843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 462943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 463043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 463143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 4632db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVector<const ObjCIvarDecl*, 32> Ivars; 46332c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 46342c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 4635db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose const FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 46362c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 46372c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 463843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 46392c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 464043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 464143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4642ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 464343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 46441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4645183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 464614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 464714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 464814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4649ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 465127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 465227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 465327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 465427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 465514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 465614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4657ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4659ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 46601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 466114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 466214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 4663dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (FD || EncodingProperty || EncodeClassNames) { 466414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 466514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 466614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 466767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 466867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 466914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 467014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 467114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 467214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 467314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 467414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 467514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4676ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4678ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4679ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4680ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4681ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 46821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4683ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4684ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 46851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 46861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4687ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 468814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 468914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4690ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4691ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 4692dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (OPT->getInterfaceDecl() && 4693dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson (FD || EncodingProperty || EncodeClassNames)) { 4694ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 469527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 469667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 469767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4698ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4699ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4700ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 47011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4702ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4703ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4704ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4705ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 47061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4707532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4708532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4709532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4710532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4711e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4712e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4713e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4714e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4715e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4716e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4717e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4718e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4719b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("@encode for type not implemented!"); 472085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 472185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 47222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidisvoid ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl, 47232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string &S, 47242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const FieldDecl *FD, 47252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool includeVBases) const { 47262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(RDecl && "Expected non-null RecordDecl"); 47272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(!RDecl->isUnion() && "Should not be called for unions"); 47282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->getDefinition()) 47292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis return; 47302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(RDecl); 47322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *> FieldOrBaseOffsets; 47332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const ASTRecordLayout &layout = getASTRecordLayout(RDecl); 47342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 47362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 47372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->bases_begin(), 47382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->bases_end(); BI != BE; ++BI) { 47392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!BI->isVirtual()) { 47402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4741829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4742829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 47432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getBaseClassOffsetInBits(base); 47442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 47452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 47462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis unsigned i = 0; 47512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 47522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 47532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field, ++i) { 47542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getFieldOffset(i); 47552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 47562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, *Field)); 47572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec && includeVBases) { 47602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 47612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->vbases_begin(), 47622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->vbases_end(); BI != BE; ++BI) { 47632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4764829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4765829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 47662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getVBaseClassOffsetInBits(base); 476719aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis if (FieldOrBaseOffsets.find(offs) == FieldOrBaseOffsets.end()) 476819aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.end(), 476919aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis std::make_pair(offs, base)); 47702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CharUnits size; 47742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 47752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = includeVBases ? layout.getSize() : layout.getNonVirtualSize(); 47762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 47772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = layout.getSize(); 47782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 47802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t CurOffs = 0; 47812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *>::iterator 47822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurLayObj = FieldOrBaseOffsets.begin(); 47832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 4784cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis if ((CurLayObj != FieldOrBaseOffsets.end() && CurLayObj->first != 0) || 4785cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis (CurLayObj == FieldOrBaseOffsets.end() && 4786cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis CXXRec && CXXRec->isDynamicClass())) { 47872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CXXRec && CXXRec->isDynamicClass() && 47882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Offset 0 was empty but no VTable ?"); 47892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 47902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "\"_vptr$"; 47912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string recname = CXXRec->getNameAsString(); 47922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (recname.empty()) recname = "?"; 47932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += recname; 47942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 47952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "^^?"; 47972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(VoidPtrTy); 47982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 47992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->hasFlexibleArrayMember()) { 48012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Mark the end of the structure. 48022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = toBits(size); 48032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 48042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, (NamedDecl*)0)); 48052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (; CurLayObj != FieldOrBaseOffsets.end(); ++CurLayObj) { 48082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CurOffs <= CurLayObj->first); 48092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurOffs < CurLayObj->first) { 48112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t padding = CurLayObj->first - CurOffs; 48122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // FIXME: There doesn't seem to be a way to indicate in the encoding that 48132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // packing/alignment of members is different that normal, in which case 48142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // the encoding will be out-of-sync with the real layout. 48152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // If the runtime switches to just consider the size of types without 48162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // taking into account alignment, we could make padding explicit in the 48172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // encoding (e.g. using arrays of chars). The encoding strings would be 48182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // longer then though. 48192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += padding; 48202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis NamedDecl *dcl = CurLayObj->second; 48232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (dcl == 0) 48242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis break; // reached end of structure. 48252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRecordDecl *base = dyn_cast<CXXRecordDecl>(dcl)) { 48272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // We expand the bases without their virtual bases since those are going 48282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // in the initial structure. Note that this differs from gcc which 48292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // expands virtual bases each time one is encountered in the hierarchy, 48302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // making the encoding type bigger than it really is. 48312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(base, S, FD, /*includeVBases*/false); 4832829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis assert(!base->isEmpty()); 4833829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis CurOffs += toBits(getASTRecordLayout(base).getNonVirtualSize()); 48342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 48352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldDecl *field = cast<FieldDecl>(dcl); 48362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 48372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 48382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += field->getNameAsString(); 48392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 48402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (field->isBitField()) { 48432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis EncodeBitField(this, S, field->getType(), field); 4844a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith CurOffs += field->getBitWidthValue(*this); 48452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 48462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = field->getType(); 48472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 48482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, FD, 48492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*OutermostType*/false, 48502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 48512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 48522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(field->getType()); 48532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis} 48572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4859ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4860ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4861ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4862ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4863ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4864ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4865ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4866ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4867ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4868ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4869ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4870ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4871ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4872ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4873ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4874ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4875b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 48761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4877b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4878b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4879b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 48804dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas GregorTypedefDecl *ASTContext::getObjCIdDecl() const { 48814dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor if (!ObjCIdDecl) { 48824dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor QualType T = getObjCObjectType(ObjCBuiltinIdTy, 0, 0); 48834dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor T = getObjCObjectPointerType(T); 48844dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor TypeSourceInfo *IdInfo = getTrivialTypeSourceInfo(T); 48854dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor ObjCIdDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 48864dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor getTranslationUnitDecl(), 48874dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor SourceLocation(), SourceLocation(), 48884dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor &Idents.get("id"), IdInfo); 48894dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor } 48904dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor 48914dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor return ObjCIdDecl; 48927e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 48937e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 48947a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas GregorTypedefDecl *ASTContext::getObjCSelDecl() const { 48957a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor if (!ObjCSelDecl) { 48967a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor QualType SelT = getPointerType(ObjCBuiltinSelTy); 48977a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor TypeSourceInfo *SelInfo = getTrivialTypeSourceInfo(SelT); 48987a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor ObjCSelDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 48997a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor getTranslationUnitDecl(), 49007a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor SourceLocation(), SourceLocation(), 49017a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor &Idents.get("SEL"), SelInfo); 49027a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor } 49037a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor return ObjCSelDecl; 4904b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4905b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 490679d6726921897811232554ed94c5d77b5b7b3fc0Douglas GregorTypedefDecl *ASTContext::getObjCClassDecl() const { 490779d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor if (!ObjCClassDecl) { 490879d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor QualType T = getObjCObjectType(ObjCBuiltinClassTy, 0, 0); 490979d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor T = getObjCObjectPointerType(T); 491079d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor TypeSourceInfo *ClassInfo = getTrivialTypeSourceInfo(T); 491179d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor ObjCClassDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 491279d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor getTranslationUnitDecl(), 491379d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor SourceLocation(), SourceLocation(), 491479d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor &Idents.get("Class"), ClassInfo); 491579d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor } 491679d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor 491779d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor return ObjCClassDecl; 4918a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor} 4919a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor 4920a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas GregorObjCInterfaceDecl *ASTContext::getObjCProtocolDecl() const { 4921a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor if (!ObjCProtocolClassDecl) { 4922a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor ObjCProtocolClassDecl 4923a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor = ObjCInterfaceDecl::Create(*this, getTranslationUnitDecl(), 4924a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor SourceLocation(), 4925a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor &Idents.get("Protocol"), 4926a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor /*PrevDecl=*/0, 4927a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor SourceLocation(), true); 4928a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor } 4929a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor 4930a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor return ObjCProtocolClassDecl; 49318baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 49328baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4933a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 49341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 49352198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 49361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4937a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 49382198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 49392198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 49400bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 49410bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 49424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 49434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 49444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 49450bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 49460bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 49477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49480bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 49490bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 49500bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 49510bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 49520bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4953eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 49540bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 49550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 49560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 49570bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 49580bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 49597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 49607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49610bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 49627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 49637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4964d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4965d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 49664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 49674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 49684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 49694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 49700f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 49710f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4972789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4973d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4974d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 49751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4976d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4977d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 49780bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4979d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4980d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4981d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4982d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 49831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4984d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4985d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4986d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 49877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 49887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 49894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 49904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 49914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 49921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 49933b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 49947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 49967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 49977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 49987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 49997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 50007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 50017532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 50027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 50037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 50047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 50057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 50067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 50077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 50087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 50097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 50107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 5011789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 5012789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 5013789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 5014789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 50157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 50167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 50177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 50187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 50197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 50207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 5021ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 5022ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 5023ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 5024ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 50254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 5026ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 5027ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 5028ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5029ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 5030ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 5031ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5032ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 5033789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 5034789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 5035ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5036ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 5037ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 5038ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5039ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 5040ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 5041ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 5042ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 5043ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 5044ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 5045789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 5046789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 5047789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 5048789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 5049789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 5050ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 5051ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5052ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 5053ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 5054ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 5055ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 50561aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 5057146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallASTContext::getSubstTemplateTemplateParm(TemplateTemplateParmDecl *param, 5058146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateName replacement) const { 5059146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm::FoldingSetNodeID ID; 5060146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage::Profile(ID, param, replacement); 5061146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5062146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall void *insertPos = 0; 5063146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 5064146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = SubstTemplateTemplateParms.FindNodeOrInsertPos(ID, insertPos); 5065146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5066146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall if (!subst) { 5067146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall subst = new (*this) SubstTemplateTemplateParmStorage(param, replacement); 5068146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParms.InsertNode(subst, insertPos); 5069146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 5070146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5071146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return TemplateName(subst); 5072146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall} 5073146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5074146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallTemplateName 50751aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 50761aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 50771aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 50781aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 50791aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 50801aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 50811aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 50821aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 50831aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 50841aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 50851aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 5086146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall Subst = new (*this) SubstTemplateTemplateParmPackStorage(Param, 50871aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 50881aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 50891aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 50901aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 50911aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 50921aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 50931aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 50941aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 5095b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 5096d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 5097d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 5098e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 5099b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 5100e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 5101b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 5102b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 5103b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 5104b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 5105b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 5106b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 5107b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 5108b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 5109b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 5110b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 5111b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unhandled TargetInfo::IntType value"); 5112b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 5113b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 5114b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 5115b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 5116b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 5117b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 51184fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 51194fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 51204fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 5121ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 51224e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().getGC() == LangOptions::NonGC) 5123ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 5124ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 51254e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie assert(getLangOpts().ObjC1); 5126ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 5127ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 5128ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 5129ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 5130ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 5131ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 5132ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 5133ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 5134ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 5135ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 5136ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 5137ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 5138ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 5139ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 5140ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 5141ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 5142ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 5143ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 5144ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 51454fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 5146b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 51474fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 51484fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 51496ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 51506ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 51516ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 5152770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 51531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 51546ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 51556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 51566ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 5157467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 51586ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 515961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 51606ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 51616ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5162255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 5163255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 5164255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 5165255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 5166255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5167255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 5168255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 5169255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5170f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 5171f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 5172255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 5173255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 5174f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 5175255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 5176f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 5177f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 5178f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 5179f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 5180255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 5181255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5182255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 5183255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 5184255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 51854084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 51864084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 51874084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 51884084c306635b70f37029dca938444e6013f08684Steve Naroff 51894084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 51904084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 51914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 51924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 51934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 51943fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor if (declaresSameEntity(lProto, rProto)) 519514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 51964084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 51974084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 51984084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 51994084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 52004084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 52014084c306635b70f37029dca938444e6013f08684Steve Naroff} 520214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 52034084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 52044084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 52054084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 52064084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 52074084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 52084084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 52094084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 52104084c306635b70f37029dca938444e6013f08684Steve Naroff} 52114084c306635b70f37029dca938444e6013f08684Steve Naroff 5212a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 5213a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 5214a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 5215a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 5216a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 5217a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 5218a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 5219a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5220a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 5221a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 5222a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 5223a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 5224a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 5225a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 5226a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5227a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 5228a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 5229a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 5230a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5231a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5232a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 5233a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 5234a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5235a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 5236a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 5237a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 52384084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 52394084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 52404084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 52414084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 52424084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 52431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 52444084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 52454084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 52461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 52474084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 52484084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 52494084c306635b70f37029dca938444e6013f08684Steve Naroff 52504084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 5251183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 52521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52534084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 52541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52554084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 52561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 52574084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 52584084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 52594084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 52604084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 52614084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 52624084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 52634084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 52640fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 52654084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 52664084c306635b70f37029dca938444e6013f08684Steve Naroff } 52674084c306635b70f37029dca938444e6013f08684Steve Naroff } 52684084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 52694084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 52704084c306635b70f37029dca938444e6013f08684Steve Naroff } 52711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 52724084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 52734084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 52744084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 52754084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 5276de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 5277de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 5278de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 5279de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 52804084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 52814084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 52824084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 52834084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 52844084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 52854084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 52868f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 52878f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 5288de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 52891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 52904084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 52914084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 52924084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 52934084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 52944084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 52954084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 52964084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 52970fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 52984084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 52994084c306635b70f37029dca938444e6013f08684Steve Naroff break; 53004084c306635b70f37029dca938444e6013f08684Steve Naroff } 53014084c306635b70f37029dca938444e6013f08684Steve Naroff } 53024084c306635b70f37029dca938444e6013f08684Steve Naroff } 53034084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 5304de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 5305de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 53061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5307de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 5308de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 53091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53104084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 53114084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 53124084c306635b70f37029dca938444e6013f08684Steve Naroff 53131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 53144084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 5315de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 53164084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 53174084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 53184084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 53194084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 53204084c306635b70f37029dca938444e6013f08684Steve Naroff 5321de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 53224084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 53234084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 5324de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 5325de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 53264084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 53274084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 53284084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 53294084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 53304084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 53314084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 53324084c306635b70f37029dca938444e6013f08684Steve Naroff break; 53334084c306635b70f37029dca938444e6013f08684Steve Naroff } 53344084c306635b70f37029dca938444e6013f08684Steve Naroff } 53354084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 53364084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 53374084c306635b70f37029dca938444e6013f08684Steve Naroff } 5338de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 5339de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 5340de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 5341de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 5342de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5343de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 5344de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 5345de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 5346de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 5347de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 5348de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5349de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5350de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 5351de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 5352de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 5353de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 5354de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 5355de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 5356de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5357de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 5358de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 5359de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 5360de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 5361de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5362de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5363de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 5364de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5365de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5366de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 53674084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 53684084c306635b70f37029dca938444e6013f08684Steve Naroff } 53694084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 53704084c306635b70f37029dca938444e6013f08684Steve Naroff} 53714084c306635b70f37029dca938444e6013f08684Steve Naroff 53724084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 53734084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 53744084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 53754084c306635b70f37029dca938444e6013f08684Steve Naroff/// 53764084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 53774084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 5378c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5379c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5380c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 53814084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 5382c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 5383c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 53844084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 53854084c306635b70f37029dca938444e6013f08684Steve Naroff 5386c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 53871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 53881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 53894084c306635b70f37029dca938444e6013f08684Steve Naroff false); 5390a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5391a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 5392a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 5393a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 5394a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5395c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 5396c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 53974084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 53981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53994084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 540014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 540114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5402132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 5403fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// for providing type-safety for objective-c pointers used to pass/return 5404132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 5405132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 5406132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 5407132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 5408132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5409a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5410a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 5411a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 5412132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5413132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5414132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 5415132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 5416132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5417132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5418a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 5419132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 5420132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 5421132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 5422132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5423132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 5424132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 5425132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 5426132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 5427132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 5428a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 5429132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 5430a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 5431132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5432132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 5433132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5434132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5435132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 5436132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5437132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5438e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 5439e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 5440e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 5441e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 5442e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 5443e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 5444e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5445e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 54465f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 5447e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5448c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5449c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5450c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 5451c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 5452e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5453e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 5454e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 5455e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 5456e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 5457e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5458432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5459c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 5460c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 5461e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 5462e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 5463e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5464e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5465e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 5466e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 5467cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 5468cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 5469e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 5470e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 5471e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 54723060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 5473432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 5474c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 5475c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 5476432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5477432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 5478432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 5479432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 5480432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 5481e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5482e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 5483e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5484db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 5485db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 5486db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 5487db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 5488db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 5489c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 5490c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 5491c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 5492c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 5493c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 5494c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 549560ef308e51c71b760d7f598c1b763ceb7b768148Douglas Gregor if (!LDecl || !RDecl || (declaresSameEntity(LDecl, RDecl))) 5496db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5497db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 54987c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian do { 5499c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 5500e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 55015f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl *, 8> Protocols; 5502c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 5503c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5504c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 5505c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 5506c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 5507c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 5508c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 5509e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 55107c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian } while ((LDecl = LDecl->getSuperClass())); 5511db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5512db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5513db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 5514db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5515c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 5516c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 5517c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 5518c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 5519c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 55206ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 55216ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 5522c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 55236ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 55241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55256ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 55266ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 5527c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 55286ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 55291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5530b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5531b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5532b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5533b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5534b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5535b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5536627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5537627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5538627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5539b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5540b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5541b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5542b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5543b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5544627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5545b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5546b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5547b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5548b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5549b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5550b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5551b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5552b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5553b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5554b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5555b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5556b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5557b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5558b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5559b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5560b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5561b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5562b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5563b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5564b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5565b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5566b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5567b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5568b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5569b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5570b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 55711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5572c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5573c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 557491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 557591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 557691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 557791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 557891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5579c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5580c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 55818f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 55828f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 558391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 55848f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 55858f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 558691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 558791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 558891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 558991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 559091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 559191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 559291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 55936ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 55946ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5595389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5596389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5597183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5598183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 55991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 560014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5601389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 560214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 560314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 560414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5605389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5606389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5607569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5608569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5609569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5610569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5611569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5612569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 56131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5614ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 56151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5616ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5617447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5618447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 56194e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) 56200e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 56210e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5622447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 56233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 56243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5625c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanianbool ASTContext::propertyTypesAreCompatible(QualType LHS, QualType RHS) { 562682378391dfc3b2fc22f63dbf1552bd9aed39dc42Fariborz Jahanian return typesAreCompatible(LHS, RHS); 5627c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian} 5628c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian 5629132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5630132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5631132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5632132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 56334846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 56344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 56354846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 56364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 56374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 56384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 56394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 56404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 56414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 56424846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 56434846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5644f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 56454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 56464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 56474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 56484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 56494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 56504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 56514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 56524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 56534846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 56544846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 56554846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 56564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 56574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 56584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 56594846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 56604846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 56614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 56624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 56634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 56644846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 56654846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 56664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 56674846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 56684846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 56694846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 56704846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 56714846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 56724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 56734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 56744846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 56754846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5676132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5677447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5678447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5679183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5680183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 568172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 568272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 56833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 56843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 56853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5687132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5688d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5689d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5690d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5691d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5692d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5693d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5694a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 5695d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5696132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 56978cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 56988cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 56993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5700447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5701447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5702447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5703447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5704447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5705447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5706447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5707447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5708447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5709447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5710447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5711447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 571261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5713447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 571461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 57158cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 57166a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 57176a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 57186a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 57196a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5720264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5721264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 57228cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 57238cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 57248cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 57258cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 57268cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 57278cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 5728a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 5729a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 57308cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 57318cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 57328cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 5733f85e193739c953358c865005855253af4f68a497John McCall if (lbaseInfo.getProducesResult() != rbaseInfo.getProducesResult()) 5734f85e193739c953358c865005855253af4f68a497John McCall return QualType(); 5735f85e193739c953358c865005855253af4f68a497John McCall 573653c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian // functypes which return are preferred over those that do not. 573753c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian if (lbaseInfo.getNoReturn() && !rbaseInfo.getNoReturn()) 57386a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 573953c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian else if (!lbaseInfo.getNoReturn() && rbaseInfo.getNoReturn()) 57406a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 574153c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 574253c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 57431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5744f85e193739c953358c865005855253af4f68a497John McCall FunctionType::ExtInfo einfo = lbaseInfo.withNoReturn(NoReturn); 5745e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 57463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5747465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5748465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 57493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 57503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 57513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 57533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 57543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 57573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 57583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57607fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 57617fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 57627fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 576378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (LangOpts.ObjCAutoRefCount && 576478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian !FunctionTypesMatchOnNSConsumedAttrs(rproto, lproto)) 576578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return QualType(); 576678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 57673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 57685f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 10> types; 57693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 57703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 57713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 57724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 57734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 57744846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 57753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5776447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5777447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5778447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5779447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 57803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5781447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5782447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5783447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5784447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5785447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 578661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 578761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 578861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 578961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 57903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 579178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 57923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 57933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5794e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5795e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5796e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5797e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 57983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 57993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 58013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 58023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 580372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 58043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5805465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 58063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 58073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 58083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 58093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 58103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 58113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 58123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 58133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 58143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5815b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5816b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5817b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5818b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5819b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5820b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 58213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 58223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 58233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 58273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5828e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5829e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5830e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 58313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5832e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 58333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 58363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 58378cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 58383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 58393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5840132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5841447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5842a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 584343d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 584443d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 584543d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 58467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 58477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 58480e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 58490e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5850447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5851447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5852447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5853447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5854447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 58550e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 58563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 58573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 58583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5859f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 58603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 58613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 58623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5864a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5865a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 58660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 58670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 58680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 58690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 5870f85e193739c953358c865005855253af4f68a497John McCall LQuals.getAddressSpace() != RQuals.getAddressSpace() || 5871f85e193739c953358c865005855253af4f68a497John McCall LQuals.getObjCLifetime() != RQuals.getObjCLifetime()) 58720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 58730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 58750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 58760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 58770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 58780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 58790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 58800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 58810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 58820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 58840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 58850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 58870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 58880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 58890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 58900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 58910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 58923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 58940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 58963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5897852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5898852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5899f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 59001adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 59011adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 59021adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 59031adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 59044c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 59054c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5906a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5907a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5908a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5909a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 59101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5911c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5912c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5913c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5914c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5915213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5916213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5917213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 59181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 59194e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 59204e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 59211adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 59221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5923842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5924842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5925183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 5926b918d6b1f794266e126e5445d69233462087d764Fariborz Jahanian QualType TINT = ETy->getDecl()->getIntegerType(); 5927b918d6b1f794266e126e5445d69233462087d764Fariborz Jahanian if (!TINT.isNull() && hasSameType(TINT, RHSCan.getUnqualifiedType())) 59283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5929bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5930183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 5931b918d6b1f794266e126e5445d69233462087d764Fariborz Jahanian QualType TINT = ETy->getDecl()->getIntegerType(); 5932b918d6b1f794266e126e5445d69233462087d764Fariborz Jahanian if (!TINT.isNull() && hasSameType(TINT, LHSCan.getUnqualifiedType())) 59333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5934bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5935e7cff2c00c3d74e38984a4db5c48d7e303d3ab8eFariborz Jahanian // allow block pointer type to match an 'id' type. 5936419636316c04d570c183b4797fc811932c588358Fariborz Jahanian if (OfBlockPointer && !BlockReturnType) { 5937419636316c04d570c183b4797fc811932c588358Fariborz Jahanian if (LHS->isObjCIdType() && RHS->isBlockPointerType()) 5938419636316c04d570c183b4797fc811932c588358Fariborz Jahanian return LHS; 5939419636316c04d570c183b4797fc811932c588358Fariborz Jahanian if (RHS->isObjCIdType() && LHS->isBlockPointerType()) 5940419636316c04d570c183b4797fc811932c588358Fariborz Jahanian return RHS; 5941419636316c04d570c183b4797fc811932c588358Fariborz Jahanian } 5942e7cff2c00c3d74e38984a4db5c48d7e303d3ab8eFariborz Jahanian 59433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5944ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 59453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 59464a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 59471adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 594872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 594972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5950ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 595172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 595272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 595372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 5954b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Non-canonical and dependent types shouldn't get here"); 595572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 59567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 59577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 595872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 5959b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("C++ should never be in mergeTypes"); 596072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5961c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 596272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 596372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 596472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 596572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 5966b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Types are eliminated above"); 596772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 59681adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 59693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 59703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 59716217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 59726217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5973447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5974447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5975447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5976447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5977447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5978447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 59793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 598007d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 598161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 598207d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 598361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 59843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 59853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5986c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5987c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5988c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 59896217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 59906217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5991447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5992447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5993447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5994447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5995447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5996447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5997c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5998c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5999c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 6000c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 6001c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 6002c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 6003c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 6004b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: 6005b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman { 6006b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Merge two pointer types, while trying to preserve typedef info 6007b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType LHSValue = LHS->getAs<AtomicType>()->getValueType(); 6008b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType RHSValue = RHS->getAs<AtomicType>()->getValueType(); 6009b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (Unqualified) { 6010b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman LHSValue = LHSValue.getUnqualifiedType(); 6011b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman RHSValue = RHSValue.getUnqualifiedType(); 6012b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 6013b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType ResultType = mergeTypes(LHSValue, RHSValue, false, 6014b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Unqualified); 6015b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (ResultType.isNull()) return QualType(); 6016b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (getCanonicalType(LHSValue) == getCanonicalType(ResultType)) 6017b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return LHS; 6018b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (getCanonicalType(RHSValue) == getCanonicalType(ResultType)) 6019b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return RHS; 6020b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return getAtomicType(ResultType); 6021b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 60221adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 60233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 60243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 60253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 60263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 60273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 60283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 60293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 60303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 6031447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 6032447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 6033447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 6034447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 6035447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 6036447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 60373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 603861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 603961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 604061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 604161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 60423bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 60433bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 60443bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 60453bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 60463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 60473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 604861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 604961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 605061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 605161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 60523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 60533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 60543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 60553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 60563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 60573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 60583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 60593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 60603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 60613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 60623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 60633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 60643bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 60653bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 60667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 60677e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 60683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 60691adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 6070447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 607172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 607272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 60733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 60741adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 60753cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 60763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 607764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 607864cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 607964cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 60803cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 60815a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 60821c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 60831c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 60843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 608561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 6086c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 6087c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 60885a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 60895a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 6090c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 6091c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 6092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 60935fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 60945fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 60953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 609661490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 609714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 6098132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 6099132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 6100132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 6101a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 6102a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 61037530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie return LHS; 6104132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 6105132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 6106183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 6107183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 610814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 610914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 6110bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 61117530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie } 6112ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 611372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 61147530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie llvm_unreachable("Invalid Type::Class!"); 6115ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 61167192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 611778213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanianbool ASTContext::FunctionTypesMatchOnNSConsumedAttrs( 611878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian const FunctionProtoType *FromFunctionType, 611978213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian const FunctionProtoType *ToFunctionType) { 612078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromFunctionType->hasAnyConsumedArgs() != 612178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToFunctionType->hasAnyConsumedArgs()) 612278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return false; 612378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FunctionProtoType::ExtProtoInfo FromEPI = 612478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FromFunctionType->getExtProtoInfo(); 612578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FunctionProtoType::ExtProtoInfo ToEPI = 612678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToFunctionType->getExtProtoInfo(); 612778213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromEPI.ConsumedArguments && ToEPI.ConsumedArguments) 612878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian for (unsigned ArgIdx = 0, NumArgs = FromFunctionType->getNumArgs(); 612978213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ArgIdx != NumArgs; ++ArgIdx) { 613078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromEPI.ConsumedArguments[ArgIdx] != 613178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToEPI.ConsumedArguments[ArgIdx]) 613278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return false; 613378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian } 613478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return true; 613578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian} 613678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 61372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 61382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 61392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 61402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 61412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 61422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 61432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 61442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 61452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 61462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 61472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 61482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 61502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 61512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 61522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 61532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 61542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 61552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 61562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 61582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 61592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 61602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 61612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 6162e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 6163e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 61642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 61652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 6166e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 61672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 61682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 61692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 61702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 61722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 61742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 61752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 61762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 61772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 61782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 61792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 61802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 61832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 61842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 61852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 61862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 61872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 61882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 61892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 61902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 61922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 61942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 61952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 61962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 61972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 61982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 61992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 62002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 62012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 62022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 62032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 62042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 62052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 62062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 62072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 62082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 62092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 62102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 62112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 62122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 62135426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 6214ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 6215ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 621688054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 62174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 6218f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 621929a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 62201274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 62211274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 6222f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 6223ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 6224ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6225ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 6226ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 6227f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 62286a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 62296a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 62306a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 62316a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 6232e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 62336a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 62346a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 62356a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 6236ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 62376a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 62386a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 62396a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 6240ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 6241ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 6242ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 6243ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 6244ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 6245ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 6246ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 6247ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 6248ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 6249ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 6250ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 6251ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 62522df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 62532df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 6254ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 6255b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unexpected signed integer type"); 6256ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 6257ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6258ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 62597b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 62607b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 626186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 626286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 626386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 626486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 626586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 626686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 626733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 626833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 626933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 627033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 627114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 627214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 627314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 62744ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 627586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 627614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 627733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 627886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 627986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 628086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 628114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 6282393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 628333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 628486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 628586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 628686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 62871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 6288393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 628914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 6290393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 629186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 629286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 629386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 629486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 629586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 629686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 629786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 629886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 629986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 630086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 630186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 630286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 630386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 630486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 630586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 630686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 630786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 630886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 63091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 631086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 631186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 6312b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown builtin type letter!"); 631386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 631486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 631586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 631686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 631786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 631886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 631986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 632086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 632186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 632286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 632386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 632486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 632586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 632686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 632786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 632886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 632986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 633086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 633186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 633286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 633386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 633486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 633586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 633686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 633786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 633886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 633986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 634086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 634186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 634286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 634386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 634486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 634586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 634686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 634786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 634886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 634986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 635086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 635186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 635286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 635386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 635486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 635586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 635686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 635786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 635886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 635986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 636086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 636186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 636286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 636386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 636486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 636586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 636686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 636786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 6368ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 6369ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 6370ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 6371ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 6372ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 6373ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 637486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 637586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 637686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 637786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 637886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 637986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 638086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 638186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 638286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 638386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 638486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 638586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 638686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 638786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 638886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 638914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 639086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 639114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 639286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 639386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 639486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 639586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 639686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 639786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 639886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 63991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 640014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 640114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 640214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 640333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 640433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 6405788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 6406e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 640786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 640886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6409d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 641014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 641114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 641214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 6413d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 6414d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 6415cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 6416cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian case 'Y' : { 6417cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian Type = Context.getPointerDiffType(); 6418cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian break; 6419cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 64209a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 6421c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 6422c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 6423f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 642486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 642586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6426fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 64279a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 6428f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 6429782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 6430f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 6431f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 6432f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 6433fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 6434f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 6435fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 6436fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6437fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 6438e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola case 'K': 6439e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'K'!"); 6440e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola Type = Context.getucontext_tType(); 6441e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola 6442e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola if (Type.isNull()) { 6443e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola Error = ASTContext::GE_Missing_ucontext; 6444e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola return QualType(); 6445e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola } 6446e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola break; 6447782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 64481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 644933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 645033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 645186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 6452187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 645333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 645433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 645533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 645633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 645733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 645833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 645933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 646033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 646133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 646233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 646333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 646433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 646533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 646633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 646733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 646833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 646933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 647033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 647133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 647233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 647333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 647433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 647533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 647633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 647718932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek case 'R': 647818932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek Type = Type.withRestrict(); 647918932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek break; 648086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 648186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6482393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 648314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 6484393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 64851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 648686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 648786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 648886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 648986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 649033daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 649114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 64924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 649333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 64941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 64955f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 8> ArgTypes; 64961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 649714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 649886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 649914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 650014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 650186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 650286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 650314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 650414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 650514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 650686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 650714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 650886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 650986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 651086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 651114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 651214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 651314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 651414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 651514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 651686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 651786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 651886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 65191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 652086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 652186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 652286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 652386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 652486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 652586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 652600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 652700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 652800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 652900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 653000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 653100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 653200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 653300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 6534ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 6535e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 653600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 653700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 6538e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6539e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 654086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 6541a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 654290e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 654390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 654490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 654590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 654690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 654790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 654890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 654990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 655090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 655190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 655290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 655390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 655490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 655590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 655690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 655790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 655890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 655990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 656090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 656190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 656290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 656390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 656490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 656590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 656690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 656790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 656890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 656990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 657090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 657190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 65724e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 657390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 657490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 657590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 657690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 657790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 657890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 657990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 658090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 658190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 658290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 658390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 658490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 658590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 658690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 658790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 658890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 658990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 659090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 659190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 659290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 659390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 659490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 659590e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 659690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 659790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 659890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 659990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 660090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 660190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 660290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 660390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 66044e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (L == ExternalLinkage && getLangOpts().CPlusPlus && 660590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 660690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 660790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 660890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 660990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 661090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 661190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 661290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 661390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 661490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 661590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 661690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 661790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 661890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 661990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 662090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 662190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 662290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 662390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 662490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 662590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 662690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 662790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 662890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 662990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 663090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 663190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 66327530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie llvm_unreachable("Invalid Linkage!"); 663390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 663490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 66354ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 663690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 663790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 663890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 6639144b38a7995cbe0928e34fbcc865bb2d2be4f7a3Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 664090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 664190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6642ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6643ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6644ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6645ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 664690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 664790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 664890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 664990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 665090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 665190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 665210620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt if (!FD->doesThisDeclarationHaveABody()) 6653dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return FD->doesDeclarationForceExternallyVisibleDefinition(); 665490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 665590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 665690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 665790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 665890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 665990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 666090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 666190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 666290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 666390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 666490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 666590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 666690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 666790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 666890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 666990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 667090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 667190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 667290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 667390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 667490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 66753a5aca8112e03814f78906dc5d032287adb272b5Anton Yartsev Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 667690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 667790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 667890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 667994da1587f7d584fc61df793229d197969f204cd9Douglas Gregor 668090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 668190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 668290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6683ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6684ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6685ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 668690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 668790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 668890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 6689023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt // FIXME: Be more selective about which constructors we care about. 669090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 669190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6692023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() && 6693023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialCopyConstructor() && 6694023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialMoveConstructor() && 6695023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialDestructor())) 669690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 669790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 669890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 669990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 670090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 670190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 670290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 670390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 670490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 670590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 670690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 670790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6708071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6709ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6710ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6711ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6712ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6713ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 67144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6715dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6716dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6717dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6718dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 671914110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 6720bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor switch (Target->getCXXABI()) { 672114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 672214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 672314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 672414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 672514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 672614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 6727b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unsupported ABI"); 672814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 672914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6730071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6731ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6732ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremeneksize_t ASTContext::getSideTableAllocatedMemory() const { 67330c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek return ASTRecordLayouts.getMemorySize() 67340c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCLayouts) 67350c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(KeyFunctions) 67360c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCImpls) 67370c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(BlockVarCopyInits) 67380c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(DeclAttrs) 67390c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromStaticDataMember) 67400c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingDecl) 67410c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingShadowDecl) 67420c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUnnamedFieldDecl) 67430c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(OverriddenMethods) 67440c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(Types) 6745af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet + llvm::capacity_in_bytes(VariableArrayTypes) 67460d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet + llvm::capacity_in_bytes(ClassScopeSpecializationPattern); 6747ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek} 6748d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 67499e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregorunsigned ASTContext::getLambdaManglingNumber(CXXMethodDecl *CallOperator) { 67509e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor CXXRecordDecl *Lambda = CallOperator->getParent(); 67519e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor return LambdaMangleContexts[Lambda->getDeclContext()] 67529e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor .getManglingNumber(CallOperator); 67539e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor} 67549e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 67559e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 6756d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekvoid ASTContext::setParameterIndex(const ParmVarDecl *D, unsigned int index) { 6757d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek ParamIndices[D] = index; 6758d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 6759d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 6760d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekunsigned ASTContext::getParameterIndex(const ParmVarDecl *D) const { 6761d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek ParameterIndexTable::const_iterator I = ParamIndices.find(D); 6762d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek assert(I != ParamIndices.end() && 6763d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek "ParmIndices lacks entry set by ParmVarDecl"); 6764d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek return I->second; 6765d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 6766