ASTContext.cpp revision 74c730ad1f6818b676b0bad46d806a9176950328
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" 2319cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 241b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 25a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 27f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 296fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 30f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 3129445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 341827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructors; 351827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructorsDeclared; 36225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructors; 37225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructorsDeclared; 38a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperators; 39a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperatorsDeclared; 404923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructors; 414923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructorsDeclared; 424923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 473e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregorvoid 483e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::CanonicalTemplateTemplateParm::Profile(llvm::FoldingSetNodeID &ID, 493e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm) { 503e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getDepth()); 513e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getPosition()); 523e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // FIXME: Parameter pack 533e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 543e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = Parm->getTemplateParameters(); 553e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Params->size()); 563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { 603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(0); 613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddBoolean(TTP->isParameterPack()); 623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(1); 673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // FIXME: Parameter pack 683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddPointer(NTTP->getType().getAsOpaquePtr()); 693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); 733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(2); 743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Profile(ID, TTP); 753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 783e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorTemplateTemplateParmDecl * 793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::getCanonicalTemplateTemplateParmDecl( 803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP) { 813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Check if we already have a canonical template template parameter. 823e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSetNodeID ID; 833e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm::Profile(ID, TTP); 843e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void *InsertPos = 0; 853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm *Canonical 863e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (Canonical) 883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return Canonical->getParam(); 893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 903e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Build a canonical template parameter list. 913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = TTP->getTemplateParameters(); 923e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::SmallVector<NamedDecl *, 4> CanonParams; 933e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.reserve(Params->size()); 943e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 953e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 963e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) 983e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTypeParmDecl::Create(*this, getTranslationUnitDecl(), 1003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 1013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 1023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 1033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 1043e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) 1053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), NTTP->getDepth(), 1083e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor NTTP->getPosition(), 0, 1093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor getCanonicalType(NTTP->getType()), 1103e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 0)); 1113e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else 1123e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1163e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1173e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1183e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 1193e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getPosition(), 0, 1203e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1213e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1223e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1233e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1243e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1253e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1263e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1273e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1283e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1293e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1303e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1313e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1323e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1333e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1343e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1353e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1363e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 13761710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 138444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 139e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 1401b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 14163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 142ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 143ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 144006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 145006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 146782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 147083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 148bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 14963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor SourceMgr(SM), LangOpts(LOpts), Target(t), 1502e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 151ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 152ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 153ac9590effa90406767a544005ed1de52e258306bTed Kremenek ExternalSource(0), PrintingPolicy(LOpts), 154f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 155f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek UniqueBlockByRefTypeID(0), UniqueBlockParmTypeID(0) { 1560f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 1570f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 15863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 1591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 160e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 16114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 162e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 163e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 1653478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 1663478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 1673478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 1687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 16963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 17063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 17163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 1720054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1737d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 1747d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 1757d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 1767d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 1777d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 1783478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 179dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 18063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 18163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 18263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 18363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 18463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 18563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 18663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 18763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 188dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 189dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 190dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 191dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 192dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 193dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 194bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 195ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 1960054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 1970054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 1980054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 1990054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2012cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2022cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2032cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2042cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 209dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 211dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 212dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 213dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 214dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 215c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 218dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 221dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 222dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 223dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 224dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 225dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 226dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 227dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 228dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 229dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 2301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 231dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 232ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 2334923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 2341827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 2351827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 2361827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 237225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 238225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 239225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 240a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 241a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 242a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 2434923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 2444923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 2454923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 2462cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 2472cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 2482cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 2492cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 250ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 25163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 255e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 2566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 257e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 2586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 2631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 2661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 27015b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 29264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 2932df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 2942df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 2952df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 2962df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 2973a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 2983a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 2993a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 3003a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 30164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 302f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 303f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 304f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 305f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 306f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 307f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 308f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 309f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 310f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 311f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3128e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 313898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 314898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 315898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 316898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 317898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 318898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 319898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 320898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 3218e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 323e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 324e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 3308e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3317e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 3321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 333de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 334de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 335de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 33613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 339de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 340de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 34113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 34214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 343a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 34633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 3476e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 3486e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 3496e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 352251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 353663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 3547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 355663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 3567caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 3577caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 3587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 3617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 3627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 364251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 3659421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 3669421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 3677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 3687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 3697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 3707caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 371251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 3729421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 3737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 3747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 3757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 376ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 3777ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 378ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 379ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 3800d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 3811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3820d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 3830d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 3840d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 3850d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 386ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 387ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 388ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 389ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 390ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 391ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 392ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 393ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 394ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 395ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 396ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 397ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 398ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 399ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 400ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 401ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 402ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 403ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 404ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 405ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 406ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 407ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 408ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 409ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 4100d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4110d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 412d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 413d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 414d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 415d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 416d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 4171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 418d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 419d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 420d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 421d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 422d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 423d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 424d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 425d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 426d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 4271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 428d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 429d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 430d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 4317d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4327d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 4337d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4347d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4357d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4367d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4377d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4387d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 4397d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4407d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4417d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4427d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 4437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4447d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 4497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 451c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 452c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 453c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 454c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 455c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 456c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 457c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 458c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 459c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 460c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 4617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 4627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 4637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 4647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4662e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregornamespace { 4671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump class BeforeInTranslationUnit 4682e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor : std::binary_function<SourceRange, SourceRange, bool> { 4692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceManager *SourceMgr; 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4712e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor public: 4722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { } 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4742e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool operator()(SourceRange X, SourceRange Y) { 4752e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin()); 4762e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4772e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor }; 4782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 4792e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 480464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 481464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 482464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 483a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 484b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 485b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 486b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 487183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 488b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 489b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 490b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 491b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 492b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 493b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 494b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 495b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 496b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 4978b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 498af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 499af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5005d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5015d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5028b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 503dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 504dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 50540b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 506bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Align, AA->getMaxAlignment()); 507dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 508af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 509af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 5106217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 5115d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 5125d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 5135d484e8cf710207010720589d89602233de61d01Sebastian Redl else 5145d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 5155d484e8cf710207010720589d89602233de61d01Sebastian Redl } 5165d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 5176deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 5186deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned ArrayAlign = Target.getLargeArrayAlign(); 5196deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (isa<VariableArrayType>(T) && MinWidth != 0) 5206deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5216deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (ConstantArrayType *CT = dyn_cast<ConstantArrayType>(T)) { 5226deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned Size = getTypeSize(CT); 5236deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (MinWidth != 0 && MinWidth <= Size) 5246deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5256deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 5264cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 527dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 528dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 529dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 530dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 531dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 53205f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 53305f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 53405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 53505f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 53605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 53705f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 538af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 539dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5408b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 541af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 542b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 543ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 544ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 545ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 546ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 547ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 548ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 549ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 550ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 551ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 552ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 553ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 554ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 555a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 556a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 5570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 5580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 5590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 5600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 561d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 5621d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 5635e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 5645e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 565a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 56672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 56772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 56818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 56972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 57072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 57118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 57272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 57372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5745d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 5755d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 57618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 57718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 57818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 57918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 58018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 58172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 582fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 58318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 58418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 58518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 58618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 587fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 5881d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 59098be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 5919e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 592030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 593030d8846c7e520330007087e949f621989876e3aChris Lattner break; 5945c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 595213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 596030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 5979fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 5989fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 5999fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 6004bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 6016fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 6026fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 6038eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 6049fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 6059fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 6069fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 607030d8846c7e520330007087e949f621989876e3aChris Lattner break; 608030d8846c7e520330007087e949f621989876e3aChris Lattner } 6095d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 6109e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 611a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 612692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 613d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 61418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 61518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 61618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 61718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 61818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 6196f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 6209e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 6219e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 6226f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 623692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 624692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 625692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 6266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 6279e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 6289e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 6296f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 63064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 63164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 63264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 63364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 634f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 635f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 636f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 637f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 638f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 639f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 640f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 641f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 642692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 6436f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 6449e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 6459e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 6466f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 647692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 6486f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 6499e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 6509e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 6516f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 652692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 6536f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 6549e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 6559e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 6566f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 657692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 6586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 6599e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 6609e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 6616f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 662ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 663ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 664ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 665ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 666ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 6676f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 6689e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 6699e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 6706f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6716f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 6725426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 6735426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 6746f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6756f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 6769e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 6779e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 6786f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6796e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 6806e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 6816e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 6821590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 683e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 684e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 685e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 686e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 687e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 688e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 689a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 690bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 691d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 6925426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 693f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 6946f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 695485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 696485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 697485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 698485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 699485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 700485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 7015d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 7025d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 7035d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 7045d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 7055d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 7065d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 7075d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 7085d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 7095d484e8cf710207010720589d89602233de61d01Sebastian Redl } 710f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 711f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 7125426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 713f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 714f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 715f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 716f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 717f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 7181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 7191cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 7201cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Width = PtrDiffInfo.first; 721f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 722f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 7231cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 7241cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 725f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 7265d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 7275d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 7285d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 7291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 73098be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 7319e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 7325d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 7335d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 7345d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 735c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 736c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 73744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 7381d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 73944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 74044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 74144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 74244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 74344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 74472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 74572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 7461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 7471d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 7481d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 7498389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 7508389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 7518389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 7528389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7541d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 7557176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 7567176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 7571d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 7587176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 7597176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 7607176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 761dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 762a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 7637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 7649fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 76549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 76649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 76749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 76818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 76918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 77040b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 771bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Aligned->getMaxAlignment(), 772bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt getTypeAlign(Typedef->getUnderlyingType().getTypePtr())); 77318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 77418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 77518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 7767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 7777176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 77818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 77918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 78018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 78118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 78218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 78318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 78418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 78518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 786395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 787395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 788395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 789395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 790465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 791465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 79518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 79618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 79718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 79818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 79918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 80018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 8011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 802464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 8039e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 804a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 805a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 806bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 807bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 808bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 809199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 810bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 811bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 812199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 813bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 814bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 81516e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 81686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 81786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 81886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 81986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 82086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 82186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 82286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 82386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 82434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 82534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 82634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 82734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 82834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 82934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 8301eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 8311eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 832183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 8331eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 8341eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 8351eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 8361eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 8371eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 83834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 83934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 84034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 841a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 842a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 843a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 844a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 845a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 846f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 847a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 848a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 849a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 850a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 851a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 852a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 853a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 854a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 855a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 856a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 857a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 858a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 8598e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 8608e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 8618e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 8628e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 86311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 8648e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 8658e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 8668e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 8678e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 86811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 86911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian CollectNonClassIvars(OI, Ivars); 8708e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8718e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 87211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// CollectNonClassIvars - 87311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// This routine collects all other ivars which are not declared in the class. 8747d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek/// This includes synthesized ivars (via @synthesize) and those in 87574c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl/// class's @implementation. 8769820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 87711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanianvoid ASTContext::CollectNonClassIvars(const ObjCInterfaceDecl *OI, 8789820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 8790e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian // Find ivars declared in class extension. 88080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 88180aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) { 8820e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(), 8830e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian E = CDecl->ivar_end(); I != E; ++I) { 8840e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian Ivars.push_back(*I); 8850e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 8860e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 88711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 8887d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // Also add any ivar defined in this class's implementation. This 8897d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // includes synthesized ivars. 89011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) { 89111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(), 89211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian E = ImplDecl->ivar_end(); I != E; ++I) 89311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 89411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 8959820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 8969820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 897e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 898e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 899e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 900432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 901e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 902e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 903e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 904e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 905432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 906e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 907b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 908b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 909e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 910e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 911b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 912e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 913e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 914e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 915e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 916e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 917e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 918e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 919e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 920e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 921e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 922b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 923e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 924e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 925e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 926432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 927e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 928e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 929e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 930e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 931b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 932e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 933e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 934e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 935432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 936e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 937e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 938e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 939e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 940e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 941e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 942e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 9433bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 9443bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 9453bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 94680aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 94780aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 948b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 949b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9503bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 9513bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 9523bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 953b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 954b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9558e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 9568e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 9578e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 9598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 9608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 9648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 9678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 9688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 9728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 9758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 9768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 9778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 9788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 9798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 9808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 9828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 9838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 9848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 9858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 9868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 988a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 989b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 990a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 991b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 992b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 993b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 994b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 995b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 996a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 997109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 998109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 999109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1000109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1001109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1002a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1003109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1004a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1005a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1006a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1007a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1008b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1009b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1010a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 1011a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 1012a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1013a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 1014a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1015a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1016a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1017b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1018b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 1019b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1020b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1021b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1022b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1023b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 1024b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1025b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1026b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1027a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1028a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1029a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1030a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 10310953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 10320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 10330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 10340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 10360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 10370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 10380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 10390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 10400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 10410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 10420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 10440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 10460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 10470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 10480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10510953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 10520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 10530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 10540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 10580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 10600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1062f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1063f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1064f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1065f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1066b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 10670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 10730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 10750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 10760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1079ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1080ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1081b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 10820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1083d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1084b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1085d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10874027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 10886217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 108958f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 10904027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 10914027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 10924027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10934027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 11010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 11030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 11040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1107d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1108a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1109264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1110264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 11110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 111243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 111343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1114264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 111543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 111643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1117ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1118ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 111943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 112043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 112143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1122264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 112343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 112443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1125ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1126ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1127ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1128264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 112943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1130ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 113143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1132ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1133264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 11340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 113543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 11360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1137ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1138ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1139ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1140ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1141ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1142ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1143ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1144264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 11450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 114643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 114743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1148ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1149ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1150ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1151ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1152ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1153425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1154264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1155264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1156ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1157ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1158ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1159425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1160264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1161264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 11622455636163fdd18581d7fdae816433f886d88213Mike Stump} 11632455636163fdd18581d7fdae816433f886d88213Mike Stump 1164425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1165425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1166425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1167425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1168425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1169425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 11771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1185467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1186f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 11871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1190f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 11995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 12051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1213467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1214f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1218f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 12275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 12285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1229296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1230296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 12315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 12325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 12335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 12341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 12365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 12375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 12415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 12425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1243467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 12445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 12451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 12475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 12485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1249f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 12526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 12535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 12545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 12555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 12565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 12575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 12597c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 126054e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 126454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 12687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 12707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 127154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 127254e14c4db764c0636160d26c5bbf491637c83a76John McCall 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 127654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 127754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 127854e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 12797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 12817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 12827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 12837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 128754e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 128854e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 12897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 12907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 129154e14c4db764c0636160d26c5bbf491637c83a76John McCall 12927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 12937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 12947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 12967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 12977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 12987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 12997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 13007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 130154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 13027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 13047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 13057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 13077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 130854e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 130954e14c4db764c0636160d26c5bbf491637c83a76John McCall 13107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 13117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 13127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 131354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 131454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 131554e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 13167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 13197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1320f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 13246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 13255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 13275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1330f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1331f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1333f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1334f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1335f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1336f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1337f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1338f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1339f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1340f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1341f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1342f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1343f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1344f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1345f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 134687c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1347f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1348f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1349f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1350f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1351f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1352f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1353f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 13546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 13556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1356f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1357f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1358f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1359f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1360f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 13611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1362fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 136438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1365c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1366c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1367923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1368923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1369587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1370587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 137138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 137238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 137338aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 137438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13770be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 13781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 13817192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 13831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1387467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 13881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1389c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 13905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 13927192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1393f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13966b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 13976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 13987192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1403bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1404bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 14057e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 14067e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1407c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 14087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14097e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1410c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1411c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1412715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor QualType CanonType; 1413715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 1414715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (!EltTy.isCanonical()) { 1415715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (NumElts) 1416715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor NumElts->Retain(); 1417715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor CanonType = getVariableArrayType(getCanonicalType(EltTy), NumElts, ASM, 1418715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor EltTypeQuals, Brackets); 1419715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1420715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 14216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 1422715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor VariableArrayType(EltTy, CanonType, NumElts, ASM, EltTypeQuals, Brackets); 1423c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1424c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1425c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1426c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1427c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1428c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1429898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1430898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 143104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 14327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 14337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1434898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 14357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14367e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1437cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1438cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1439898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1440898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 144104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1442cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1443789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1444cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1445cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1446cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1447cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1448cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1449cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1450cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1451cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1452cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1453cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1454cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 145504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 145604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 145704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 145804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 14596b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 14616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 146204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 146304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 146404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 14656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14666b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 14676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1468cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1469789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1470789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1471789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1472789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1473789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1474cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1475789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 147604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 147704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 147804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 147904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 14806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 14826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 148304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 148404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 14851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1486898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1487898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1488898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1489898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1490c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1491c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1492c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1493c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 14940be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1495c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1496c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 14971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1498c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1499c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1500c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1501c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1502c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1503c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1504c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1505467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1506f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 15072bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1508c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1509c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1510c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1511c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1512f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15132bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1514c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 15156b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 15166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1517c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1518c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1519c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1520c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1521fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1522fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 152373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 152473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 152582287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 1526788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::AltiVecSpecific AltiVecSpec) { 15275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 15281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1529f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 153073322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 15311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 15335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1534788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::Vector, AltiVecSpec); 1535788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 15365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 15385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 15395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 15415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 15425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1543255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1544788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Canonical = getVectorType(getCanonicalType(vecType), NumElts, 1545788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1549f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1552788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType(vecType, NumElts, Canonical, AltiVecSpec); 15535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 15545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1558213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 155973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1560213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 156173322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 15621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1563f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1564213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 15651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156673322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 156773322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1568788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1569788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 157073322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 157173322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 157273322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 157373322924127c873c13101b705dd823f5539ffa5fSteve Naroff 157473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 157573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 157673322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1577467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1578213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 15791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 158073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 158173322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1582f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 158373322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 15846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 15856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 158673322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 158773322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 158873322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 158973322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 159073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 15911eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 15929cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 15939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 15942ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 15951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 15962ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 15971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15982ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 15992ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 16002ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 16012ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 16022ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 16032ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 16042ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 16056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 16076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 16082ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16092ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 16102ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 16116b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 16136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1614789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1615789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1616789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1617789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1618789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 16192ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 16202ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 16222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 16236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 16252ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16262ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16289cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 16299cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 16309cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 16319cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 163272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 16335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1634264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1635264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1636264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 16375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1640264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 16411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 164472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 16461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1648ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 164904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1650264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1651264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1652264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 16531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 165572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 165672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1657f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1661264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 16625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 166372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 16645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 16685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 166961710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1670971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1671465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1672465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1673264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1674264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1675264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 16765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 167972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1680465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1681264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 16825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 168572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1687465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1688465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 168954e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 16905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 169154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 16925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 16935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1695465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 16965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 169704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 16985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 16995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 17005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 170154e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1702465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1703f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1704beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 170547259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1706264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1707264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1708465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 17095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 171072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 171172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1712f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 17135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1714465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 171572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1716465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1717465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 17181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1719465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1720465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 17216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 172272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1723465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1724264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 17255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 172672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 17275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 17285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 17313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 17323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 17333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 17343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 17353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 17363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 17373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 17383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 17393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 17403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 17423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 17443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 17453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 17463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 17473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 17483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 17493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 175037ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 17513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 17523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 17533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 17543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 175531f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 175631f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 17573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 17583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 17593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 17603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17622ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 17632ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1764becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 17651e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1766becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 17671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 176819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 17692ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1770becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1771becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1772becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1773becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 177419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1775becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1776becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1777becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1778400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 177919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1780becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1781becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1782400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 178319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1784ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1785ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 17869fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1787becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 178849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1789becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 179049aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 17912ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 17922ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 17935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 17945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 17959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 17969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) { 17975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 17981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17999763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 18009763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 18016b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 18026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 18035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 18045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 18055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1807400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getRecordType(const RecordDecl *Decl) { 1808400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1809400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1810400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 1811400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1812400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1813400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1814400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Decl); 1815400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1816400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1817400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1818400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1819400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getEnumType(const EnumDecl *Decl) { 1820400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1821400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1822400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 1823400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1824400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1825400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1826400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Decl); 1827400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1828400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1829400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1830400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 183149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 183249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 183349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 183449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1835467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 183649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 183749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 183849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 183949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 184049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 184149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 184249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 184349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 184449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 184549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 184649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 184749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 184849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 184949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 185049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 185149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 185249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 185349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1854fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 18551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 185676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 18571eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 185876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1859efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 1860fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 1861efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1862fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 18631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1864fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1865fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1866fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1867fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 18681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1869efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 187076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 1871efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 1872efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1873789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1874789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1875789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1876789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1877789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 187876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 18796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 18806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1881fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1882fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1883fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1884fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1885fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1886fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1887fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 18883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 18893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 18903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 18913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 18923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 18933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 18943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 18963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 18973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 18983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 18993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 19003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 19013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 19023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 19033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 19043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19061eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1908d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 190971d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1910d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1911d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1912833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1913833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1914833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1915833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1916833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 191731f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 191871d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 1919833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1920833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1921833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1922833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 19237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 19247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 192571d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1926b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1927b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 19289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 19299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 1930fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 19311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 19321275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 19331275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 19341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 193540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 19366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 19371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 1938ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 193931f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1940828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 19411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 194255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 194455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 194555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 19461eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19479763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 19489763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 19499763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis unsigned NumArgs) { 19509763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 19519763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 19529763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 19539763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 19549763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 19559763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 19569763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 19589763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 19599763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 19609763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 19619763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 19629763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19639763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 19649763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 19659763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 19669763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19679763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 19689763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 19699763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 19709763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 19719763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 19729763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 19739763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 19749763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 19759763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 19769763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 19779763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 19789763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19799763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 19809763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 19819763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 19829763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 19839763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19849763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 1985465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 1986465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 1987465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 1988e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1989465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 1990e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1991e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1992465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1993e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1994e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1995e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1996789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 1997789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 1998789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 1999465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2000465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2001789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2002789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2003789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2004465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2005e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2006465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2007e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2008e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2009e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 20104a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 20114a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 20124a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 20134a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 2014d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2015d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2016d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2017d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 20184a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 20194a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 20204a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 20214a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 20224a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 20234a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2024d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2025d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2026d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 20274a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2028d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2029d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 20304714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 20314714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2032d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2033d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2034d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 20354a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2036d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 20374714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 20381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2039d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2040d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 20411eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 204233500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 204333500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 20444a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 204533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 204633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgumentListInfo &Args) { 204733500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 204833500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 204933500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 205033500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 205133500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 205233500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 205333500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 205433500955d731c73717af52088b7fc0e7a85681e7John McCall} 205533500955d731c73717af52088b7fc0e7a85681e7John McCall 205633500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 205733500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 205833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 205933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 206033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 206133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 206233500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args) { 20631734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 20641734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2065789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 206633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 206733500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2068789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2069789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 207033500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 207133500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2072789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2073789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2074789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 207533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 207633500955d731c73717af52088b7fc0e7a85681e7John McCall 207733500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 207833500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 20791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 208033500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 208133500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 208233500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 208333500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 208433500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 208533500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2086789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 20871734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 208833500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 208933500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 209033500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 209133500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 209233500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 209333500955d731c73717af52088b7fc0e7a85681e7John McCall 209433500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 209533500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 209633500955d731c73717af52088b7fc0e7a85681e7John McCall } 209733500955d731c73717af52088b7fc0e7a85681e7John McCall 209833500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 209933500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 210033500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2101ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 210233500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 21031734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 210433500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 21051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 21061734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 21071734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 210888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 210988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 211088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 211188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 21122e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 211388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 211488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 211654e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 211754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 211854e14c4db764c0636160d26c5bbf491637c83a76John McCall 211954e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 212054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 212154e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 212254e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 212354e14c4db764c0636160d26c5bbf491637c83a76John McCall} 212454e14c4db764c0636160d26c5bbf491637c83a76John McCall 212554e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 212688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 212788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 21281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 212988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 213088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 213188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 213288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 213388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 213488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 213588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 213688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2137c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2138c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2142c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2143c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2144d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2147c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2148d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2149c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2150c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2151d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 215454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2156c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 21580237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 21590237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 216054e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 216154e14c4db764c0636160d26c5bbf491637c83a76John McCall 216254e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2163c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 216554e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 216854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 216954e14c4db764c0636160d26c5bbf491637c83a76John McCall 217054e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2171c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 217254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 217354e14c4db764c0636160d26c5bbf491637c83a76John McCall 2174c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2175c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2176fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2177c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2178c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 21791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2180c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2181c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2182c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2183d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 218488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2185c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2186c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 21884b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 21901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21914b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 21944b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 21951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 219754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 220054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 220354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 220454e14c4db764c0636160d26c5bbf491637c83a76John McCall 2205c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 220924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 221024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 221224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 221324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 221424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 221574c730ad1f6818b676b0bad46d806a9176950328Sebastian RedlQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 221674c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl const ObjCInterfaceDecl *PrevDecl) { 221774c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl assert(Decl && "Passed null for Decl param"); 2218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 221974c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 222074c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 222174c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl if (PrevDecl) { 222274c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl assert(PrevDecl->TypeForDecl && "previous decl has no TypeForDecl"); 222374c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl Decl->TypeForDecl = PrevDecl->TypeForDecl; 222474c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl return QualType(PrevDecl->TypeForDecl, 0); 222574c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl } 222674c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 222774c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl assert(!Decl->getPreviousDeclaration() && 222874c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl "interface has previous declaration"); 222974c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 223074c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl Decl->TypeForDecl = new (*this, TypeAlignment) ObjCInterfaceType(Decl); 223174c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl Types.push_back(Decl->TypeForDecl); 223274c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl return QualType(Decl->TypeForDecl, 0); 2233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 223572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 223672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 22379752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 22381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 22399752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 224072564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2241dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2242b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2243b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2244b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 22451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2246b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2247b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2248b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2249b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2250b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2251b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 22526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2253b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2254b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2255b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2256b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 22576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 22586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2259b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2260b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2261b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2262b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2263dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 22646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2265dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 22669752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 22679752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2268d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2269d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 22709752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 22719752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 22729752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 22731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 22749752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2275d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2276f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 22776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 22789752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 22799752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2280d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2281d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 228260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 228360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 228460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2285a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2286a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 22871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 228860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 228960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 229060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 229160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 229260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 229360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 229460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 229560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 229660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 229760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 229860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 229960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 230060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 230160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 230260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 23031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 230460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 23051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 230760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 230860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 230960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 23101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 231160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 231260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 231360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2314395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2315395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2316395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 23171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2318395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2319395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2320dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 23219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 23229d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 23239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 23241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23259d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 23269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 23279d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 23289d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 23299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 23309d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 23316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 23329d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 23339d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 23349d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 23359d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 23366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 23379d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 23389d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 23399d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 23409d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2341dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 23426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2343dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2344395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2345395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2346395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2347395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 23485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 23495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2350e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2351d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2352e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2353e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2354e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 23555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 23565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 23591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2360a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2361b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 23625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 23635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 236464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 236564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 236664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 236764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 236864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 236964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 237064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 237164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 237264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 237364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 237464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 237564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 237664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 237764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 23788b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 23798b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 23808b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2381b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 23828b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 23838b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2384e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2385e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2386e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2387e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 238854e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 238954e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 239054e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 239154e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 239254e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 239354e14c4db764c0636160d26c5bbf491637c83a76John McCall 239454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 239554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 239654e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 239754e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 239854e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 239954e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 240054e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 240154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 240254e14c4db764c0636160d26c5bbf491637c83a76John McCall 240354e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 240454e14c4db764c0636160d26c5bbf491637c83a76John McCall} 240554e14c4db764c0636160d26c5bbf491637c83a76John McCall 240677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 240777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 240877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 240977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 241077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 241177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 241250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 24130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 24140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 24150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 24160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 24170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 24180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 24191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 24210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 242250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2423c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 24240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 24250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 24260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2427c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2428c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 24290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 24301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2431c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2432c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 24330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2434c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 24351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2436c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 243750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 243850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 243950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 24400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2441c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 244250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 244350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 24440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 24451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2446898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 244750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 244850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2449bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2450bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 245150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 24520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 245387a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2454898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2455c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 245650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2457bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2458bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 245950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 24600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 246150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2462c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2463c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 246428e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 246528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 24665535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 24679dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 24689dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 24695535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 247028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 247128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 247228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2473c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 247428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 247528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 247628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 24779dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 247828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 247928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 248028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 248128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 24829dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 248328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 248428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 248528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 24869dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 24879dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 24889dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr() ? 24899dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr()->Retain() : 0, 24909dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 24919dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 24929dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 24939dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 24949dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 24959dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 249628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 249728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 249828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 249928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 250028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 25025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 25035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 25045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 25055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 25065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 25075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 25085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 25095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 25105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 25115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 25125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 25135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 25145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 25155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 25165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 25195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 25205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 25215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 25225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 25235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 25245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 25255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 25265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25275a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25285a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 25295a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 25305a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 25315a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 25325a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 25335a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 25345a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 25355a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25365a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25375a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25385a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 25395a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25405a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 25415a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 25425a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 254380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCallDeclarationName ASTContext::getNameForTemplate(TemplateName Name) { 254480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 254580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return TD->getDeclName(); 254680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 254780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 254880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 254980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getIdentifier(DTN->getIdentifier()); 255080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 255180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getCXXOperatorName(DTN->getOperator()); 255280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 255380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 255480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 25550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 25560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 25570bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return (*Storage->begin())->getDeclName(); 255880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 255980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 256025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 25613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 25623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 25633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 25643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 25653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 25663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 256797fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 25683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 256925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 25700bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 25711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 257225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 257325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 257425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 257525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 257625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2577db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2578db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2579db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2580db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2581db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2582db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 25831eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 25841275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 25851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 25861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 25871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 25881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25891275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 25901275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 25911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25921275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2593833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 25941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2595788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2596788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2597788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 25981275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2599833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 26001275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 26011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26021275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2603833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 26041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26051275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 26061275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 26071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 26081275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 26091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 26101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 26111275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 26121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 26131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 26151275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 26161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 26171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 26181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 26191275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 26201275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 26211275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 26221275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 26231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 26241275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2625d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2626d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 26271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2628d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2629d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2630d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2631d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2632d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 26331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2634d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2635d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2636d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2637d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2638d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2639d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2640d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2641d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2642d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2643d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2644d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 26451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 26461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2647d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2648d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2649d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2650d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2651d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2652d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2653d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2654d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2655d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2656d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2657d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2658d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2659c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2660c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2661c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2662a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2663c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2664c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2665c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2666c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2669c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 26700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2671c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 26721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2674c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2675c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 26761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2677c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2678c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 267950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 26800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 26810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 26820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 26831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2684c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2685c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 26860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2687c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 26881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2689c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2690c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2691c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2692c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 26930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 26941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2695c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2696c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2697c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 26980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2699c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2700c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2701c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 27020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2703898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 27041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2705898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2706898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 27071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2708bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2709bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2710898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 27110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 27127e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 27131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2714c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 27157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2716bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 27170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2718c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 27190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 27207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 272177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 272277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 272377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2724e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2725e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2726e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2727e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2728e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2729e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2730e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2731c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2732c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2733c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2734c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2735c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2736c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 27371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2738c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2739e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2740e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 27410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2742e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2743e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 27445e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 27450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 27460237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 27470237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 27480237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 27495e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 27505e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2751fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2752fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 27531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2754fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2755fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 27561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27576183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 27586183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 27596183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 27600de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 27611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 27620de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 27630de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 27640de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 27650de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 27660de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 27670de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 27680de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 27690de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 27700de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 27715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 27725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2773a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2774183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 27755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2776a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2777183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2778183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2779a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 27805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 27815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 27825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 27835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 27855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 27871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2788716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2789716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 27901361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 27911361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 27921361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 27931361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 27941361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2795716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2796f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2797f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2798f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2799f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2800f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 28011361b11066239ea15764a2a844405352d87296b3Chris Lattner 28021361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 28031361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 28041361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 28051361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 28061361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 28071361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 28085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 28127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 28137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 28141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2815a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2816a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2817a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 28181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2819a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2820fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2821a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2822fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2823fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 28245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2826f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2827f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2828f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2829f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2830467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2831f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2832842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2833f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2834a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2835a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2836a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2837f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2838f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2839f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2840f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2841f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2842f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2843f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 28447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 28457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2846f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 28477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 28487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 28497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 28507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2851f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 28527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 28537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2854f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 28557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 28567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2857f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 28587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 28597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2860f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 28617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 28627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2863f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 28642df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 28652df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 28662df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2867f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2868f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2869f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 287004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 287104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 287204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 287304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 287404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 287504e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 2876ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 2877ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 2878ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 287904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 288004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 288104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 288204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 288304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 288404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 288504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 288604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 288704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 288804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 288904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 289004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 289104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 289204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 289304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 289404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 289504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 289604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 289704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 289804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 289904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 290004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 290104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 290204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 290304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2904a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2905a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2906a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2907a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2908a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2909a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2910842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2911842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2912a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2913a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2914a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2915a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2916a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2917a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2918a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2919a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 29201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 29217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 29221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 29237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2924f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2925f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 29267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 29271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2928f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2929f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 29301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 29327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 29331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 29357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 29367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 29377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 29381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 29407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 29417cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 29427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 29437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 29441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 29467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 29471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 29487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 29497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 29507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 29517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 29527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 29537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 29541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 29567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 29571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 29587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 29595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 296071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 296179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 296279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 296379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 296479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 296579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 296679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 296779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 296879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 296979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 29701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 297171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 297271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 29731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 2974465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 297579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 29765cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 297779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 2978f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 29791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 298071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 29810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 2982f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2983f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 298471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 29850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 298671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 29871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 29881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 298944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 299044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 29911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 299244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2993a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 29941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 29954afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 29962888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 299717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 299844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 299944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3000838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 300171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 30021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 300371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 30048467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3005b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3006319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 30076217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3008319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3009319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3010319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3011319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 30122bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 30132bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 30142bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 30152bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3016465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 30172bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 30182bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 30192bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30202bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 30212bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30222bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 30232bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 30242bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 30252bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 30262bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 30272bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 30282bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30292bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 30302bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 30312bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 30322bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 30332bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 30342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 30352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 30362888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 30372bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 30382bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 30392bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30402bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 30412bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 30422bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30432bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 30442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 30452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30462bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 30472bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 30482bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 30492bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 30502bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 30512bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 3053bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 305444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3055465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 305679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 30575cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 30581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3059bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3060bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3061de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3062bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3063bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3064bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3065bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 30661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 306744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 30681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 30691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 30701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3071a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 30721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 30734afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 30742888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 307517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 307644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 307738c9ab880b843a128f8d895d3e2e24877e178788Fariborz Jahanian if (getLangOptions().CPlusPlus) 307881148e9c24687564b3dd13bcb5e5e9f5100c0c95Fariborz Jahanian if (CXXRecordDecl *CXXRD = 307981148e9c24687564b3dd13bcb5e5e9f5100c0c95Fariborz Jahanian dyn_cast<CXXRecordDecl>(ObjCFastEnumerationStateTypeDecl)) 308038c9ab880b843a128f8d895d3e2e24877e178788Fariborz Jahanian CXXRD->setEmpty(false); 30811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3082838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3083bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 30841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3085bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3086bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3087bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 3088adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 3089adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3090adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3091adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3092adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3093adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3094465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 309579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 30965cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3097adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3098adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3099adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3100adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3101adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3102adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3103adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3104adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3105083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3106adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3107adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3108adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3109adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3110adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3111adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3112adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3113a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3114adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3115adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 31162888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3117adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3118adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3119adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3120838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3121adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3122adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3123adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3124adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3125adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3126adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3127adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3128adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3129adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3130adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3131adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3132adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3133083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 3134083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3135083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3136083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3137083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3138083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3139465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 314079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 31415cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3142083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3143083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3144083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3145083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3146083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3147083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3148083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3149083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3150083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3151083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3152083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3153083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3154083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3155083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3156083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3157083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3158083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3159083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3160083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3161083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3162a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3163083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3164083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 31652888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3166083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3167083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3168083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3169838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3170083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3171083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3172083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3173083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3174083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3175083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3176083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3177083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3178083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3179083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3180083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3181083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3182af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3183af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3184af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3185af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3186af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3187af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3188af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3189af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3190af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3191af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3192af7b44d847d3e44c43346d508b2e55a6254b6e9dMike StumpQualType ASTContext::BuildByRefType(const char *DeclName, QualType Ty) { 3193af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3194ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3195af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3196ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3197ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 319838e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__copy_helper; // as needed 319938e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__destroy_help // as needed 3200af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3201ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3202ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3203af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3204af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3205af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3206f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3207f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3208f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3209af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3210465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 321179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3212af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3213af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3214af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3215af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3216af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3217af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3218af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3219af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3220af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3221af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3222af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3223af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3224af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3225af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump const char *FieldNames[] = { 3226af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3227af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3228af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3229af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3230af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3231af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3232af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3233af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3234af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3235af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3236af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3237af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3238af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3239af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3240a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3241af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 32422888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3243af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3244af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3245af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3246838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3247af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3248af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3249ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3250ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3251ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3252ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3253083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3254ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3255ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3256adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 3257f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3258f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3259f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3260adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3261465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 326279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 32635cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3264adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3265adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3266adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3267adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3268adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3269083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3270083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3271083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3272adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3273adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3274adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3275adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3276adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3277adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3278adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3279adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3280adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3281adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3282adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3283ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3284adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3285a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3286ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 32872888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3288ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3289ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3290ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3291ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3292ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3293ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3294ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3295ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3296ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3297ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3298ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3299ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3300ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3301ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 3302ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldType = BuildByRefType(D->getNameAsCString(), FieldType); 3303ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3304ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3305ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3306ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3307ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3308ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3309ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3310ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3311ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3312ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3313ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 33142888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3315adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3316adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3317adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3318838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3319ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3320ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3321adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3322adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3323319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 33246217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3325319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3326319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3327319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3328319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3329e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3330e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 33312d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3332e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3333bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3334bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 33351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 333685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 333785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 333885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3339a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 334033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3341aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3342199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 33431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 334433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 33452ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3346199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 334733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 334833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3349199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3350aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3351199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3352199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3353199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3354199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3355199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 335633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 335733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 33586f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 33595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 33605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 33615e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 33625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 33635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 33645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 33655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3366c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 33675e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 33685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 33695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 33705e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3371199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3372199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 33736f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 33745e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 33755e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3376aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3377199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 33785e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 33795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 33805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3381199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 33825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 33835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 33845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 33855e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 33865e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 33875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 33885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 33895e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 33905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 33915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 33925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 33935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 33945e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 33955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 33965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 33975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 33985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 33995e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 34005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3401199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3402aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 34035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 34045e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 34055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3406a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 340733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 34081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3409e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3410c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3411ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3412a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 341333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 34140d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 341533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 341633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 341733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 341833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3419199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 342033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 342133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3422199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 342389951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 34247732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 342589951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3426aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3427199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3428199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 342933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 343033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3431199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 343233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3433199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 34341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 343533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 343633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 343789951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 34387732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 343989951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 34401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 34414306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3442ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3443ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3444ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3445bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3446ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3447ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3448ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3449ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 345033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 34514306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 34520d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3453199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3454aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 345533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 345633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 345733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3458c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 345983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3460c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3461c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 34621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 34631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 34641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 34651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 34661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 346783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 346883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 346983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 347083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 347183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 347283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 347383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 347483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 347583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 347683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 347783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 347883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 347983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 348083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 348183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 348283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 34831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3484c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3485e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3486c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3487c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3488c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3489c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3490c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3491c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 34921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3493c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3494c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 349517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3496653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3497c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3498c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3499c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3500c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3501c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3502c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3503c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3504c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3505c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3506c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 350761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3508c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 350917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3510653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3511c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3512c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3513c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3514c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3515c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3516c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3517c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3518c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 35191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3520c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3521c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3522c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3523c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3524c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3525c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3526c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3527090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3528090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 35291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3530090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3531090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3532c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3533c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3534c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3535c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3536c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3537c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3538c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 35391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3540c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3541c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3542c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3543c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3544c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3545c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3546c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3547c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3548090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3549090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 35501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3551c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3552c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3553077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3554c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3555c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3556c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3557c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3558077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3559c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3560c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3561c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3562c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3563c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 356439f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3565c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3566c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3567c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3568c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3569c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3570a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 35711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 35721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3573a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3574a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3575a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 35768e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3577183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3578c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3579c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3580a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 35811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3582c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3583c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3584a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3585a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3586a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3587a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3588a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 35897d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3590153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 359182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 359282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 359382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 359482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 35951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 35965b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 359782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 359882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 359964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 360064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 360164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 360264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 360364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 360464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 360564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 360664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 360764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 360864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 360964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 361064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'L' : 'Q'; 361164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 361264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 361364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 361464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 361564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 361624da7093a84e4eb92731e0565ab655697b2ed08fJohn McCall case BuiltinType::WChar: 361764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 361864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 361964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 362064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'l' : 'q'; 362164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 362264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 362364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 362464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 362564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongDouble: return 'd'; 362664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 362764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 362864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 36291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 363064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 36318b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 36328b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 36338b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 36348b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 363564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 363664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 363764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 363864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 363964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 364064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 364164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 364264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 364364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 364464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 364564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 364664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 364764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 364864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 364964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 365064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 365164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 365264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 365364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 365464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 365564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 365664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 365764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 365864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 365964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 366064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 366164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 366264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 366364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 366464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(Context, T); 366564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 366664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 36678b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 36688b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 36698b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 367001eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 367182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 367282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 367382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3674153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3675090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 36766ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 367764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 3678ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 367964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 368064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 3681ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3682ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3684183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3685c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 36861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3687c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3688ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3689ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 369060bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3691aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3692aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 36936217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 36948d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 36958d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 36968d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 36978d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3698aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3699aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3700aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3701aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3702aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3703a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3704a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3705a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3706a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 37071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 37088e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3709a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3710a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3711a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3712a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 37139fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3714a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 37156217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 37166217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3717a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3718a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3719a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3720a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3721a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3722a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3723a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3724a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3725a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 37260237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 37270237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3728a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 37291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 373085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 373185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 373285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3733e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 373485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 373585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 373685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 37376217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 37389533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 37399533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 37409533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 37419533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 37429533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 37439533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 37449533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 37459533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 37469533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 37479533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 37489533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 374985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 375085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3751a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3752a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 37531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 375443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3755ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3756ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3757aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3758ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3759ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3760ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3761559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3762559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3763559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3764559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 37651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3766559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3767559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3768559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 37691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3770559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3771559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3772559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3773559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3774559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3775559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3776559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 37771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3779559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3780559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3781559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3782ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3783ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3785183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3786c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3787ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3788ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37906217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 379182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3792d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3793502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3794502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3795502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 37966fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 37976fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 37986fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 37996fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 38006fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 38016fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 38026fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 38036fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 38046fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 38056fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 38066fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3807502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3808502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3809502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 38100d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 38117d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 381217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 381317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 381444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 381543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3816d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 381744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3818d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3819d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 38201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3821d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 382243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 38231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 382443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3825d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3826a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3827a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 38281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 382943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3830d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 38317d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 38326de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3833d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3834ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3835ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3837ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 38388b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 383964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 38408b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 38418b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3842ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3843ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3845ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 384621a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3847ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3848ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3850c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3851c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3852c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3853c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 38540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 385543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 38560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 385743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 385843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 385943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 386043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 3861f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 386243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 3863f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 386443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 38651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 386643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 386743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 38681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 386943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 387043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 387143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3872ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 387343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 38741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3875183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 387614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 387714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 387814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3879ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 388127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 388227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 388327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 388427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 388514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 388614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3887ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3889ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 38901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 389114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 389214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 389314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 389414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 389514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 389614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 389767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 389867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 389914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 390014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 390114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 390214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 390314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 390414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 390514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3906ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3908ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3909ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3910ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3911ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 39121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3913ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3914ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 39151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 39161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3917ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 391814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 391914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3920ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3921ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 392227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3923ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 392427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 392567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 392667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3927ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3928ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3929ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 39301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3931ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3932ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3933ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3934ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3936532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 3937532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 3938532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 3939532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 3940532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall 3941ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 394285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 394385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 39441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3945ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3946ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3947ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3948ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3949ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3950ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3951ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3952ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3953ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3954ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3955ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3956ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3957ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3958ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3959ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3960ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3961b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 39621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3963b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3964b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3965b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3966ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3967de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 39687e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 39697e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3970ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 397113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3972b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3973b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3974ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3975a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3976390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3977390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3978ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3979de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 39808baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 39818baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3982a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 39831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 39842198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 39851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3986a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 39872198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 39882198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 39890bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 39900bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 3991eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 3992eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 39930bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 39940bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 39957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39960bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 39970bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 39980bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 39990bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 40000bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4001eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 40020bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 40030bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 40040bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 40050bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 40060bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 40077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 40087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40090bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 40107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 40117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4012d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4013d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 40141eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 4015d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 40160bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 4017789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4018d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4019d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 40201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4021d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4022d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 40230bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4024d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4025d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4026d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4027d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 40281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4029d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4030d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4031d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 40327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 40337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 40341eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 40357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 40361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 40373b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 40387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 40407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 40417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 40437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 40447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 40457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 40477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 40487532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 40507532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 40517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 40527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 40537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 40547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4055789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4056789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4057789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4058789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 40597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 40607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 40627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 40637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 40647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4065ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4066ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4067ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4068ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 4069ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 4070ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4071ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4072ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4073ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4074ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4075ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4076ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4077789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4078789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4079ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4080ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4081ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4082ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4083ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4084ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4085ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4086ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4087ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4088ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4089789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4090789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4091789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4092789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4093789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4094ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4095ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4096ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4097ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4098ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4099ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4100b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4101d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4102d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4103e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4104b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4105e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4106b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4107b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4108b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4109b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4110b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4111b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4112b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4113b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4114b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4115b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4116b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4117e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4118b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4119b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4120b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4121b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4122b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4123b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4124fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4125fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4126fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4127f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4128fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4129fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4130fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4131fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 413240b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4133fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4134fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 41351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4136fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4137fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 41384fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 41394fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 41404fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 41410953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 41420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 41434fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 41444fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 4145b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 41464fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 41471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 4148a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 41490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 415075212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 41510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 4152a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 41536217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4154a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 4155c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 4156c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 4157f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 41580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 41594fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4160b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 41614fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 41624fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 41636ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 41646ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 41656ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4166770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 41671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 41686ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 41696ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 41706ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4171467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 41726ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 417361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 41746ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 41756ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4176255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4177255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4178255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4179255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4180255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4181255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4182255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4183255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4184255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor // AltiVec vectors types are identical to equivalent GCC vector types 4185255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4186255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4187255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if ((((First->getAltiVecSpecific() == VectorType::AltiVec) && 4188255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (Second->getAltiVecSpecific() == VectorType::NotAltiVec)) || 4189255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor ((First->getAltiVecSpecific() == VectorType::NotAltiVec) && 4190255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (Second->getAltiVecSpecific() == VectorType::AltiVec))) && 4191255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4192255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (First->getNumElements() == Second->getNumElements())) 4193255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4194255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4195255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4196255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4197255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 41984084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 41994084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 42004084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 42014084c306635b70f37029dca938444e6013f08684Steve Naroff 42024084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 42034084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 42040fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 42050fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 42064084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 420714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 42084084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 42094084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 42104084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 42114084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42124084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42134084c306635b70f37029dca938444e6013f08684Steve Naroff} 421414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 42154084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 42164084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 42174084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 42184084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 42194084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 42204084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 42214084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42224084c306635b70f37029dca938444e6013f08684Steve Naroff} 42234084c306635b70f37029dca938444e6013f08684Steve Naroff 4224a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4225a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4226a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4227a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4228a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4229a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4230a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4231a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4232a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4233a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4234a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4235a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4236a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4237a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4238a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4239a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4240a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4241a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4242a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4243a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4244a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4245a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4246a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4247a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4248a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4249a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 42504084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 42514084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 42524084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 42534084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 42544084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 42551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 42564084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 42574084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 42594084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 42604084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42614084c306635b70f37029dca938444e6013f08684Steve Naroff 42624084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4263183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 42641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42654084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 42661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42674084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 42681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 42694084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 42704084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 42714084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 42724084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 42734084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 42744084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 42754084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 42760fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 42774084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42784084c306635b70f37029dca938444e6013f08684Steve Naroff } 42794084c306635b70f37029dca938444e6013f08684Steve Naroff } 42804084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 42814084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42824084c306635b70f37029dca938444e6013f08684Steve Naroff } 42831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 42844084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 42854084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 42864084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 42874084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4288de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4289de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4290de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4291de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 42924084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 42934084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 42944084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 42954084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 42964084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 42974084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 42988f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 42998f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4300de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 43011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 43024084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 43034084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 43044084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 43054084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 43064084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 43074084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 43084084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 43090fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 43104084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 43114084c306635b70f37029dca938444e6013f08684Steve Naroff break; 43124084c306635b70f37029dca938444e6013f08684Steve Naroff } 43134084c306635b70f37029dca938444e6013f08684Steve Naroff } 43144084c306635b70f37029dca938444e6013f08684Steve Naroff } 43154084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4316de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4317de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 43181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4319de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4320de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 43211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43224084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 43234084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 43244084c306635b70f37029dca938444e6013f08684Steve Naroff 43251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 43264084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 43274084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 43284084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 43294084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 43304084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 43314084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 4332d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 4333d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // static class must implement all of id's protocols directly or 4334d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // indirectly through its super class. 4335d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, false)) { 43364084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 43374084c306635b70f37029dca938444e6013f08684Steve Naroff break; 43384084c306635b70f37029dca938444e6013f08684Steve Naroff } 43394084c306635b70f37029dca938444e6013f08684Steve Naroff } 43404084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 43414084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43424084c306635b70f37029dca938444e6013f08684Steve Naroff } 43434084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43444084c306635b70f37029dca938444e6013f08684Steve Naroff } 43451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 43464084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 43474084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 43484084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 43494084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 43504084c306635b70f37029dca938444e6013f08684Steve Naroff 43514084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 43524084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 43534084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 43544084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 43554084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 43564084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 43574084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 43584084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 43594084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 43604084c306635b70f37029dca938444e6013f08684Steve Naroff break; 43614084c306635b70f37029dca938444e6013f08684Steve Naroff } 43624084c306635b70f37029dca938444e6013f08684Steve Naroff } 43634084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 43644084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43654084c306635b70f37029dca938444e6013f08684Steve Naroff } 43664084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43674084c306635b70f37029dca938444e6013f08684Steve Naroff } 43684084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43694084c306635b70f37029dca938444e6013f08684Steve Naroff} 43704084c306635b70f37029dca938444e6013f08684Steve Naroff 43714084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 43724084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 43734084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 43744084c306635b70f37029dca938444e6013f08684Steve Naroff/// 43754084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 43764084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4377c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4378c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4379c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 43804084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4381c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4382c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 43834084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43844084c306635b70f37029dca938444e6013f08684Steve Naroff 4385c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 43861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 43871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 43884084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4389a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4390a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4391a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4392a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4393a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4394c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4395c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 43964084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 43971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43984084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 439914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 440014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4401132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4402132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4403132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4404132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4405132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4406132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4407132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4408132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4409a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4410132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4411132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4412132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4413132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4414132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4415132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4416a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4417132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4418132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4419132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4420132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4421132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4422132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4423132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4424132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4425132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4426132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4427132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4428132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4429132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4430132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4431132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4432132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4433132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4434132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4435132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4436e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4437e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4438e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4439e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4440e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4441e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4442e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4443e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4444e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4445e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4446c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4447c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4448c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4449c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4450e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4451e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4452e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4453e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4454e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4455e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4456432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4457c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4458c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4459e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4460e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4461e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4462e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4463e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4464e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4465cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4466cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4467e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4468e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4469e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4470e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4471e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4472432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4473c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4474c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4475432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4476432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4477432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4478432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4479432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4480e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4481e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4482e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4483db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4484db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4485db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4486db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4487db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4488c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4489c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4490c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4491c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4492c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4493c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4494c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4495db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4496db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4497c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4498c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4499e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4500c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4501c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4502c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4503c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4504c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4505c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4506c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4507c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4508e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4509db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4510db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4511db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4512db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4513db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4514c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4515c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4516c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4517c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4518c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 45196ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 45206ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4521c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 45226ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 45231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45246ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 45256ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4526c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 45276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 45281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 45306ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4531c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 45326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 45331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4534c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4535c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 453691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 453791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 453891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 453991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 454091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4541c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4542c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 45438f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 45448f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 454591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 45468f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 45478f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 454891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 454991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 455091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 455191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 455291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 455391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 455491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 45556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 45566ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4557389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4558389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4559183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4560183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 45611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 456214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4563389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 456414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 456514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 456614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4567389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4568389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 4569569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 4570569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 4571569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 4572569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 4573569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4574569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 45751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4576ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 45771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4578ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 4579447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 4580447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 45810e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 45820e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 45830e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 4584447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 45853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 45863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4587132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4588132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4589132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4590132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4591132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4592447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4593447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 4594183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4595183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 459672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 459772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 45983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 45993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 46003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4602132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4603132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4604447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true, 4605447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 4606132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4607447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), 4608447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor false, Unqualified); 46093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 4610447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4611447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4612447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 4613447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4614447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 4615447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 4616447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4617447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 4618447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 4619447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4620447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4621447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 462261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 4623447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 462461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 46256a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 46266a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 46276a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 46286a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4629264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4630264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 46316a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 46326a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 46336a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 46346a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 46356a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 46366a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 46376a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 46386a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 46396a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4640264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4641264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4642ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 464304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4644ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 46451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4647465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4648465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 46493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 46503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 46513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 46533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 46543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 46573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 46583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46607fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 46617fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 46627fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 46633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 46643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 46653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 46663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 46673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 4668447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType argtype = mergeTypes(largtype, rargtype, OfBlockPointer, 4669447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 46703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 4671447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4672447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4673447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 4674447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 46753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 4676447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4677447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 4678447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 4679447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4680447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 468161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 468261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 468361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 468461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 46853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 46873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 46883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 46892455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4690264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4691425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 46923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 46953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 46963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 469772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 46983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4699465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 47003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 47013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 47023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 47033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 47043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 47053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 47063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 47073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 47083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4709b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4710b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4711b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4712b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4713b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4714b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 47153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 47163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 47173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 47183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 47193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 47213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 47223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 47232d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4724264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4725264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4726425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 47273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 47283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 47303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4731425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4732264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 47333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 47343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4735132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4736447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4737447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 473843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 473943d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 474043d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 47417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 47427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 47430e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 47440e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 4745447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4746447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4747447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 4748447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 4749447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 47500e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 47513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 47523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 47533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4754f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 47553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 47563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 47573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4759a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4760a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 47610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 47620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 47630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 47640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 47650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 47660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 47670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 47680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 47690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 47700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 47710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 47720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 47730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 47740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 47750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 47760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 47770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 47780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 47790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 47800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 47810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 47820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 47830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 47840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 47850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 47863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 47870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 47880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 47890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 47903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4791852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4792852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4793f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 47941adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 47951adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 47961adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 47971adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 47984c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 47994c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4800a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4801a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4802a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4803a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 48041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4805c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 4806c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 4807c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 4808c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4809213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4810213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4811213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 48121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48134e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 48144e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 48151adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 48161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4817842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4818842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4819183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 48203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 48213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4822bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4823183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 48243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 48253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4826bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 48271adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 48283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4829ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 48303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48314a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 48321adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 483372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 483472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4835ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 483672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 483772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 483872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 483972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 484072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 484172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 48427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 48437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 484472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 484572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 484672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 484772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4848c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 484972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 485072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 485172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 485272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 485372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 485472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 485572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 48561adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 48573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 48583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 48596217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 48606217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 4861447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4862447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 4863447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 4864447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4865447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 4866447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 48673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 486807d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 486961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 487007d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 487161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 48723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 48733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4874c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4875c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4876c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 48776217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 48786217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4879447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4880447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 4881447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 4882447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4883447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 4884447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 4885c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4886c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4887c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4888c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4889c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4890c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4891c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 48921adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 48933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 48943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 48953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 48963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 48973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 48983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 49003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 4901447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4902447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 4903447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 4904447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4905447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4906447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 49073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 490861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 490961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 491061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 491161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 49123bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 49133bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 49143bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 49153bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 49163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 49173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 491861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 491961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 492061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 492161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 49223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 49233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 49243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 49253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 49263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 49273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 49293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 49303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 49313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 49323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 49333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49343bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 49353bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 49367e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 49377e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 49383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49391adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 4940447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 494172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 494272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 49433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 49441adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 49453cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 49463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 494764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 494864cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 494964cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 49503cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 49515a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 49521c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 49531c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 49543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 495561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 4956c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 4957c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 49585a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 49595a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4960c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 4961c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 4962c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 49635fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 49645fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 49653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 496661490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 496714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4968132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 4969132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 4970132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 4971132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 4972132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 4973132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 4974132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4975183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4976183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 497714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 497814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4979bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 4980132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4981ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 498272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 498372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4984ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 49857192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 49862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 49872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 49882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 49892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 49902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 49912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 49922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 49932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 49942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 49952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 49962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 49972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 49982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 49992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 50002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 50012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 50022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 50032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 50042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 50052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 50072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 50082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 50092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 50102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 50112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FunctionType::ExtInfo Info = getFunctionExtInfo(LHS); 50122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 50132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 50142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumArgs(), FPT->isVariadic(), 50152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getTypeQuals(), 50162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasExceptionSpec(), 50172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasAnyExceptionSpec(), 50182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumExceptions(), 50192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->exception_begin(), 50202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Info); 50212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 50222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 50282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 50292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 50302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 50312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 50322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 50332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 50342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 50372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 50382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 50392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 50402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 50412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 50422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 50432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 50442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 50462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 50492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 50502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 50512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 50522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 50562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 50572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 50582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 50592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 50602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 50612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 50622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 50632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 50662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50675426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5068ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5069ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 507088054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 5071ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 5072632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 5073ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 5074842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 507529a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 5076f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5077ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5078ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5079ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5080ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5081f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 50826a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 50836a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 50846a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 50856a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5086788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VTy->getNumElements(), VTy->getAltiVecSpecific()); 50876a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 50886a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 50896a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5090ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 50916a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 50926a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 50936a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5094ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5095ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5096ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5097ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5098ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5099ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5100ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5101ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5102ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5103ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5104ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5105ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 51062df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 51072df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5108ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5109ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5110ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5111ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5112ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5113ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 51142cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 51152cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 51162cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 511786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 511886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 511986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 512086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 512186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 512286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 512386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 512486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 51251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 512686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 512786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 512886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 512986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 513086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 51311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 513286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 513386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 513486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 513586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 51361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 513786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 513886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 513986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 514086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 514186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 514286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 514386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 514486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 514586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 514686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 514786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 514886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 514986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 515086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 515186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 515286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 515386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 515486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 51551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 515686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 515786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 515886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 515986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 516086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 516186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 516286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 516386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 516486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 516586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 516686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 516786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 516886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 516986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 517086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 517186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 517286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 517386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 517486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 517586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 517686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 517786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 517886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 517986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 518086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 518186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 518286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 518386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 518486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 518586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 518686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 518786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 518886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 518986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 519086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 519186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 519286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 519386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 519486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 519586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 519686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 519786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 519886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 519986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 520086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 520186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 520286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 520386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 520486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 520586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 520686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 520786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 520886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 520986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 521086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 521186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 521286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 521386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 521486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 521586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 521686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 521786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 521886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 521986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 522086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 522186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 522286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 522386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 522486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 522586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 522686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 522786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 522886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 522986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 523086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 523186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 523286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 523386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 523486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 523586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 523686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 523786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 523886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 52391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 524086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 52411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 524286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 524382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson // FIXME: Don't know what to do about AltiVec. 5244788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5245788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 524686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 524786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5248d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 5249d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 5250d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5251d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5252d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 52539a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5254c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5255c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5256f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 525786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 525886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5259fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 52609a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5261f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5262782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5263f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5264f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5265f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5266fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5267f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5268fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5269fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5270fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5271782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 52721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 527386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 527486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 52751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 527686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 527786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5278187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 527986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 528086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 528186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 5282187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall { 5283187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // Both pointers and references can have their pointee types 5284187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // qualified with an address space. 5285187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall char *End; 5286187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall unsigned AddrSpace = strtoul(Str, &End, 10); 5287187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (End != Str && AddrSpace != 0) { 5288187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getAddrSpaceQualType(Type, AddrSpace); 5289187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Str = End; 5290187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 5291187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 5292187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (c == '*') 5293187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getPointerType(Type); 5294187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall else 5295187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getLValueReferenceType(Type); 529686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 529786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 529886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 52990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 530086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5301013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian case 'D': 5302013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian Type = Context.getVolatileType(Type); 5303013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian break; 530486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 530586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 53061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 530786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 530886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 530986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 531086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 531186df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 531286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 531386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 53141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 531586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 53161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 531786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 531886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 531986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 532086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 532186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 532286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 532386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 532486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 532586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 532686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 532786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 532886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 53291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 533086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 533186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 533286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 533386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 533486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 533586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 533686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 533786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 533886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 5339ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5340ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 534186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 5342ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 5343264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 534486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5345a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5346a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5347a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5348a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5349a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5350a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5351a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5352a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5353a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5354a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5355a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5356a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5357a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5358a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5359a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5360a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5361a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5362a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5363a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5364a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 53651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5366a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5367a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5368a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5369a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 53701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 53721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5373a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5374a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5375a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 53761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5377a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5378a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5379a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 53801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5381a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5382a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5383a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5384a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 53851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 53861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 53871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 53881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5389a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 53901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5391a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 53921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5393a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5394a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 53951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5397a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 53981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5399a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 54001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5401a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5402a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5403a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5404a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5405a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5406a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5407a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5408a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5409a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5410a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5411a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5412a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5413a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5414a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5415a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5416a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5417a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5418a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5419a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5420a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5421a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5422a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5423a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5424a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5425a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5426a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5427a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 54281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5429a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5430a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5431a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5432a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5433a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5434a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5435a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5436a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5437a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5438a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5439a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5440a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5441a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5442a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5443a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5444a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5445a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 54461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5447a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5448a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5449a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5450a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5451a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5452a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5453a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5454a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5455a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5456a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5457a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5458a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5459a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5460a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5461f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool lhsSigned = lhs->hasSignedIntegerRepresentation(), 5462f60946222721d9ba3c059563935c17b84703187aDouglas Gregor rhsSigned = rhs->hasSignedIntegerRepresentation(); 5463a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5464a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5465a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5466a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5467a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5468a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5469a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5470a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5471a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5472a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5473a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5474a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5475a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5476a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5477a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5478a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5479a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5480a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5481a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5482a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5483a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5484a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 548590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 548690e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 548790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 548890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 548990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 549090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 549190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis FD->getType()->getLinkage() == UniqueExternalLinkage) 549290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 549390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 549490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 549590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 549690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 549790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 549890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 549990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 550090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 550190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 550290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 550390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 550490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 550590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 550690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 550790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 550890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 550990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 551090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 551190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 551290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 551390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 551490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 551590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 551690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 551790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 551890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 551990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 552090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 552190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 552290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 552390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 552490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 552590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 552690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 552790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 552890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 552990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 553090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 553190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 553290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 553390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 553490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 553590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 553690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 553790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 553890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 553990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 554090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 554190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 554290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 554390e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 554490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 554590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 554690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 554790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 554890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 554990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 555090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 555190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 555290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 555390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 555490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 555590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 555690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 555790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 555890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 555990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 556090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 556190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 556290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 556390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 556490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 556590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 556690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 556790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 556890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 556990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 557090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 557190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 557290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 557390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 557490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 557590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 557690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 557790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 557890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 557990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 558090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 558190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 558290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 55834ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 558490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 558590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 558690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 558790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 558890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 558990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5590ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 5591ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 5592ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5593ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 559490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 559590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 559690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 559790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 559890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 559990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 560090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 560190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 560290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 560390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 560490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 560590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 560690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 560790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 560890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 560990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 561090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 561190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 561290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 561390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 561490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 561590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 561690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 561790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 561890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 561990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 562090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 562190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 562290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 562390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 562490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 562590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 562690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 562790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 562890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 562990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 563090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5631ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 5632ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5633ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 563490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 563590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 563690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 563790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 563890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 563990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor()) 564090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 564190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 564290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 564390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 564490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 564590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 564690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 564790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 564890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 564990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 565090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 565190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 5652