ASTContext.h revision 395b475a4474f1c7574d927ad142ca0c7997cbca
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.h - Context to hold long-lived AST nodes ----*- C++ -*-===// 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 defines the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_ASTCONTEXT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_ASTCONTEXT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 172e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#include "clang/Basic/IdentifierTable.h" 18e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek#include "clang/Basic/LangOptions.h" 199f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor#include "clang/AST/Attr.h" 20ad75653f81dece1c806e9c28dd7e7582c9929a27Ted Kremenek#include "clang/AST/Decl.h" 21ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 22d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 24464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 25464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 2668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 272cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "llvm/ADT/OwningPtr.h" 286c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 32b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 33b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 34b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 36a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner class FileManager; 37e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 38e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 392cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor class ExternalASTSource; 40c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 41e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 43d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 44e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 46c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 48e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 49e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 50e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 51e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 5272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 53efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class FieldDecl; 54efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarRefExpr; 55efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarDecl; 56efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian 571b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner namespace Builtin { class Context; } 581b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 612bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 63f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian llvm::FoldingSet<ExtQualType> ExtQualTypes; 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<LValueReferenceType> LValueReferenceTypes; 687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<RValueReferenceType> RValueReferenceTypes; 69f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 707192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 71c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 72c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 73898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor std::vector<DependentSizedArrayType*> DependentSizedArrayTypes; 749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor std::vector<DependentSizedExtVectorType*> DependentSizedExtVectorTypes; 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 7672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionNoProtoType> FunctionNoProtoTypes; 7772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionProtoType> FunctionProtoTypes; 78fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<TemplateSpecializationType> TemplateSpecializationTypes; 80e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSet<QualifiedNameType> QualifiedNameTypes; 81d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSet<TypenameType> TypenameTypes; 82a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 83d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSet<ObjCObjectPointerType> ObjCObjectPointerTypes; 84ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<QualifiedTemplateName> QualifiedTemplateNames; 867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<DependentTemplateName> DependentTemplateNames; 877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 88ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The set of nested name specifiers. 89ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// 90ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// This set is managed by the NestedNameSpecifier class. 91ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor llvm::FoldingSet<NestedNameSpecifier> NestedNameSpecifiers; 92ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *GlobalNestedNameSpecifier; 93ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor friend class NestedNameSpecifier; 94ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 9588a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 96a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 9788a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 98b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar llvm::DenseMap<const ObjCContainerDecl*, const ASTRecordLayout*> ObjCLayouts; 99f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 100f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> SignedFixedWidthIntTypes; 101f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> UnsignedFixedWidthIntTypes; 102a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 103b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 104b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 105b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 106b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 107d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1086083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 109a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 1107e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 1112198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 1126083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 113a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 114b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 115b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1166083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 117a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 118390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1198baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1206083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 121a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 1228baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 123390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 124a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1252198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1267a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 127bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 128bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 12968584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Keeps track of all declaration attributes. 13068584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// 13168584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// Since so few decls have attrs, we keep them in a hash map instead of 13268584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// wasting space in the Decl class. 13368584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor llvm::DenseMap<const Decl*, Attr*> DeclAttrs; 13468584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor 135ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 136ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 137e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 138b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 139e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 140e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 141e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 142e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 143e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 144c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 145c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 146c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 147c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 1486ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregorpublic: 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 15071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 15129238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 1521b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &BuiltinInfo; 1532e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 1542cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor llvm::OwningPtr<ExternalASTSource> ExternalSource; 155d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor clang::PrintingPolicy PrintingPolicy; 1562e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1577a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 158a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner const SourceManager& getSourceManager() const { return SourceMgr; } 159c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 160c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 161c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 162c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 163c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void Deallocate(void *Ptr) { 164c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 165c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff MallocAlloc.Deallocate(Ptr); 166c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 167e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 1686c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1699c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 1709c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 1719c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 172ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 17368584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Retrieve the attributes for the given declaration. 17468584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor Attr*& getDeclAttrs(const Decl *D) { return DeclAttrs[D]; } 17568584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor 17668584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Erase the attributes corresponding to the given declaration. 17768584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor void eraseDeclAttrs(const Decl *D) { DeclAttrs.erase(D); } 17868584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor 179ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 180ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 1863a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 1872df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy, Int128Ty; 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1892df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner QualType UnsignedLongLongTy, UnsignedInt128Ty; 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 1926e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl QualType VoidPtrTy, NullPtrTy; 1938e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor QualType OverloadTy; 194898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType DependentTy; 1958e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 196e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 1971b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner IdentifierTable &idents, SelectorTable &sels, 1981b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 1991b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner bool FreeMemory = true, unsigned size_reserve=0); 200fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 2026ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor 2032cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Attach an external AST source to the AST context. 2042cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// 2052cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// The external AST source provides the ability to load parts of 2062cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// the abstract syntax tree as needed from some external storage, 2072cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// e.g., a precompiled header. 2082cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor void setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source); 2092cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2102cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Retrieve a pointer to the external AST source associated 2112cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// with this AST context, if any. 2122cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalASTSource *getExternalSource() const { return ExternalSource.get(); } 2132cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 21503ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 216d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 217464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 218464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 219464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 220d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 221f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// getAddSpaceQualType - Return the uniqued reference to the type for an 222f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// address space qualified type with the specified type and address space. 223f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// The resulting type has a union of the qualifiers from T and the address 224f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// space. If T already has an address space specifier, it is silently 225f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 226f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 227ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 228d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 229d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 230d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 231d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType getObjCGCQualType(QualType T, QualType::GCAttrTypes gcAttr); 232d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 2405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 2415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 2425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 2435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 244f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 2467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 2477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getLValueReferenceType(QualType T); 2487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 2497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 2507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 2517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 252f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 253f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 254f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 255f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 256f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 257f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 258bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 259bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 260c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 261c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 262c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 263898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 264898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 265898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 266898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 267898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 268898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 269fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 270fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman unsigned EltTypeQuals); 271fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 272c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 273c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 274c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 275c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 276c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 277c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 278bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 279bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 280c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 281c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 282c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28473322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 28573322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 28673322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 28773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 288213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 289213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 290213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 291213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// getDependentSizedExtVectorType - Returns a non-unique reference to 2949cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// the type for a dependently-sized vector of the specified element 2959cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 2969cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// comparable, at some point. 2979cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getDependentSizedExtVectorType(QualType VectorType, 2989cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 2999cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc); 3009cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 30172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 30372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getFunctionNoProtoType(QualType ResultTy); 304465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 30786da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 308971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 309465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec = false, 310465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec = false, 311465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExs = 0, const QualType *ExArray = 0); 3122ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 3132ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 3142ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 3154b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 3162ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 3203b3a45858c6b2a45114e91902c3bf3c4b7f5f302Daniel Dunbar QualType getObjCInterfaceType(const ObjCInterfaceDecl *Decl); 321fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 322fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 32376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 324fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name = 0); 325fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 3267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType getTemplateSpecializationType(TemplateName T, 3277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 3287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 3297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon = QualType()); 33055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 331ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualType getQualifiedNameType(NestedNameSpecifier *NNS, 332e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType); 333d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType getTypenameType(NestedNameSpecifier *NNS, 334d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 335d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon = QualType()); 3361734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType getTypenameType(NestedNameSpecifier *NNS, 3371734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 3381734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon = QualType()); 339e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 340d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// getObjCObjectPointerType - Return a ObjCObjectPointerType type for the 341d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// given interface decl and the conforming protocol list. 342d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff QualType getObjCObjectPointerType(ObjCInterfaceDecl *Decl, 343d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCProtocolDecl **ProtocolList = 0, 344d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff unsigned NumProtocols = 0); 345d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 346a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 347a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 3484b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 349a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 35092dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner ObjCProtocolDecl **ProtocolList, 35192dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner unsigned NumProtocols); 352c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 353a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 354c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 35562f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner QualType getObjCQualifiedIdType(ObjCProtocolDecl **ProtocolList, 356c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 357c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 359d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 36072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 361d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 362d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 363395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson /// getDecltypeType - C++0x decltype. 364395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson QualType getDecltypeType(Expr *e); 365395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 373fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 3743a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 3753a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 3763a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 3773a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 37864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 37964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 38064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 38164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 38264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 38364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 38464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 38564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3878b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 3888b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 3898b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 3908b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 391beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 392beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 39371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 39471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 395319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the structure type used to representation CFStrings, or NULL 396319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// if it hasn't yet been built. 397319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawCFConstantStringType() { 398319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (CFConstantStringTypeDecl) 399319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(CFConstantStringTypeDecl); 400319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 401319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 402319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setCFConstantStringType(QualType T); 403319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 404983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 405a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 406a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 407a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 4082198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 409b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 410bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 411bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 412bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 413319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the ObjCFastEnumerationState type, or NULL if it hasn't yet 414319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// been built. 415319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawObjCFastEnumerationStateType() { 416319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (ObjCFastEnumerationStateTypeDecl) 417319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 418319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 419319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 420319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 421319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCFastEnumerationStateType(QualType T); 422319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 423d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 424d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 425d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 4267d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 427153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field=0); 428a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 429a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 43033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 431ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 432a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 433ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 434ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 435a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 43633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 437c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 438c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 439c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 440c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 441c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 442c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 44377a49f6b1e5741f6bda71eb7837b43343925027bArgyrios Kyrtzidis void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 444c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 445c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 44633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 447a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 44833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 449a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 450d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 451d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 452d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 453a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 454319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCIdType(QualType T); 455b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 456319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCSelType(QualType T); 457a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 458b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 459a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 460a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 461390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 462d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 463d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 464d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 465a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 466319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCClassType(QualType T); 4678baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 468b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 469b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 470f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 471f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman QualType getFixedWidthIntType(unsigned Width, bool Signed); 472f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 4737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, 4747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 4757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template); 4767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 4787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name); 4797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner enum GetBuiltinTypeError { 48186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GE_None, //< No error 48286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GE_Missing_FILE //< Missing the FILE type from <stdio.h> 48386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner }; 48486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 48586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner /// GetBuiltinType - Return the type for the specified builtin. 48686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType GetBuiltinType(unsigned ID, GetBuiltinTypeError &Error); 48786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 488d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 489d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor QualType getFromTargetType(unsigned Type) const; 490b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 491464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 492b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 493b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 494d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor 495d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 496b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// isObjCObjectPointerType - Returns true if type is an Objective-C pointer 497b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to an object type. This includes "id" and "Class" (two 'special' pointers 498b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified 499b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// ID type). 500b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek bool isObjCObjectPointerType(QualType Ty) const; 5014fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 5024fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 5034fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 5044fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 5054fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian QualType::GCAttrTypes getObjCGCAttrKind(const QualType &Ty) const; 506fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 507fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 508fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 509fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 510b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 511b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 512464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 513464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 514464175bba1318bef7905122e9fda20cff926df78Chris Lattner 515b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 516b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 517b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 518b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 519464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 520464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 5211d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 5221d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 5231d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 5241d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 525464175bba1318bef7905122e9fda20cff926df78Chris Lattner 526464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 527464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 52898be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 52998be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 530464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 5311d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 5321d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 5331d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 534464175bba1318bef7905122e9fda20cff926df78Chris Lattner 53534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 53634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 53798be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 53898be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 539464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 5401d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 5411d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 5421d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 543464175bba1318bef7905122e9fda20cff926df78Chris Lattner 54434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 54534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 54634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 54734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 54834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 54934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 550b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// getDeclAlignInBytes - Return the alignment of the specified decl 551b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// that should be returned by __alignof(). Note that bitfields do 552b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// not have a valid alignment, so this method will assert on them. 553b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar unsigned getDeclAlignInBytes(const Decl *D); 554af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner 55588a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 556464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 557464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 55898be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 559464175bba1318bef7905122e9fda20cff926df78Chris Lattner 560b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCInterfaceLayout - Get or compute information about the 561b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// layout of the specified Objective-C interface. 56244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 563b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 564b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCImplementationLayout - Get or compute information about 565b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// the layout of the specified Objective-C implementation. This may 566b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// differ from the interface if synthesized ivars are present. 567b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout & 568b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar getASTObjCImplementationLayout(const ObjCImplementationDecl *D); 569b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 57088e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 5716ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor llvm::SmallVectorImpl<FieldDecl*> &Fields); 5728e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 5738e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian void ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 5748e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars, 5758e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian bool CollectSynthesized = true); 5769820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectSynthesizedIvars(const ObjCInterfaceDecl *OI, 5779820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 5789820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectProtocolSynthesizedIvars(const ObjCProtocolDecl *PD, 5799820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 5808e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountSynthesizedIvars(const ObjCInterfaceDecl *OI); 5818e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD); 582525c9b7baeeff022127cd1b167579f3bda73b3edDaniel Dunbar 583464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 584464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 585464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 586464175bba1318bef7905122e9fda20cff926df78Chris Lattner 58777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 58877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 58977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 59077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 59177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 59277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 59377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 5941d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 5951d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 5961d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 5972a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 5988e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 5998e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 6008e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 6018e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 6028e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 6038e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 6048e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 6058e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 6068e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T1 = getCanonicalType(T1); 6078e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T2 = getCanonicalType(T2); 6088e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return T1.getUnqualifiedType() == T2.getUnqualifiedType(); 6098e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 6108e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 6117da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor /// \brief Retrieves the "canonical" declaration of the given declaration. 6127da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor Decl *getCanonicalDecl(Decl *D); 6137da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor 6142a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// \brief Retrieves the "canonical" declaration of the given tag 6152a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// declaration. 6162a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// 6172a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// The canonical declaration for the given tag declaration is 6182a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// either the definition of the tag (if it is a complete type) or 6192a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// the first declaration of that tag. 6202a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor TagDecl *getCanonicalDecl(TagDecl *Tag) { 6217da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor return cast<TagDecl>(getCanonicalDecl((Decl *)Tag)); 6222a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 6232a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 6247da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor /// \brief Retrieves the "canonical" declaration of 6257da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor 626d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieves the "canonical" nested name specifier for a 627d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// given nested name specifier. 628d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 629d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// The canonical nested name specifier is a nested name specifier 630d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// that uniquely identifies a type or namespace within the type 631d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// system. For example, given: 632d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 633d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \code 634d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// namespace N { 635d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// struct S { 636d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct X { typename T* type; }; 637d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 638d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// } 639d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 640d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct Y { 641d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// typename N::S::X<T>::type member; 642d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 643d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \endcode 644d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 645d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// Here, the nested-name-specifier for N::S::X<T>:: will be 646d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// S::X<template-param-0-0>, since 'S' and 'X' are uniquely defined 647d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// by declarations in the type system and the canonical type for 648d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// the template type parameter 'T' is template-param-0-0. 649d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier * 650d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS); 651d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 65225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// \brief Retrieves the "canonical" template name that refers to a 65325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// given template. 65425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 65525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// The canonical template name is the simplest expression that can 65625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// be used to refer to a given template. For most templates, this 65725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// expression is just the template declaration itself. For example, 65825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// the template std::vector can be referred to via a variety of 65925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// names---std::vector, ::std::vector, vector (if vector is in 66025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// scope), etc.---but all of these names map down to the same 66125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// TemplateDecl, which is used to form the canonical template name. 66225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 66325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// Dependent template names are more interesting. Here, the 66425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name could be something like T::template apply or 66525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// std::allocator<T>::template rebind, where the nested name 66625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// specifier itself is dependent. In this case, the canonical 66725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name uses the shortest form of the dependent 66825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// nested-name-specifier, which itself contains all canonical 66925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// types, values, and templates. 67025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor TemplateName getCanonicalTemplateName(TemplateName Name); 67125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 672c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 673c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 674c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 675c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 676c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 677c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 678c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 679c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 680c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 681c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 682c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 683c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 684c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 685c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 6866183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 6876183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// getBaseElementType - Returns the innermost element type of a variable 6886183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// length array type. For example, will return "int" for int[m][n] 6896183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType getBaseElementType(const VariableArrayType *VAT); 690c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 691e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 692e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 693e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 694e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 695e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 696e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 697e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 698e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 6997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 7007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 7017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 7027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 703a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 704a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 705a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 706a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 707a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 708a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 710716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 711716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 712716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 713716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 714f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 715f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 716ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 717f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 718f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 719f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 720f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 721f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 722f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 723ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 724ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 725ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 726ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 727ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 728ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 729ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 730a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 731389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCIdType; 732389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 733389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCIdStructType(QualType T) const { 73445ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 73545ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 736ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 737ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 738a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 739389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCClassType; 740389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 741389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCClassStructType(QualType T) const { 74245ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 74345ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 7448baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 7458baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 746a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 747a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 7488baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 7498baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 7508baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 7513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 7523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 7533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 754389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 7553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 7563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 7573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 7583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 7593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 760368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 761ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 762ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 763ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 764ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 765ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 766ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 767ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 768ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 769ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 770ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 771ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 772ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 773ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 774e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 775e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 776e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 777e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 778e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 779e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 780e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 781e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 782e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 783e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_end() const { return Types.end(); } 784e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 785e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 7860cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 7870cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 7880cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 7890cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 7900cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 7910cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 7920cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 7930cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 7940cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 7950cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 7960cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 8034b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 80482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 80582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar void getObjCEncodingForTypeImpl(QualType t, std::string &S, 80682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 80782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 808153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field, 809090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 8106ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty = false); 811b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 812b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout &getObjCLayout(const ObjCInterfaceDecl *D, 813b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ObjCImplementationDecl *Impl); 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 815e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 818e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 819e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 820e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 821e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 822e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 823e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 824e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 825e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 826e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 827e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 828e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 829e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 830e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 831e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 832e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 833e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 834e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 8354398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 836e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 837e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 838e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 83942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 84042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 841e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 842e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 8439f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor size_t Alignment) throw () { 844c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 845e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 846e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 847e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 848e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 849e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 850e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 851e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 852fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattnerinline void operator delete(void *Ptr, clang::ASTContext &C, size_t) 853e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 854c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 855e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 856e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 85742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 85842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 85942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 86042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 86142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 86242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Default alignment (16) 86342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 86442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 86542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context, 8) char[10]; 86642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 86742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 86842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 8694398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 87042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 87142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 87242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 87342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 87442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 87542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 87642542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 87742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek size_t Alignment = 16) throw () { 87842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 87942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 88042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 88142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 88242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 88342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 88442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 88542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 88642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 88742542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void operator delete[](void *Ptr, clang::ASTContext &C) throw () { 88842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 88942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 89042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 892