ASTContext.h revision 153bfe5795e2c1a5a738e73d3784964e082237fc
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" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Builtins.h" 20ad75653f81dece1c806e9c28dd7e7582c9929a27Ted Kremenek#include "clang/AST/Decl.h" 21ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 23464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 24e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/Basic/SourceLocation.h" 25464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 2668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 272cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "llvm/ADT/OwningPtr.h" 287192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 296c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 32b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 33b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 34b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 35b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 37a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner class FileManager; 38e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 39e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 402cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor class ExternalASTSource; 41c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 43e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 44d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 47c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 48e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 49e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 50e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 51e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 52e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 5372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 54efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class FieldDecl; 55efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarRefExpr; 56efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarDecl; 57efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 602bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 62f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian llvm::FoldingSet<ExtQualType> ExtQualTypes; 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<LValueReferenceType> LValueReferenceTypes; 677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<RValueReferenceType> RValueReferenceTypes; 68f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 697192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 70c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 71c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 72898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor std::vector<DependentSizedArrayType*> DependentSizedArrayTypes; 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 7472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionNoProtoType> FunctionNoProtoTypes; 7572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionProtoType> FunctionProtoTypes; 76fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<TemplateSpecializationType> TemplateSpecializationTypes; 78e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSet<QualifiedNameType> QualifiedNameTypes; 79d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSet<TypenameType> TypenameTypes; 80a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 81a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedIdType> ObjCQualifiedIdTypes; 82ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<QualifiedTemplateName> QualifiedTemplateNames; 847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<DependentTemplateName> DependentTemplateNames; 857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 86ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The set of nested name specifiers. 87ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// 88ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// This set is managed by the NestedNameSpecifier class. 89ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor llvm::FoldingSet<NestedNameSpecifier> NestedNameSpecifiers; 90ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *GlobalNestedNameSpecifier; 91ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor friend class NestedNameSpecifier; 92ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 9388a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 94a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 9588a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 9644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel llvm::DenseMap<const ObjCInterfaceDecl*, 9744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout*> ASTObjCInterfaces; 98f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 99f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> SignedFixedWidthIntTypes; 100f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> UnsignedFixedWidthIntTypes; 101f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1022349925b505564915f786583238266840801b689Chris Lattner // FIXME: ASTRecordForInterface/ASTFieldForIvarRef and addRecordToClass and 1032349925b505564915f786583238266840801b689Chris Lattner // getFieldDecl be part of the backend (i.e. CodeGenTypes)? 1042349925b505564915f786583238266840801b689Chris Lattner llvm::DenseMap<const ObjCInterfaceDecl*, RecordDecl*> ASTRecordForInterface; 105efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr*, const FieldDecl*> ASTFieldForIvarRef; 106a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 107b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 108b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 109b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 110b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 1117e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 1126083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 113a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 1147e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 1152198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 1166083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 117a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 118b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 119b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1206083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 121a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 122390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1238baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1246083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 125a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 1268baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 127390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 128a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1292198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1307a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 131bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 132bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 133ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 134ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 135e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 136b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 137e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 138e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 139e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 140e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 141e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 142c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 143c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 144c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 145c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 1466ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregorpublic: 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 14871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 14929238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 1502e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 1512cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor llvm::OwningPtr<ExternalASTSource> ExternalSource; 1522e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1537a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 154a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner const SourceManager& getSourceManager() const { return SourceMgr; } 155c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 156c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 157c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 158c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 159c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void Deallocate(void *Ptr) { 160c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 161c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff MallocAlloc.Deallocate(Ptr); 162c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 163e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 1646c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1659c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 1669c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 1679c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 168ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 169ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 170ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 171a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 172a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 173a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 1803a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 18633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1878e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor QualType OverloadTy; 188898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType DependentTy; 1898e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 190e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 191c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff IdentifierTable &idents, SelectorTable &sels, 192c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory = true, unsigned size_reserve=0); 193fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1956ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor 1962cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Attach an external AST source to the AST context. 1972cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// 1982cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// The external AST source provides the ability to load parts of 1992cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// the abstract syntax tree as needed from some external storage, 2002cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// e.g., a precompiled header. 2012cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor void setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source); 2022cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2032cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Retrieve a pointer to the external AST source associated 2042cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// with this AST context, if any. 2052cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalASTSource *getExternalSource() const { return ExternalSource.get(); } 2062cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 20803ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 20903ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 210464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 211464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 212464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 213d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 214f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// getAddSpaceQualType - Return the uniqued reference to the type for an 215f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// address space qualified type with the specified type and address space. 216f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// The resulting type has a union of the qualifiers from T and the address 217f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// space. If T already has an address space specifier, it is silently 218f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 219f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 220ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 221d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 222d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 223d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 224d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType getObjCGCQualType(QualType T, QualType::GCAttrTypes gcAttr); 225d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 2335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 2345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 2355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 2365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 237f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 2397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 2407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getLValueReferenceType(QualType T); 2417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 2427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 2437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 2447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 245f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 246f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 247f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 248f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 249f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 250f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 251bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 252bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 253c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 254c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 255c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 256898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 257898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 258898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 259898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 260898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 261898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 262fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 263fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman unsigned EltTypeQuals); 264fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 265c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 266c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 267c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 268c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 269c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 270c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 271bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 272bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 273c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 274c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 275c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27773322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 27873322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 27973322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 28073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 281213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 282213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 283213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 284213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 28872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getFunctionNoProtoType(QualType ResultTy); 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 29286da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 293971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 2947fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis unsigned TypeQuals); 2952ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2962ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 2972ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 2984b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 2992ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 303a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCInterfaceType(ObjCInterfaceDecl *Decl); 304fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 305fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 306fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name = 0); 307fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 3087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType getTemplateSpecializationType(TemplateName T, 3097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 3107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 3117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon = QualType()); 31255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 313ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualType getQualifiedNameType(NestedNameSpecifier *NNS, 314e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType); 315d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType getTypenameType(NestedNameSpecifier *NNS, 316d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 317d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon = QualType()); 3181734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType getTypenameType(NestedNameSpecifier *NNS, 3191734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 3201734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon = QualType()); 321e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 322a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 323a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 3244b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 325a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 32692dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner ObjCProtocolDecl **ProtocolList, 32792dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner unsigned NumProtocols); 328c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 329a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 330c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 33162f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner QualType getObjCQualifiedIdType(ObjCProtocolDecl **ProtocolList, 332c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 333c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 335d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 33672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 337d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 338d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 346fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 3473a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 3483a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 3493a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 3503a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 35164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 35264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 35364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 35464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 35564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 35664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 35764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 35864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3608b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 3618b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 3628b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 3638b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 364beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 365beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 36671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 36771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 368983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 369a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 370a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 371a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 3722198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 373b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 374bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 375bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 376bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 377d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 378d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 379d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 3807d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 381153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field=0); 382a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 383a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 38433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 385ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 386a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 387ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 388ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 389a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 39033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 391c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 392c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 393c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 394c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 395c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 396c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 39777a49f6b1e5741f6bda71eb7837b43343925027bArgyrios Kyrtzidis void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 398c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 399c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 40033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 401a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 40233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 403a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 40485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 405d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 406d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 407a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 408d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCIdType(TypedefDecl *Decl); 409b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 410a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCSelType(TypedefDecl *Decl); 411a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 412b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 413a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 414a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 415390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 416d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 417d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 418d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 419a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 420d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCClassType(TypedefDecl *Decl); 4218baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 422b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 423b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 424f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 425f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman QualType getFixedWidthIntType(unsigned Width, bool Signed); 426f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 4277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, 4287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 4297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template); 4307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 4327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name); 4337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 434d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 435d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor QualType getFromTargetType(unsigned Type) const; 436b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 437464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 438b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 439b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 440d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor 441d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 442b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// isObjCObjectPointerType - Returns true if type is an Objective-C pointer 443b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to an object type. This includes "id" and "Class" (two 'special' pointers 444b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified 445b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// ID type). 446b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek bool isObjCObjectPointerType(QualType Ty) const; 4474fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 4484fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 4494fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 4504fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 4514fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian QualType::GCAttrTypes getObjCGCAttrKind(const QualType &Ty) const; 452fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 453fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 454fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 455fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 456b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 457b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 458464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 459464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 460464175bba1318bef7905122e9fda20cff926df78Chris Lattner 461b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 462b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 463b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 464b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 465464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 466464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 4671d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 4681d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 4691d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 4701d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 471464175bba1318bef7905122e9fda20cff926df78Chris Lattner 472464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 473464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 47498be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 47598be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 476464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 4771d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 4781d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 4791d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 480464175bba1318bef7905122e9fda20cff926df78Chris Lattner 48134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 48234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 48398be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 48498be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 485464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 4861d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 4871d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 4881d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 489464175bba1318bef7905122e9fda20cff926df78Chris Lattner 49034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 49134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 49234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 49334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 49434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 49534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 496b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// getDeclAlignInBytes - Return the alignment of the specified decl 497b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// that should be returned by __alignof(). Note that bitfields do 498b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// not have a valid alignment, so this method will assert on them. 499b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar unsigned getDeclAlignInBytes(const Decl *D); 500af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner 50188a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 502464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 503464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 50498be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 505464175bba1318bef7905122e9fda20cff926df78Chris Lattner 50644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 507a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl *addRecordToClass(const ObjCInterfaceDecl *D); 50888e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 5096ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor llvm::SmallVectorImpl<FieldDecl*> &Fields); 510efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const FieldDecl *getFieldDecl(const ObjCIvarRefExpr *MRef) { 511efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr *, const FieldDecl*>::iterator I 512efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian = ASTFieldForIvarRef.find(MRef); 513efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian assert (I != ASTFieldForIvarRef.end() && "Unable to find field_decl"); 514efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian return I->second; 515efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian } 516efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian void setFieldDecl(const ObjCInterfaceDecl *OI, 517efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarDecl *Ivar, 518efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarRefExpr *MRef); 519464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 520464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 521464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 522464175bba1318bef7905122e9fda20cff926df78Chris Lattner 52377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 52477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 52577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 52677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 52777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 52877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 52977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 5301d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 5311d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 5321d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 5332a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 5348e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 5358e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 5368e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 5378e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 5388e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 5398e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 5408e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 5418e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 5428e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T1 = getCanonicalType(T1); 5438e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T2 = getCanonicalType(T2); 5448e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return T1.getUnqualifiedType() == T2.getUnqualifiedType(); 5458e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 5468e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 5472a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// \brief Retrieves the "canonical" declaration of the given tag 5482a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// declaration. 5492a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// 5502a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// The canonical declaration for the given tag declaration is 5512a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// either the definition of the tag (if it is a complete type) or 5522a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// the first declaration of that tag. 5532a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor TagDecl *getCanonicalDecl(TagDecl *Tag) { 5542a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor QualType T = getTagDeclType(Tag); 555befc20e1dc869edb0e7b560e69f32d5c71f867abDouglas Gregor return cast<TagDecl>(cast<TagType>(T.getTypePtr()->CanonicalType) 556befc20e1dc869edb0e7b560e69f32d5c71f867abDouglas Gregor ->getDecl()); 5572a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 5582a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 559d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieves the "canonical" nested name specifier for a 560d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// given nested name specifier. 561d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 562d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// The canonical nested name specifier is a nested name specifier 563d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// that uniquely identifies a type or namespace within the type 564d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// system. For example, given: 565d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 566d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \code 567d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// namespace N { 568d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// struct S { 569d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct X { typename T* type; }; 570d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 571d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// } 572d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 573d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct Y { 574d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// typename N::S::X<T>::type member; 575d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 576d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \endcode 577d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 578d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// Here, the nested-name-specifier for N::S::X<T>:: will be 579d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// S::X<template-param-0-0>, since 'S' and 'X' are uniquely defined 580d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// by declarations in the type system and the canonical type for 581d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// the template type parameter 'T' is template-param-0-0. 582d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier * 583d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS); 584d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 585c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 586c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 587c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 588c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 589c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 590c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 591c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 592c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 593c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 594c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 595c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 596c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 597c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 598c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 5996183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 6006183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// getBaseElementType - Returns the innermost element type of a variable 6016183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// length array type. For example, will return "int" for int[m][n] 6026183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType getBaseElementType(const VariableArrayType *VAT); 603c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 604e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 605e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 606e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 607e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 608e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 609e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 610e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 611e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 6127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 6137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 6147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 6157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 616a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 617a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 618a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 619a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 620a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 621a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 6225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 623716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 624716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 625716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 626716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 627f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 628f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 629ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 630f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 631f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 632f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 633f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 634f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 635f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 636ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 637ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 638ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 639ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 640ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 641ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 6421c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff bool typesAreBlockCompatible(QualType lhs, QualType rhs); 643ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 644a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 645389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCIdType; 646389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 647389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCIdStructType(QualType T) const { 64845ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 64945ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 650ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 651ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 652a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 653389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCClassType; 654389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 655389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCClassStructType(QualType T) const { 65645ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 65745ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 6588baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 6598baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 660a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 661a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 6628baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 6638baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 6648baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 6653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 6663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 6673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 668389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 6693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 6703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 6713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 6723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 6733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 674368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 675ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 676ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 677ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 678ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 679ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 680ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 681ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 682ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 683ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 684ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 685ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 686ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 687ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 688e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 689e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 690e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 691e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 692e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 693e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 694e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 695e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 696e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 697e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_end() const { return Types.end(); } 698e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 699e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 700368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner // Serialization 701368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 702368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 703557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner void EmitASTBitcodeBuffer(std::vector<unsigned char> &Buffer) const; 704557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner static ASTContext *ReadASTBitcodeBuffer(llvm::MemoryBuffer &MBuffer, 705557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner FileManager &FMgr); 706a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 707368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner void Emit(llvm::Serializer& S) const; 708557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner static ASTContext *Create(llvm::Deserializer& D); 709368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 7100cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 7110cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 7120cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 7130cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 7140cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 7150cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 7160cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 7170cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 7180cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 7190cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 7200cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 7210cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 7284b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 72982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 73082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar void getObjCEncodingForTypeImpl(QualType t, std::string &S, 73182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 73282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 733153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field, 734090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 7356ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty = false); 7363e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 738e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 741e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 742e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 743e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 744e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 745e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 746e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 747e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 748e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 749e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 750e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 751e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 752e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 753e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 754e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 755e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 756e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 757e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 7584398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 759e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 760e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 761e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 76242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 76342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 764e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 765e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 766e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl size_t Alignment = 16) throw () { 767c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 768e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 769e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 770e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 771e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 772e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 773e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 774e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 775fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattnerinline void operator delete(void *Ptr, clang::ASTContext &C, size_t) 776e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 777c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 778e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 779e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 78042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 78142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 78242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 78342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 78442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 78542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Default alignment (16) 78642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 78742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 78842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context, 8) char[10]; 78942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 79042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 79142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 7924398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 79342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 79442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 79542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 79642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 79742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 79842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 79942542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 80042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek size_t Alignment = 16) throw () { 80142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 80242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 80342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 80442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 80542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 80642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 80742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 80842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 80942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 81042542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void operator delete[](void *Ptr, clang::ASTContext &C) throw () { 81142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 81242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 81342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 815