ASTContext.h revision a9376d470ccb0eac74fe09a6b2a18a890f1d17c4
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" 22464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 23e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/Basic/SourceLocation.h" 24464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 2568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 267192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 276c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 31b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 32b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 33b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 35a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner class FileManager; 36e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 37e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 38c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 39e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 40e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 41d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 43e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 44c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 48e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 49e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 5072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 51efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class FieldDecl; 52efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarRefExpr; 53efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarDecl; 54efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 572bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 59f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian llvm::FoldingSet<ExtQualType> ExtQualTypes; 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<LValueReferenceType> LValueReferenceTypes; 647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<RValueReferenceType> RValueReferenceTypes; 65f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 667192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 67c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 68c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 69898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor std::vector<DependentSizedArrayType*> DependentSizedArrayTypes; 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 7172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionNoProtoType> FunctionNoProtoTypes; 7272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionProtoType> FunctionProtoTypes; 73fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 7455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor llvm::FoldingSet<ClassTemplateSpecializationType> 7555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor ClassTemplateSpecializationTypes; 76e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSet<QualifiedNameType> QualifiedNameTypes; 77d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSet<TypenameType> TypenameTypes; 78a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 79a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedIdType> ObjCQualifiedIdTypes; 80ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 81ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The set of nested name specifiers. 82ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// 83ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// This set is managed by the NestedNameSpecifier class. 84ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor llvm::FoldingSet<NestedNameSpecifier> NestedNameSpecifiers; 85ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *GlobalNestedNameSpecifier; 86ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor friend class NestedNameSpecifier; 87ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 8888a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 89a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 9088a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 9144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel llvm::DenseMap<const ObjCInterfaceDecl*, 9244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout*> ASTObjCInterfaces; 93f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 94f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> SignedFixedWidthIntTypes; 95f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> UnsignedFixedWidthIntTypes; 96f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 97be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // FIXME: Shouldn't ASTRecordForInterface/ASTFieldForIvarRef and 98be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // addRecordToClass/getFieldDecl be part of the backend (i.e. CodeGenTypes and 99be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // CodeGenFunction)? 100a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian llvm::DenseMap<const ObjCInterfaceDecl*, 101a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl*> ASTRecordForInterface; 102efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr*, const FieldDecl*> ASTFieldForIvarRef; 103a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 104b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 105b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 106b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 107b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 1087e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 1096083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 110a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 1117e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 1122198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 1136083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 114a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 115b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 116b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1176083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 118a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 119390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1208baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1216083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 122a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 1238baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 124390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 125a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1262198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1277a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 128bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 129bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 130ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 131ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 132e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 133b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 134e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 135e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 136e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 137e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 138e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 139c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 140c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 141c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 142c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 1437a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekpublic: 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 14571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 14629238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 1472e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 1482e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1497a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 150a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner const SourceManager& getSourceManager() const { return SourceMgr; } 151c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 152c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 153c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 154c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 155c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void Deallocate(void *Ptr) { 156c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 157c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff MallocAlloc.Deallocate(Ptr); 158c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 159e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 1606c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1619c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 1629c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 1639c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 164ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 165ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 166ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 167a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 168a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 169a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 1763a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 18233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1838e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor QualType OverloadTy; 184898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType DependentTy; 1858e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 186e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 187c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff IdentifierTable &idents, SelectorTable &sels, 188c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory = true, unsigned size_reserve=0); 189fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 19303ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 19403ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 195464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 196464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 197464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 198d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 199f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// getAddSpaceQualType - Return the uniqued reference to the type for an 200f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// address space qualified type with the specified type and address space. 201f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// The resulting type has a union of the qualifiers from T and the address 202f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// space. If T already has an address space specifier, it is silently 203f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 204f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 205ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 206d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 207d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 208d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 209d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType getObjCGCQualType(QualType T, QualType::GCAttrTypes gcAttr); 210d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 2185618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 2195618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 2205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 2215618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 222f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 2247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 2257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getLValueReferenceType(QualType T); 2267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 2277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 2287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 2297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 230f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 231f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 232f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 233f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 234f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 235f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 236bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 237bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 238c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 239c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 240c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 241898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 242898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 243898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 244898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 245898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 246898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 247fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 248fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman unsigned EltTypeQuals); 249fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 250c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 251c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 252c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 253c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 254c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 255c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 256bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 257bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 258c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 259c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 260c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26273322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 26373322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 26473322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 26573322924127c873c13101b705dd823f5539ffa5fSteve Naroff 266213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 267213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 268213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 269213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 27372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getFunctionNoProtoType(QualType ResultTy); 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 27786da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 278971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 2797fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis unsigned TypeQuals); 2802ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2812ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 2822ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 2834b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 2842ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 288a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCInterfaceType(ObjCInterfaceDecl *Decl); 289f3710babc1ba40779c0fc64e6657cfc84dee7545Fariborz Jahanian QualType buildObjCInterfaceType(ObjCInterfaceDecl *Decl); 290fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 291fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 292fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name = 0); 293fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 29455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor QualType getClassTemplateSpecializationType(TemplateDecl *Template, 29540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor const TemplateArgument *Args, 29655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs, 29740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor QualType Canon = QualType()); 29855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 299ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualType getQualifiedNameType(NestedNameSpecifier *NNS, 300e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType); 301d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType getTypenameType(NestedNameSpecifier *NNS, 302d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 303d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon = QualType()); 304e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 305a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 306a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 3074b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 308a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 30992dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner ObjCProtocolDecl **ProtocolList, 31092dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner unsigned NumProtocols); 311c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 312a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 313c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 31462f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner QualType getObjCQualifiedIdType(ObjCProtocolDecl **ProtocolList, 315c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 316c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 318d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 31972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 320d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 321d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 329fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 3303a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 3313a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 3323a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 3333a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 33464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 33564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 33664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 33764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 33864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 33964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 34064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 34164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3438b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 3448b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 3458b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 3468b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 347beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 348beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 34971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 35071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 351983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 352a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 353a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 354a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 3552198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 356b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 357bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 358bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 359bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 360d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 361d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 362d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 3637d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 36443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FieldDecl *Field=NULL) const; 365a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 366a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 36733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 368ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 369a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 370ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 371ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 372a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 37333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 374c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 375c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 376c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 377c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 378c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 379c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 38077a49f6b1e5741f6bda71eb7837b43343925027bArgyrios Kyrtzidis void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 381c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 382c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 38333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 384a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 38533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 386a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 38785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 388d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 389d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 390a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 391d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCIdType(TypedefDecl *Decl); 392b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 393a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCSelType(TypedefDecl *Decl); 394a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 395b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 396a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 397a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 398390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 399d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 400d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 401d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 402a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 403d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCClassType(TypedefDecl *Decl); 4048baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 405b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 406b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 407f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 408f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman QualType getFixedWidthIntType(unsigned Width, bool Signed); 409f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 410d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 411d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor QualType getFromTargetType(unsigned Type) const; 412b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 413464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 414b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 415b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 416d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor 417d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 418b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// isObjCObjectPointerType - Returns true if type is an Objective-C pointer 419b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to an object type. This includes "id" and "Class" (two 'special' pointers 420b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified 421b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// ID type). 422b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek bool isObjCObjectPointerType(QualType Ty) const; 4234fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 4244fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 4254fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 4264fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 4274fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian QualType::GCAttrTypes getObjCGCAttrKind(const QualType &Ty) const; 428fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 429fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 430fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 431fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 432b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 433b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 434464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 435464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 436464175bba1318bef7905122e9fda20cff926df78Chris Lattner 437b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 438b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 439b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 440b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 441464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 442464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 4431d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 4441d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 4451d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 4461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 447464175bba1318bef7905122e9fda20cff926df78Chris Lattner 448464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 449464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 45098be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 45198be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 452464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 4531d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 4541d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 4551d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 456464175bba1318bef7905122e9fda20cff926df78Chris Lattner 45734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 45834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 45998be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 46098be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 461464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 4621d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 4631d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 4641d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 465464175bba1318bef7905122e9fda20cff926df78Chris Lattner 46634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 46734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 46834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 46934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 47034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 47134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 472b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// getDeclAlignInBytes - Return the alignment of the specified decl 473b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// that should be returned by __alignof(). Note that bitfields do 474b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// not have a valid alignment, so this method will assert on them. 475b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar unsigned getDeclAlignInBytes(const Decl *D); 476af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner 47788a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 478464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 479464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 48098be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 481464175bba1318bef7905122e9fda20cff926df78Chris Lattner 48244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 483a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl *addRecordToClass(const ObjCInterfaceDecl *D); 48488e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 48588e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian std::vector<FieldDecl*> &Fields) const; 486efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const FieldDecl *getFieldDecl(const ObjCIvarRefExpr *MRef) { 487efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr *, const FieldDecl*>::iterator I 488efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian = ASTFieldForIvarRef.find(MRef); 489efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian assert (I != ASTFieldForIvarRef.end() && "Unable to find field_decl"); 490efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian return I->second; 491efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian } 492efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian void setFieldDecl(const ObjCInterfaceDecl *OI, 493efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarDecl *Ivar, 494efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarRefExpr *MRef); 495464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 496464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 497464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 498464175bba1318bef7905122e9fda20cff926df78Chris Lattner 49977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 50077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 50177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 50277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 50377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 50477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 50577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 5061d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 5071d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 5081d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 5092a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 5108e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 5118e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 5128e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 5138e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 5148e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 5158e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 5168e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 5178e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 5188e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T1 = getCanonicalType(T1); 5198e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T2 = getCanonicalType(T2); 5208e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return T1.getUnqualifiedType() == T2.getUnqualifiedType(); 5218e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 5228e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 5232a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// \brief Retrieves the "canonical" declaration of the given tag 5242a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// declaration. 5252a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// 5262a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// The canonical declaration for the given tag declaration is 5272a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// either the definition of the tag (if it is a complete type) or 5282a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// the first declaration of that tag. 5292a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor TagDecl *getCanonicalDecl(TagDecl *Tag) { 5302a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor QualType T = getTagDeclType(Tag); 531befc20e1dc869edb0e7b560e69f32d5c71f867abDouglas Gregor return cast<TagDecl>(cast<TagType>(T.getTypePtr()->CanonicalType) 532befc20e1dc869edb0e7b560e69f32d5c71f867abDouglas Gregor ->getDecl()); 5332a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 5342a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 535d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieves the "canonical" nested name specifier for a 536d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// given nested name specifier. 537d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 538d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// The canonical nested name specifier is a nested name specifier 539d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// that uniquely identifies a type or namespace within the type 540d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// system. For example, given: 541d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 542d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \code 543d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// namespace N { 544d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// struct S { 545d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct X { typename T* type; }; 546d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 547d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// } 548d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 549d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct Y { 550d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// typename N::S::X<T>::type member; 551d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 552d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \endcode 553d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 554d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// Here, the nested-name-specifier for N::S::X<T>:: will be 555d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// S::X<template-param-0-0>, since 'S' and 'X' are uniquely defined 556d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// by declarations in the type system and the canonical type for 557d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// the template type parameter 'T' is template-param-0-0. 558d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier * 559d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS); 560d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 561c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 562c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 563c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 564c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 565c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 566c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 567c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 568c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 569c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 570c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 571c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 572c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 573c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 574c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 5756183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 5766183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// getBaseElementType - Returns the innermost element type of a variable 5776183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// length array type. For example, will return "int" for int[m][n] 5786183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType getBaseElementType(const VariableArrayType *VAT); 579c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 580e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 581e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 582e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 583e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 584e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 585e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 586e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 587e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 5887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 5897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 5907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 5917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 592a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 593a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 594a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 595a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 596a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 597a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 599716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 600716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 601716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 602716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 603f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 604f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 605ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 606f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 607f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 608f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 609f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 610f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 611f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 612ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 613ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 614ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 615ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 616ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 617ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 6181c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff bool typesAreBlockCompatible(QualType lhs, QualType rhs); 619ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 620a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 621389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCIdType; 622389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 623389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCIdStructType(QualType T) const { 62445ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 62545ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 626ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 627ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 628a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 629389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCClassType; 630389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 631389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCClassStructType(QualType T) const { 63245ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 63345ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 6348baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 6358baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 636a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 637a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 6388baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 6398baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 6408baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 6413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 6423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 6433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 644389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 6453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 6463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 6473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 6483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 6493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 650368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 651ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 652ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 653ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 654ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 655ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 656ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 657ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 658ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 659ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 660ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 661ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 662ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 663ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 664e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 665e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 666e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 667e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 668e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 669e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 670e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 671e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 672e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 673e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_end() const { return Types.end(); } 674e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 675e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 676368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner // Serialization 677368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 678368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 679a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner void EmitAll(llvm::Serializer& S) const; 680a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner static ASTContext* CreateAll(llvm::Deserializer &D, 681a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner FileManager &FMgr); 682a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 683368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner void Emit(llvm::Serializer& S) const; 684368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner static ASTContext* Create(llvm::Deserializer& D); 685368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 6860cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 6870cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 6880cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 6890cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 6900cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 6910cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 6920cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 6930cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 6940cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 6950cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 6960cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 6970cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 7044b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 70582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 70682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar void getObjCEncodingForTypeImpl(QualType t, std::string &S, 70782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 70882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 7095b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian FieldDecl *Field, 710090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 711090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool EncodingProperty = false) const; 7123e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 714e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 7155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 717e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 718e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 719e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 720e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 721e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 722e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 723e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 724e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 725e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 726e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 727e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 728e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 729e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 730e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 731e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 732e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 733e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 7344398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 735e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 736e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 737e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 73842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 73942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 740e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 741e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 742e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl size_t Alignment = 16) throw () { 743c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 744e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 745e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 746e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 747e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 748e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 749e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 750e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 7517106a3aea3cdbf409aed3e32235d909a47e25501Steve Naroffinline void operator delete(void *Ptr, clang::ASTContext &C) 752e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 753c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 754e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 755e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 75642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 75742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 75842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 75942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 76042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 76142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Default alignment (16) 76242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 76342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 76442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context, 8) char[10]; 76542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 76642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 76742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 7684398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 76942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 77042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 77142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 77242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 77342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 77442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 77542542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 77642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek size_t Alignment = 16) throw () { 77742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 77842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 77942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 78042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 78142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 78242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 78342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 78442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 78542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 78642542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void operator delete[](void *Ptr, clang::ASTContext &C) throw () { 78742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 78842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 78942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 791