ASTContext.h revision 3a2503227c3db04a3619735127483263c1075ef7
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" 202e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#include "clang/AST/DeclarationName.h" 21e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/DeclBase.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 { 35e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 36e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 37c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 38e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 39e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 40d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 41e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 43c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 44e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 48e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 4972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 50efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class FieldDecl; 51efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarRefExpr; 52efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarDecl; 53efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 562bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 58f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian llvm::FoldingSet<ExtQualType> ExtQualTypes; 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ReferenceType> ReferenceTypes; 63f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 647192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 65c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 66c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 67898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor std::vector<DependentSizedArrayType*> DependentSizedArrayTypes; 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeNoProto> FunctionTypeNoProtos; 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeProto> FunctionTypeProtos; 71fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 7255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor llvm::FoldingSet<ClassTemplateSpecializationType> 7355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor ClassTemplateSpecializationTypes; 74a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 75a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedIdType> ObjCQualifiedIdTypes; 7688a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 77a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 7888a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 7944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel llvm::DenseMap<const ObjCInterfaceDecl*, 8044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout*> ASTObjCInterfaces; 81f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 82f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> SignedFixedWidthIntTypes; 83f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> UnsignedFixedWidthIntTypes; 84f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 85be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // FIXME: Shouldn't ASTRecordForInterface/ASTFieldForIvarRef and 86be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // addRecordToClass/getFieldDecl be part of the backend (i.e. CodeGenTypes and 87be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // CodeGenFunction)? 88a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian llvm::DenseMap<const ObjCInterfaceDecl*, 89a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl*> ASTRecordForInterface; 90efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr*, const FieldDecl*> ASTFieldForIvarRef; 91a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 92b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 93b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 94b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 95b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 967e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 976083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 98a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 997e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 1002198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 1016083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 102a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 103b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 104b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1056083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 106a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 107390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1088baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1096083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 110a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 1118baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 112390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 113a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1142198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1157a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 116bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 117bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 118ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 119ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 120e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 121b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 122e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 123e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 124e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 125e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 126e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 127c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 128c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 129c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 130c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 1317a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekpublic: 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 13371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 13429238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 1352e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 1362e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1377a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 138c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 139c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 140c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 141c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 142c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void Deallocate(void *Ptr) { 143c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 144c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff MallocAlloc.Deallocate(Ptr); 145c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 146e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 1476c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1489c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 1499c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 1509c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 151ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 152ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 153ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 154a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 155a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 156a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 1633a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 16933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1708e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor QualType OverloadTy; 171898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType DependentTy; 1728e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 173e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 174c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff IdentifierTable &idents, SelectorTable &sels, 175c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory = true, unsigned size_reserve=0); 176fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 18003ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 18103ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 182464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 183464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 184464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 185d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 186f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// getAddSpaceQualType - Return the uniqued reference to the type for an 187f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// address space qualified type with the specified type and address space. 188f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// The resulting type has a union of the qualifiers from T and the address 189f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// space. If T already has an address space specifier, it is silently 190f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 191f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 192ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 193d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 194d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 195d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 196d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType getObjCGCQualType(QualType T, QualType::GCAttrTypes gcAttr); 197d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 2055618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 2065618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 2075618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 2085618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 209f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getReferenceType - Return the uniqued reference to the type for a 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference to the specified type. 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getReferenceType(QualType T); 213f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 214f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 215f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 216f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 217f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 218f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 219bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 220bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 221c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 222c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 223c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 224898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 225898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 226898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 227898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 228898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 229898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 230fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 231fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman unsigned EltTypeQuals); 232fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 233c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 234c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 235c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 236c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 237c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 238c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 239bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 240bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 241c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 242c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 243c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24573322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 24673322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 24773322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 24873322924127c873c13101b705dd823f5539ffa5fSteve Naroff 249213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 250213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 251213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 252213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionTypeNoProto - Return a K&R style C function type like 'int()'. 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionTypeNoProto(QualType ResultTy); 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 26086da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 261971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 2627fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis unsigned TypeQuals); 2632ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2642ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 2652ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 2664b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 2672ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 271a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCInterfaceType(ObjCInterfaceDecl *Decl); 272f3710babc1ba40779c0fc64e6657cfc84dee7545Fariborz Jahanian QualType buildObjCInterfaceType(ObjCInterfaceDecl *Decl); 273fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 274fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 275fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name = 0); 276fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 27755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor QualType getClassTemplateSpecializationType(TemplateDecl *Template, 27855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs, 27955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor uintptr_t *Args, bool *ArgIsType, 28055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor QualType Canon); 28155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 282a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 283a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 2844b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 285a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 28692dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner ObjCProtocolDecl **ProtocolList, 28792dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner unsigned NumProtocols); 288c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 289a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 290c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 29162f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner QualType getObjCQualifiedIdType(ObjCProtocolDecl **ProtocolList, 292c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 293c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 295d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 2968d1a3b8ca1e5fcc4567b5a6f51d82be2e460de1cSteve Naroff QualType getTypeOfExpr(Expr *e); 297d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 298d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 306fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 3073a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 3083a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 3093a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 3103a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 31164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 31264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 31364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 31464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 31564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 31664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 31764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 31864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3208b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 3218b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 3228b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 3238b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 324beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 325beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 32671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 32771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 328983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 329a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 330a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 331a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 3322198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 333b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 334bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 335bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 336bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 337d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 338d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 339d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 3407d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 34143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FieldDecl *Field=NULL) const; 342a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 343a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 34433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 345ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 346a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 347ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 348ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 349a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 35033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 351c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 352c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 353c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 354c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 355c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 356c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 35777a49f6b1e5741f6bda71eb7837b43343925027bArgyrios Kyrtzidis void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 358c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 359c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 36033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 361a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 36233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 363a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 36485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 365d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 366d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 367a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 368d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCIdType(TypedefDecl *Decl); 369b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 370a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCSelType(TypedefDecl *Decl); 371a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 372b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 373a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 374a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 375390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 376d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 377d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 378d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 379a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 380d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCClassType(TypedefDecl *Decl); 3818baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 382b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 383b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 384f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 385f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman QualType getFixedWidthIntType(unsigned Width, bool Signed); 386f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 387d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 388d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor QualType getFromTargetType(unsigned Type) const; 389b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 390464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 391b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 392b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 393d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor 394d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 395b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// isObjCObjectPointerType - Returns true if type is an Objective-C pointer 396b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to an object type. This includes "id" and "Class" (two 'special' pointers 397b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified 398b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// ID type). 399b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek bool isObjCObjectPointerType(QualType Ty) const; 4004fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 4014fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 4024fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 4034fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 4044fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian QualType::GCAttrTypes getObjCGCAttrKind(const QualType &Ty) const; 405fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 406fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 407fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 408fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 409b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 410b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 411464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 412464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 413464175bba1318bef7905122e9fda20cff926df78Chris Lattner 414b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 415b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 416b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 417b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 418464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 419464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 4201d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 4211d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 4221d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 4231d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 424464175bba1318bef7905122e9fda20cff926df78Chris Lattner 425464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 426464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 42798be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 42898be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 429464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 4301d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 4311d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 4321d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 433464175bba1318bef7905122e9fda20cff926df78Chris Lattner 43434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 43534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 43698be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 43798be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 438464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 4391d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 4401d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 4411d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 442464175bba1318bef7905122e9fda20cff926df78Chris Lattner 44334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 44434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 44534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 44634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 44734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 44834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 449b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// getDeclAlignInBytes - Return the alignment of the specified decl 450b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// that should be returned by __alignof(). Note that bitfields do 451b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// not have a valid alignment, so this method will assert on them. 452b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar unsigned getDeclAlignInBytes(const Decl *D); 453af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner 45488a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 455464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 456464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 45798be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 458464175bba1318bef7905122e9fda20cff926df78Chris Lattner 45944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 460a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl *addRecordToClass(const ObjCInterfaceDecl *D); 461efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const FieldDecl *getFieldDecl(const ObjCIvarRefExpr *MRef) { 462efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr *, const FieldDecl*>::iterator I 463efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian = ASTFieldForIvarRef.find(MRef); 464efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian assert (I != ASTFieldForIvarRef.end() && "Unable to find field_decl"); 465efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian return I->second; 466efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian } 467efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian void setFieldDecl(const ObjCInterfaceDecl *OI, 468efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarDecl *Ivar, 469efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarRefExpr *MRef); 470464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 471464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 472464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 473464175bba1318bef7905122e9fda20cff926df78Chris Lattner 47477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 47577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 47677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 47777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 47877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 47977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 48077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 4811d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 4821d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 4831d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 4842a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 4858e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 4868e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 4878e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 4888e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 4898e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 4908e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 4918e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 4928e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 4938e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T1 = getCanonicalType(T1); 4948e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T2 = getCanonicalType(T2); 4958e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return T1.getUnqualifiedType() == T2.getUnqualifiedType(); 4968e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 4978e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 4982a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// \brief Retrieves the "canonical" declaration of the given tag 4992a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// declaration. 5002a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// 5012a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// The canonical declaration for the given tag declaration is 5022a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// either the definition of the tag (if it is a complete type) or 5032a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// the first declaration of that tag. 5042a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor TagDecl *getCanonicalDecl(TagDecl *Tag) { 5052a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor QualType T = getTagDeclType(Tag); 5062a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor return cast<TagDecl>(cast<TagType>(T)->getDecl()); 5072a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 5082a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 509c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 510c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 511c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 512c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 513c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 514c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 515c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 516c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 517c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 518c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 519c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 520c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 521c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 522c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 5236183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 5246183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// getBaseElementType - Returns the innermost element type of a variable 5256183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// length array type. For example, will return "int" for int[m][n] 5266183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType getBaseElementType(const VariableArrayType *VAT); 527c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 528e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 529e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 530e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 531e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 532e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 533e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 534e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 535e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 5367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 5377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 5387cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 5397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 540a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 541a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 542a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 543a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 544a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 545a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 547716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 548716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 549716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 550716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 551f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 552f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 553ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 554f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 555f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 556f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 557f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 558f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 559f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 560ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 561ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 562ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 563ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 564ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 565ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 5661c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff bool typesAreBlockCompatible(QualType lhs, QualType rhs); 567ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 568a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 569389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCIdType; 570389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 571389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCIdStructType(QualType T) const { 57245ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 57345ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 574ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 575ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 576a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 577389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCClassType; 578389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 579389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCClassStructType(QualType T) const { 58045ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 58145ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 5828baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 5838baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 584a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 585a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 5868baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 5878baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 5888baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 5893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 5903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 5913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 592389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 5933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 5953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 5963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 5973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 598368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 599ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 600ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 601ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 602ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 603ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 604ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 605ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 606ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 607ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 608ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 609ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 610ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 611ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 612e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 613e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 614e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 615e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 616e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 617e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 618e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 619e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 620e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 621e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_end() const { return Types.end(); } 622e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 623e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 624368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner // Serialization 625368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 626368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 627368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner void Emit(llvm::Serializer& S) const; 628368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner static ASTContext* Create(llvm::Deserializer& D); 629368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 6300cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 6310cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 6320cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 6330cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 6340cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 6350cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 6360cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 6370cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 6380cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 6390cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 6400cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 6410cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 6484b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 64982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 65082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar void getObjCEncodingForTypeImpl(QualType t, std::string &S, 65182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 65282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 6535b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian FieldDecl *Field, 654090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 655090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool EncodingProperty = false) const; 6563e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 658e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 661e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 662e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 663e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 664e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 665e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 666e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 667e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 668e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 669e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 670e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 671e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 672e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 673e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 674e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 675e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 676e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 677e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 6784398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 679e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 680e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 681e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 68242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 68342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 684e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 685e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 686e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl size_t Alignment = 16) throw () { 687c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 688e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 689e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 690e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 691e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 692e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 693e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 694e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 6957106a3aea3cdbf409aed3e32235d909a47e25501Steve Naroffinline void operator delete(void *Ptr, clang::ASTContext &C) 696e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 697c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 698e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 699e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 70042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 70142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 70242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 70342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 70442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 70542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Default alignment (16) 70642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 70742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 70842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context, 8) char[10]; 70942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 71042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 71142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 7124398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 71342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 71442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 71542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 71642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 71742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 71842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 71942542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 72042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek size_t Alignment = 16) throw () { 72142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 72242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 72342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 72442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 72542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 72642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 72742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 72842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 72942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 73042542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void operator delete[](void *Ptr, clang::ASTContext &C) throw () { 73142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 73242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 73342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 735