ASTContext.h revision ad75653f81dece1c806e9c28dd7e7582c9929a27
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" 21464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 22e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/Basic/SourceLocation.h" 23464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 2468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 257192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 266c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 30b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 31b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 32b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 34e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 35e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 36c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 37e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 38e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 39d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 40e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 41e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 42c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 43e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 44e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 4872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 49efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class FieldDecl; 50efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarRefExpr; 51efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarDecl; 52efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 552bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 57f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian llvm::FoldingSet<ExtQualType> ExtQualTypes; 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<LValueReferenceType> LValueReferenceTypes; 627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<RValueReferenceType> RValueReferenceTypes; 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; 6972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionNoProtoType> FunctionNoProtoTypes; 7072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionProtoType> FunctionProtoTypes; 71fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 7255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor llvm::FoldingSet<ClassTemplateSpecializationType> 7355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor ClassTemplateSpecializationTypes; 74e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSet<QualifiedNameType> QualifiedNameTypes; 75a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 76a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedIdType> ObjCQualifiedIdTypes; 7788a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 78a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 7988a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 8044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel llvm::DenseMap<const ObjCInterfaceDecl*, 8144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout*> ASTObjCInterfaces; 82f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 83f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> SignedFixedWidthIntTypes; 84f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> UnsignedFixedWidthIntTypes; 85f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 86be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // FIXME: Shouldn't ASTRecordForInterface/ASTFieldForIvarRef and 87be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // addRecordToClass/getFieldDecl be part of the backend (i.e. CodeGenTypes and 88be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // CodeGenFunction)? 89a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian llvm::DenseMap<const ObjCInterfaceDecl*, 90a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl*> ASTRecordForInterface; 91efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr*, const FieldDecl*> ASTFieldForIvarRef; 92a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 93b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 94b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 95b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 96b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 977e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 986083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 99a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 1007e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 1012198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 1026083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 103a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 104b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 105b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1066083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 107a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 108390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1098baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1106083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 111a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 1128baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 113390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 114a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1152198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1167a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 117bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 118bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 119ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 120ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 121e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 122b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 123e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 124e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 125e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 126e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 127e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 128c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 129c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 130c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 131c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 1327a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekpublic: 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 13471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 13529238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 1362e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 1372e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1387a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 139c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 140c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 141c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 142c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 143c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void Deallocate(void *Ptr) { 144c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 145c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff MallocAlloc.Deallocate(Ptr); 146c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 147e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 1486c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1499c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 1509c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 1519c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 152ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 153ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 154ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 155a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 156a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 157a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 1643a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 17033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1718e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor QualType OverloadTy; 172898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType DependentTy; 1738e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 174e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 175c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff IdentifierTable &idents, SelectorTable &sels, 176c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory = true, unsigned size_reserve=0); 177fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 18103ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 18203ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 183464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 184464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 185464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 186d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 187f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// getAddSpaceQualType - Return the uniqued reference to the type for an 188f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// address space qualified type with the specified type and address space. 189f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// The resulting type has a union of the qualifiers from T and the address 190f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// space. If T already has an address space specifier, it is silently 191f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 192f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 193ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 194d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 195d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 196d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 197d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType getObjCGCQualType(QualType T, QualType::GCAttrTypes gcAttr); 198d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 2065618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 2075618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 2085618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 2095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 210f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 2127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 2137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getLValueReferenceType(QualType T); 2147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 2157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 2167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 2177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 218f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 219f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 220f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 221f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 222f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 223f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 224bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 225bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 226c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 227c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 228c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 229898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 230898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 231898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 232898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 233898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 234898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 235fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 236fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman unsigned EltTypeQuals); 237fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 238c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 239c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 240c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 241c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 242c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 243c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 244bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 245bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 246c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 247c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 248c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25073322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 25173322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 25273322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 25373322924127c873c13101b705dd823f5539ffa5fSteve Naroff 254213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 255213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 256213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 257213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 26172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getFunctionNoProtoType(QualType ResultTy); 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 26586da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 266971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 2677fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis unsigned TypeQuals); 2682ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2692ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 2702ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 2714b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 2722ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 276a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCInterfaceType(ObjCInterfaceDecl *Decl); 277f3710babc1ba40779c0fc64e6657cfc84dee7545Fariborz Jahanian QualType buildObjCInterfaceType(ObjCInterfaceDecl *Decl); 278fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 279fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 280fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name = 0); 281fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 28255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor QualType getClassTemplateSpecializationType(TemplateDecl *Template, 28340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor const TemplateArgument *Args, 28455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs, 28540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor QualType Canon = QualType()); 28655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 287e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getQualifiedNameType(const NestedNameSpecifier *Components, 288e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor unsigned NumComponents, 289e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType); 290e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 291a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 292a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 2934b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 294a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 29592dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner ObjCProtocolDecl **ProtocolList, 29692dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner unsigned NumProtocols); 297c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 298a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 299c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 30062f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner QualType getObjCQualifiedIdType(ObjCProtocolDecl **ProtocolList, 301c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 302c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 304d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 30572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 306d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 307d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 315fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 3163a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 3173a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 3183a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 3193a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 32064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 32164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 32264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 32364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 32464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 32564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 32664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 32764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3298b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 3308b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 3318b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 3328b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 333beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 334beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 33571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 33671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 337983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 338a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 339a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 340a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 3412198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 342b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 343bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 344bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 345bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 346d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 347d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 348d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 3497d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 35043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FieldDecl *Field=NULL) const; 351a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 352a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 35333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 354ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 355a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 356ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 357ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 358a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 35933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 360c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 361c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 362c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 363c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 364c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 365c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 36677a49f6b1e5741f6bda71eb7837b43343925027bArgyrios Kyrtzidis void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 367c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 368c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 36933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 370a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 37133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 372a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 37385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 374d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 375d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 376a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 377d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCIdType(TypedefDecl *Decl); 378b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 379a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCSelType(TypedefDecl *Decl); 380a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 381b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 382a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 383a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 384390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 385d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 386d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 387d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 388a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 389d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCClassType(TypedefDecl *Decl); 3908baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 391b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 392b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 393f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 394f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman QualType getFixedWidthIntType(unsigned Width, bool Signed); 395f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 396d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 397d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor QualType getFromTargetType(unsigned Type) const; 398b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 399464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 400b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 401b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 402d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor 403d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 404b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// isObjCObjectPointerType - Returns true if type is an Objective-C pointer 405b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to an object type. This includes "id" and "Class" (two 'special' pointers 406b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified 407b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// ID type). 408b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek bool isObjCObjectPointerType(QualType Ty) const; 4094fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 4104fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 4114fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 4124fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 4134fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian QualType::GCAttrTypes getObjCGCAttrKind(const QualType &Ty) const; 414fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 415fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 416fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 417fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 418b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 419b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 420464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 421464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 422464175bba1318bef7905122e9fda20cff926df78Chris Lattner 423b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 424b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 425b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 426b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 427464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 428464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 4291d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 4301d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 4311d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 4321d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 433464175bba1318bef7905122e9fda20cff926df78Chris Lattner 434464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 435464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 43698be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 43798be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 438464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 4391d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 4401d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 4411d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 442464175bba1318bef7905122e9fda20cff926df78Chris Lattner 44334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 44434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 44598be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 44698be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 447464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 4481d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 4491d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 4501d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 451464175bba1318bef7905122e9fda20cff926df78Chris Lattner 45234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 45334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 45434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 45534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 45634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 45734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 458b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// getDeclAlignInBytes - Return the alignment of the specified decl 459b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// that should be returned by __alignof(). Note that bitfields do 460b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// not have a valid alignment, so this method will assert on them. 461b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar unsigned getDeclAlignInBytes(const Decl *D); 462af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner 46388a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 464464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 465464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 46698be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 467464175bba1318bef7905122e9fda20cff926df78Chris Lattner 46844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 469a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl *addRecordToClass(const ObjCInterfaceDecl *D); 47088e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 47188e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian std::vector<FieldDecl*> &Fields) const; 472efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const FieldDecl *getFieldDecl(const ObjCIvarRefExpr *MRef) { 473efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr *, const FieldDecl*>::iterator I 474efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian = ASTFieldForIvarRef.find(MRef); 475efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian assert (I != ASTFieldForIvarRef.end() && "Unable to find field_decl"); 476efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian return I->second; 477efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian } 478efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian void setFieldDecl(const ObjCInterfaceDecl *OI, 479efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarDecl *Ivar, 480efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarRefExpr *MRef); 481464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 482464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 483464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 484464175bba1318bef7905122e9fda20cff926df78Chris Lattner 48577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 48677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 48777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 48877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 48977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 49077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 49177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 4921d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 4931d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 4941d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 4952a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 4968e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 4978e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 4988e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 4998e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 5008e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 5018e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 5028e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 5038e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 5048e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T1 = getCanonicalType(T1); 5058e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T2 = getCanonicalType(T2); 5068e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return T1.getUnqualifiedType() == T2.getUnqualifiedType(); 5078e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 5088e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 5092a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// \brief Retrieves the "canonical" declaration of the given tag 5102a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// declaration. 5112a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// 5122a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// The canonical declaration for the given tag declaration is 5132a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// either the definition of the tag (if it is a complete type) or 5142a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor /// the first declaration of that tag. 5152a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor TagDecl *getCanonicalDecl(TagDecl *Tag) { 5162a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor QualType T = getTagDeclType(Tag); 517befc20e1dc869edb0e7b560e69f32d5c71f867abDouglas Gregor return cast<TagDecl>(cast<TagType>(T.getTypePtr()->CanonicalType) 518befc20e1dc869edb0e7b560e69f32d5c71f867abDouglas Gregor ->getDecl()); 5192a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 5202a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 521c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 522c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 523c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 524c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 525c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 526c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 527c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 528c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 529c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 530c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 531c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 532c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 533c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 534c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 5356183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 5366183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// getBaseElementType - Returns the innermost element type of a variable 5376183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// length array type. For example, will return "int" for int[m][n] 5386183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType getBaseElementType(const VariableArrayType *VAT); 539c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 540e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 541e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 542e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 543e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 544e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 545e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 546e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 547e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 5487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 5497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 5507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 5517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 552a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 553a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 554a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 555a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 556a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 557a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 559716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 560716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 561716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 562716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 563f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 564f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 565ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 566f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 567f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 568f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 569f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 570f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 571f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 572ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 573ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 574ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 575ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 576ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 577ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 5781c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff bool typesAreBlockCompatible(QualType lhs, QualType rhs); 579ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 580a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 581389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCIdType; 582389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 583389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCIdStructType(QualType T) const { 58445ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 58545ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 586ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 587ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 588a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 589389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return T == ObjCClassType; 590389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 591389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool isObjCClassStructType(QualType T) const { 59245ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 59345ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 5948baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 5958baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 596a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 597a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 5988baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 5998baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 6008baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 6013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 6023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 6033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 604389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 6053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 6063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 6073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 6083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 6093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 610368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 611ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 612ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 613ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 614ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 615ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 616ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 617ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 618ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 619ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 620ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 621ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 622ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 623ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 624e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 625e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 626e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 627e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 628e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 629e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 630e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 631e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 632e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 633e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_end() const { return Types.end(); } 634e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 635e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 636368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner // Serialization 637368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 638368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 639368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner void Emit(llvm::Serializer& S) const; 640368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner static ASTContext* Create(llvm::Deserializer& D); 641368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 6420cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 6430cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 6440cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 6450cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 6460cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 6470cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 6480cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 6490cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 6500cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 6510cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 6520cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 6530cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 6555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 6604b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 66182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 66282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar void getObjCEncodingForTypeImpl(QualType t, std::string &S, 66382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 66482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 6655b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian FieldDecl *Field, 666090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 667090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool EncodingProperty = false) const; 6683e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 670e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 673e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 674e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 675e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 676e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 677e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 678e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 679e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 680e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 681e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 682e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 683e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 684e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 685e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 686e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 687e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 688e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 689e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 6904398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 691e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 692e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 693e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 69442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 69542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 696e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 697e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 698e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl size_t Alignment = 16) throw () { 699c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 700e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 701e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 702e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 703e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 704e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 705e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 706e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 7077106a3aea3cdbf409aed3e32235d909a47e25501Steve Naroffinline void operator delete(void *Ptr, clang::ASTContext &C) 708e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 709c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 710e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 711e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 71242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 71342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 71442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 71542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 71642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 71742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Default alignment (16) 71842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 71942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 72042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context, 8) char[10]; 72142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 72242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 72342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 7244398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 72542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 72642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 72742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 72842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 72942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 73042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 73142542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 73242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek size_t Alignment = 16) throw () { 73342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 73442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 73542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 73642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 73742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 73842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 73942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 74042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 74142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 74242542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void operator delete[](void *Ptr, clang::ASTContext &C) throw () { 74342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 74442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 74542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 747