ASTContext.h revision 782fa308a765aeac2acb39c4e697c937ec21185b
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.h - Context to hold long-lived AST nodes ----*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_ASTCONTEXT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_ASTCONTEXT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 172e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#include "clang/Basic/IdentifierTable.h" 18e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek#include "clang/Basic/LangOptions.h" 199f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor#include "clang/AST/Attr.h" 20ad75653f81dece1c806e9c28dd7e7582c9929a27Ted Kremenek#include "clang/AST/Decl.h" 21ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 22d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 24464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 25464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 2668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 272cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "llvm/ADT/OwningPtr.h" 286c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 32b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 33b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 34b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 36a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner class FileManager; 37e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 38e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 392cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor class ExternalASTSource; 40c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 41e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 43d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 44e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 46c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 48e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 49e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 50e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 51e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 5272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 53efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class FieldDecl; 54efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarRefExpr; 55efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarDecl; 56efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian 571b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner namespace Builtin { class Context; } 581b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 612bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 63f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian llvm::FoldingSet<ExtQualType> ExtQualTypes; 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<LValueReferenceType> LValueReferenceTypes; 687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<RValueReferenceType> RValueReferenceTypes; 69f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 707192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 71c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 72c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 73898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor std::vector<DependentSizedArrayType*> DependentSizedArrayTypes; 749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor std::vector<DependentSizedExtVectorType*> DependentSizedExtVectorTypes; 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 7672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionNoProtoType> FunctionNoProtoTypes; 7772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionProtoType> FunctionProtoTypes; 78fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<TemplateSpecializationType> TemplateSpecializationTypes; 80e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSet<QualifiedNameType> QualifiedNameTypes; 81d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSet<TypenameType> TypenameTypes; 82c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff llvm::FoldingSet<ObjCInterfaceType> ObjCInterfaceTypes; 83d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSet<ObjCObjectPointerType> ObjCObjectPointerTypes; 84ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<QualifiedTemplateName> QualifiedTemplateNames; 867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<DependentTemplateName> DependentTemplateNames; 877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 88ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The set of nested name specifiers. 89ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// 90ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// This set is managed by the NestedNameSpecifier class. 91ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor llvm::FoldingSet<NestedNameSpecifier> NestedNameSpecifiers; 92ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *GlobalNestedNameSpecifier; 93ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor friend class NestedNameSpecifier; 94ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 9588a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 96a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 9788a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 98b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar llvm::DenseMap<const ObjCContainerDecl*, const ASTRecordLayout*> ObjCLayouts; 99f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Mapping from ObjCContainers to their ObjCImplementations. 1018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*> ObjCImpls; 1028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 103f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> SignedFixedWidthIntTypes; 104f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> UnsignedFixedWidthIntTypes; 105a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 106b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 107b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 108b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 109b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 110d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1116083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 112de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCIdTypedefType; 1132198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 1146083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 115a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 116b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 117b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1186083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 119a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 120390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1218baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1226083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 123de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCClassTypedefType; 124390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 125a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1262198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1277a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 128bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 129bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 130c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief The type for the C FILE type. 131c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor TypeDecl *FILEDecl; 132c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor 133782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief The type for the C FILE type. 134782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *jmp_bufDecl; 135782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 136782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief The type for the C FILE type. 137782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *sigjmp_bufDecl; 138782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 13968584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Keeps track of all declaration attributes. 14068584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// 14168584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// Since so few decls have attrs, we keep them in a hash map instead of 14268584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// wasting space in the Decl class. 14368584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor llvm::DenseMap<const Decl*, Attr*> DeclAttrs; 1442455636163fdd18581d7fdae816433f886d88213Mike Stump 1457caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Keeps track of the static data member templates from which 1467caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static data members of class template specializations were instantiated. 1477caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// This data structure stores the mapping from instantiations of static 1497caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// data members to the static data member representations within the 1507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// class template from which they were instantiated. 1517caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1527caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// Given the following example: 1537caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \code 1557caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 1567caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// struct X { 1577caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static T value; 1587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// }; 1597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 1617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// T X<T>::value = T(17); 1627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1637caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// int *x = &X<int>::value; 1647caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \endcode 1657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// This mapping will contain an entry that maps from the VarDecl for 1677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// X<int>::value to the corresponding VarDecl for X<T>::value (within the 1687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// class template X). 1697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor llvm::DenseMap<VarDecl *, VarDecl *> InstantiatedFromStaticDataMember; 1707caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 171ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 172ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 173e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 174b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 175e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 176e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 177e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 178e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 179e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 1802e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Whether we have already loaded comment source ranges from an 1812e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// external source. 1822e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool LoadedExternalComments; 1832e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 184c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 185c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 186c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 187c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 1882e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 1892e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Mapping from declarations to their comments, once we have 1902e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// already looked up the comment associated with a given declaration. 1912e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor llvm::DenseMap<const Decl *, std::string> DeclComments; 1922e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 1936ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregorpublic: 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 19571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 19629238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 1971b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &BuiltinInfo; 1982e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 1992cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor llvm::OwningPtr<ExternalASTSource> ExternalSource; 200d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor clang::PrintingPolicy PrintingPolicy; 2012e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2022e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Source ranges for all of the comments in the source file, 2032e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// sorted in order of appearance in the translation unit. 2042e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange> Comments; 2052e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2067a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 207a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner const SourceManager& getSourceManager() const { return SourceMgr; } 208c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 209c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 210c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 211c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 212c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void Deallocate(void *Ptr) { 213c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 214c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff MallocAlloc.Deallocate(Ptr); 215c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 216e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 2176c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 2189c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 2199c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 2209c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 221ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 22268584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Retrieve the attributes for the given declaration. 22368584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor Attr*& getDeclAttrs(const Decl *D) { return DeclAttrs[D]; } 22468584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor 22568584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Erase the attributes corresponding to the given declaration. 22668584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor void eraseDeclAttrs(const Decl *D) { DeclAttrs.erase(D); } 2272455636163fdd18581d7fdae816433f886d88213Mike Stump 2287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief If this variable is an instantiated static data member of a 2297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// class template specialization, returns the templated static data member 2307caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// from which it was instantiated. 2317caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *getInstantiatedFromStaticDataMember(VarDecl *Var); 2327caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2337caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Note that the static data member \p Inst is an instantiation of 2347caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// the static data member template \p Tmpl of a class template. 2357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor void setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl); 2367caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 237ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 238ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 2392e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char *getCommentForDecl(const Decl *D); 2402e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 245f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith QualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 246f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith QualType Char16Ty; // [C++0x 3.9.1p5], integer type in C99. 247f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith QualType Char32Ty; // [C++0x 3.9.1p5], integer type in C99. 2482df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy, Int128Ty; 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 2502df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner QualType UnsignedLongLongTy, UnsignedInt128Ty; 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 2536e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl QualType VoidPtrTy, NullPtrTy; 2548e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor QualType OverloadTy; 255898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType DependentTy; 256e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson QualType UndeducedAutoTy; 257de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCBuiltinIdTy, ObjCBuiltinClassTy; 2588e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 259e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 2601b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner IdentifierTable &idents, SelectorTable &sels, 2611b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 2621b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner bool FreeMemory = true, unsigned size_reserve=0); 263fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 2656ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor 2662cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Attach an external AST source to the AST context. 2672cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// 2682cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// The external AST source provides the ability to load parts of 2692cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// the abstract syntax tree as needed from some external storage, 2702cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// e.g., a precompiled header. 2712cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor void setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source); 2722cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2732cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Retrieve a pointer to the external AST source associated 2742cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// with this AST context, if any. 2752cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalASTSource *getExternalSource() const { return ExternalSource.get(); } 2762cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 27803ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 279d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 280464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 281464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 282464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 283d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 284f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// getAddSpaceQualType - Return the uniqued reference to the type for an 285f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// address space qualified type with the specified type and address space. 286f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// The resulting type has a union of the qualifiers from T and the address 287f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// space. If T already has an address space specifier, it is silently 288f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 289f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 290ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 291d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 292d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 293d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 294d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType getObjCGCQualType(QualType T, QualType::GCAttrTypes gcAttr); 295d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 2962455636163fdd18581d7fdae816433f886d88213Mike Stump /// getNoReturnType - Add the noreturn attribute to the given type which must 2972455636163fdd18581d7fdae816433f886d88213Mike Stump /// be a FunctionType or a pointer to an allowable type or a BlockPointer. 2982455636163fdd18581d7fdae816433f886d88213Mike Stump QualType getNoReturnType(QualType T); 2992455636163fdd18581d7fdae816433f886d88213Mike Stump 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 3075618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 3085618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 3095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 3105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 311f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 3127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 3137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 3147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getLValueReferenceType(QualType T); 3157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 3167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 3177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 3187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 319f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 320f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 321f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 322f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 323f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 324f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 325bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 326bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 327c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 328c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 3297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 3307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 331898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 332898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 333898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 334898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 335898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 336898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 337fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 3387e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 3397e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 340fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 341c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 342c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 343c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 344c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 345c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 346c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 347bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 348bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 349c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 350c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 351c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 3527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 3537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// getConstantArrayWithExprType - Return a reference to the type for a 3547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// constant array of the specified element type. 3557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor QualType getConstantArrayWithExprType(QualType EltTy, 3567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &ArySize, 3577e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *ArySizeExpr, 3587e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier ASM, 3597e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 3607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 3617e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 3627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// getConstantArrayWithoutExprType - Return a reference to the type 3637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// for a constant array of the specified element type. 3647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor QualType getConstantArrayWithoutExprType(QualType EltTy, 3657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &ArySize, 3667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier ASM, 3677e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals); 3687e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 36973322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 37073322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 37173322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 37273322924127c873c13101b705dd823f5539ffa5fSteve Naroff 373213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 374213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 375213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 376213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3789cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// getDependentSizedExtVectorType - Returns a non-unique reference to 3799cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// the type for a dependently-sized vector of the specified element 3809cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 3819cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// comparable, at some point. 3829cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getDependentSizedExtVectorType(QualType VectorType, 3839cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 3849cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc); 3859cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 38672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3882455636163fdd18581d7fdae816433f886d88213Mike Stump QualType getFunctionNoProtoType(QualType ResultTy, bool NoReturn = false); 389465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 39286da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 393971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 394465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec = false, 395465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec = false, 3962455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExs = 0, const QualType *ExArray = 0, 3972455636163fdd18581d7fdae816433f886d88213Mike Stump bool NoReturn = false); 3982ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 3992ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 4002ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 4014b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 4022ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 406fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 407fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 40876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 409fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name = 0); 410fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 4117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType getTemplateSpecializationType(TemplateName T, 4127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 4137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 4147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon = QualType()); 41555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 416ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualType getQualifiedNameType(NestedNameSpecifier *NNS, 417e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType); 418d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType getTypenameType(NestedNameSpecifier *NNS, 419d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 420d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon = QualType()); 4211734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType getTypenameType(NestedNameSpecifier *NNS, 4221734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 4231734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon = QualType()); 424e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 425c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff QualType getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 426c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCProtocolDecl **Protocols = 0, 427c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff unsigned NumProtocols = 0); 428c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 429d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// getObjCObjectPointerType - Return a ObjCObjectPointerType type for the 430d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// given interface decl and the conforming protocol list. 431c02397509bb4057f3a7d6f5f4d764d122ed2381fSteve Naroff QualType getObjCObjectPointerType(QualType OIT, 432d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCProtocolDecl **ProtocolList = 0, 433d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff unsigned NumProtocols = 0); 434d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 435d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 43672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 437d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 438d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 439395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson /// getDecltypeType - C++0x decltype. 440395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson QualType getDecltypeType(Expr *e); 441395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 449fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 4503a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 4513a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 4523a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 4533a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 45464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 45564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 45664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 45764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 45864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 45964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 46064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 46164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4638b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 4648b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 4658b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 4668b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 467beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 468beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 46971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 47071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 471319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the structure type used to representation CFStrings, or NULL 472319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// if it hasn't yet been built. 473319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawCFConstantStringType() { 474319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (CFConstantStringTypeDecl) 475319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(CFConstantStringTypeDecl); 476319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 477319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 478319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setCFConstantStringType(QualType T); 479319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 480983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 481a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 482a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 483a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 4842198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 485b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 486bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 487bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 488bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 489319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the ObjCFastEnumerationState type, or NULL if it hasn't yet 490319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// been built. 491319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawObjCFastEnumerationStateType() { 492319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (ObjCFastEnumerationStateTypeDecl) 493319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 494319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 495319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 496319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 497319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCFastEnumerationStateType(QualType T); 498319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 499c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Set the type for the C FILE type. 500c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor void setFILEDecl(TypeDecl *FILEDecl) { this->FILEDecl = FILEDecl; } 501c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor 502c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Retrieve the C FILE type. 503c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor QualType getFILEType() { 504c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (FILEDecl) 505c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return getTypeDeclType(FILEDecl); 506c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return QualType(); 507c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor } 508782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 509782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C jmp_buf type. 510782fa308a765aeac2acb39c4e697c937ec21185bMike Stump void setjmp_bufDecl(TypeDecl *jmp_bufDecl) 511782fa308a765aeac2acb39c4e697c937ec21185bMike Stump { this->jmp_bufDecl = jmp_bufDecl; } 512782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 513782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C jmp_buf type. 514782fa308a765aeac2acb39c4e697c937ec21185bMike Stump QualType getjmp_bufType() { 515782fa308a765aeac2acb39c4e697c937ec21185bMike Stump if (jmp_bufDecl) 516782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(jmp_bufDecl); 517782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 518782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 519782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 520782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C sigjmp_buf type. 521782fa308a765aeac2acb39c4e697c937ec21185bMike Stump void setsigjmp_bufDecl(TypeDecl *sigjmp_bufDecl) 522782fa308a765aeac2acb39c4e697c937ec21185bMike Stump { this->sigjmp_bufDecl = sigjmp_bufDecl; } 523782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 524782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C sigjmp_buf type. 525782fa308a765aeac2acb39c4e697c937ec21185bMike Stump QualType getsigjmp_bufType() { 526782fa308a765aeac2acb39c4e697c937ec21185bMike Stump if (sigjmp_bufDecl) 527782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(sigjmp_bufDecl); 528782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 529782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 530c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor 531d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 532d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 533d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 5347d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 535153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field=0); 536a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 537a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 53833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 539ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 540a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 541ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 542ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 543a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 54433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 545c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 546c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 547c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 548c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 549c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 550c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 55177a49f6b1e5741f6bda71eb7837b43343925027bArgyrios Kyrtzidis void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 552c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 553c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 55433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 555a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 55633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 557a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 558d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 559d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 560d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 561de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCIdType() const { return ObjCIdTypedefType; } 562319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCIdType(QualType T); 563b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 564319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCSelType(QualType T); 565a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 566b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 567a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 568a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 569390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 570d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 571d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 572d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 573de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCClassType() const { return ObjCClassTypedefType; } 574319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCClassType(QualType T); 5758baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 576b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 577b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 578f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 579f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman QualType getFixedWidthIntType(unsigned Width, bool Signed); 580f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 5817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, 5827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 5837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template); 5847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 5857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 5867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name); 5877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 58886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner enum GetBuiltinTypeError { 589782fa308a765aeac2acb39c4e697c937ec21185bMike Stump GE_None, //< No error 590782fa308a765aeac2acb39c4e697c937ec21185bMike Stump GE_Missing_FILE, //< Missing the FILE type from <stdio.h> 591782fa308a765aeac2acb39c4e697c937ec21185bMike Stump GE_Missing_jmp_buf, //< Missing the jmp_buf type from <setjmp.h> 592782fa308a765aeac2acb39c4e697c937ec21185bMike Stump GE_Missing_sigjmp_buf //< Missing the sigjmp_buf type from <setjmp.h> 59386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner }; 59486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 59586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner /// GetBuiltinType - Return the type for the specified builtin. 59686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType GetBuiltinType(unsigned ID, GetBuiltinTypeError &Error); 59786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 598d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 599d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor QualType getFromTargetType(unsigned Type) const; 600b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 601464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 602b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 603b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 604d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor 605d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 6064fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 6074fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 6084fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 6094fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian QualType::GCAttrTypes getObjCGCAttrKind(const QualType &Ty) const; 610fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 611fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 612fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 613fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 614b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 615b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 616464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 617464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 618464175bba1318bef7905122e9fda20cff926df78Chris Lattner 619b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 620b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 621b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 622b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 623464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 624464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 6251d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 6261d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 6271d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 6281d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 629464175bba1318bef7905122e9fda20cff926df78Chris Lattner 630464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 631464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 63298be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 63398be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 634464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 6351d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 6361d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 6371d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 638464175bba1318bef7905122e9fda20cff926df78Chris Lattner 63934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 64034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 64198be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 64298be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 643464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 6441d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 6451d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 6461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 647464175bba1318bef7905122e9fda20cff926df78Chris Lattner 64834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 64934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 65034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 65134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 65234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 65334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 654b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// getDeclAlignInBytes - Return the alignment of the specified decl 655b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// that should be returned by __alignof(). Note that bitfields do 656b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// not have a valid alignment, so this method will assert on them. 657b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar unsigned getDeclAlignInBytes(const Decl *D); 658af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner 65988a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 660464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 661464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 66298be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 663464175bba1318bef7905122e9fda20cff926df78Chris Lattner 664b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCInterfaceLayout - Get or compute information about the 665b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// layout of the specified Objective-C interface. 66644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 667b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 668b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCImplementationLayout - Get or compute information about 669b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// the layout of the specified Objective-C implementation. This may 670b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// differ from the interface if synthesized ivars are present. 671b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout & 672b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar getASTObjCImplementationLayout(const ObjCImplementationDecl *D); 673b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 67488e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 6756ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor llvm::SmallVectorImpl<FieldDecl*> &Fields); 6768e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 6778e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian void ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 6788e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars, 6798e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian bool CollectSynthesized = true); 6809820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectSynthesizedIvars(const ObjCInterfaceDecl *OI, 6819820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 6829820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectProtocolSynthesizedIvars(const ObjCProtocolDecl *PD, 6839820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 6848e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountSynthesizedIvars(const ObjCInterfaceDecl *OI); 6858e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD); 686525c9b7baeeff022127cd1b167579f3bda73b3edDaniel Dunbar 687464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 688464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 689464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 690464175bba1318bef7905122e9fda20cff926df78Chris Lattner 69177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 69277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 69377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 69477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 69577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 69677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 69777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 6981d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 6991d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 7001d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 7012a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 7028e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 7038e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 7048e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 7058e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 7068e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 7078e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 7088e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 7098e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 7108e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T1 = getCanonicalType(T1); 7118e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T2 = getCanonicalType(T2); 7128e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return T1.getUnqualifiedType() == T2.getUnqualifiedType(); 7138e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 7148e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 7157da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor /// \brief Retrieves the "canonical" declaration of 7167da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor 717d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieves the "canonical" nested name specifier for a 718d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// given nested name specifier. 719d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 720d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// The canonical nested name specifier is a nested name specifier 721d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// that uniquely identifies a type or namespace within the type 722d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// system. For example, given: 723d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 724d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \code 725d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// namespace N { 726d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// struct S { 727d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct X { typename T* type; }; 728d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 729d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// } 730d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 731d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct Y { 732d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// typename N::S::X<T>::type member; 733d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 734d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \endcode 735d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 736d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// Here, the nested-name-specifier for N::S::X<T>:: will be 737d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// S::X<template-param-0-0>, since 'S' and 'X' are uniquely defined 738d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// by declarations in the type system and the canonical type for 739d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// the template type parameter 'T' is template-param-0-0. 740d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier * 741d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS); 742d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 74325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// \brief Retrieves the "canonical" template name that refers to a 74425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// given template. 74525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 74625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// The canonical template name is the simplest expression that can 74725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// be used to refer to a given template. For most templates, this 74825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// expression is just the template declaration itself. For example, 74925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// the template std::vector can be referred to via a variety of 75025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// names---std::vector, ::std::vector, vector (if vector is in 75125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// scope), etc.---but all of these names map down to the same 75225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// TemplateDecl, which is used to form the canonical template name. 75325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 75425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// Dependent template names are more interesting. Here, the 75525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name could be something like T::template apply or 75625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// std::allocator<T>::template rebind, where the nested name 75725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// specifier itself is dependent. In this case, the canonical 75825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name uses the shortest form of the dependent 75925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// nested-name-specifier, which itself contains all canonical 76025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// types, values, and templates. 76125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor TemplateName getCanonicalTemplateName(TemplateName Name); 76225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 763c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 764c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 765c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 766c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 767c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 768c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 769c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 770c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 771c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 772c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 773c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 774c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 775c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 776c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 7776183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 7786183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// getBaseElementType - Returns the innermost element type of a variable 7796183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// length array type. For example, will return "int" for int[m][n] 7806183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType getBaseElementType(const VariableArrayType *VAT); 7815e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 7825e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// getBaseElementType - Returns the innermost element type of a type 7835e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// (which needn't actually be an array type). 7845e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QualType getBaseElementType(QualType QT); 785c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 786e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 787e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 788e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 789e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 790e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 791e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 792e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 793e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 7947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 7957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 7967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 7977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 798a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 799a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 800a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 801a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 802a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 803a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 805716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 806716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 807716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 808716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 809f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 810f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 811ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 812f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 813f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 814f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 815f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 816f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 817f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 818ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 819ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 820ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 821ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 822ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 823ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 824ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 825a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 826de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCIdTypedefType; 827389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 828a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 829de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCClassTypedefType; 830389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 831a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 832a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 8338baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 8348baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 8354084c306635b70f37029dca938444e6013f08684Steve Naroff bool QualifiedIdConformsQualifiedId(QualType LHS, QualType RHS); 8364084c306635b70f37029dca938444e6013f08684Steve Naroff bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, 8374084c306635b70f37029dca938444e6013f08684Steve Naroff bool ForCompare); 8388baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 8393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 84014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 84114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *RHSOPT); 84214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 8433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 844389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 8453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 8463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 8473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 8483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 8493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 850368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 851ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 852ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 853ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 854ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 855ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 856ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 857ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 858ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 859ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 860ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 861ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 862ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 863ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 864e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 865e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 866e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 867e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 868e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 869e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 870e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 871e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 872e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 873e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_end() const { return Types.end(); } 874e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 875e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 8760cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 8770cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 8780cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 8790cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 8800cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 8810cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 8820cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 8830cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 8840cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 8850cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 8860cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 8878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 8888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *getObjCImplementation(ObjCInterfaceDecl *D); 8898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 8908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *getObjCImplementation(ObjCCategoryDecl *D); 8918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 8928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCInterfaceDecl. 8938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCInterfaceDecl *IFaceD, 8948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD); 8958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCCategoryDecl. 8968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCCategoryDecl *CatD, 8978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD); 8988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 9054b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 90682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 90782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar void getObjCEncodingForTypeImpl(QualType t, std::string &S, 90882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 90982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 910153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field, 911090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 9126ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty = false); 913b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 914b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout &getObjCLayout(const ObjCInterfaceDecl *D, 915b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ObjCImplementationDecl *Impl); 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 917e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 9195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 920e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 921e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 922e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 923e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 924e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 925e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 926e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 927e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 928e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 929e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 930e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 931e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 932e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 933e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 934e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 935e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 936e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 9374398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 938e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 939e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 940e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 94142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 94242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 943e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 944e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 9459f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor size_t Alignment) throw () { 946c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 947e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 948e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 949e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 950e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 951e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 952e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 953e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 954fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattnerinline void operator delete(void *Ptr, clang::ASTContext &C, size_t) 955e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 956c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 957e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 958e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 95942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 96042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 96142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 96242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 96342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 96442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Default alignment (16) 96542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 96642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 96742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context, 8) char[10]; 96842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 96942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 97042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 9714398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 97242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 97342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 97442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 97542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 97642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 97742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 97842542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 97942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek size_t Alignment = 16) throw () { 98042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 98142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 98242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 98342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 98442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 98542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 98642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 98742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 98842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 98942542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void operator delete[](void *Ptr, clang::ASTContext &C) throw () { 99042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 99142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 99242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 994