ASTContext.h revision 54e14c4db764c0636160d26c5bbf491637c83a76
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" 2550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "clang/AST/CanonicalType.h" 26464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 2768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 282cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "llvm/ADT/OwningPtr.h" 296c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 32b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 33b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 34b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 35b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 37a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner class FileManager; 38e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 39e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 402cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor class ExternalASTSource; 41c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 43e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 44d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 470d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class FieldDecl; 480d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class ObjCIvarDecl; 490d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class ObjCIvarRefExpr; 50c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 51e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 52e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 530d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class TemplateTypeParmDecl; 54e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 55e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 56e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 570d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class UnresolvedUsingDecl; 580d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class UsingDecl; 591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 601b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner namespace Builtin { class Context; } 611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass ASTContext { 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSet<ExtQuals> ExtQualNodes; 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<LValueReferenceType> LValueReferenceTypes; 717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<RValueReferenceType> RValueReferenceTypes; 72f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 737192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 74c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 75c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 7604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor llvm::FoldingSet<DependentSizedArrayType> DependentSizedArrayTypes; 772ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSet<DependentSizedExtVectorType> DependentSizedExtVectorTypes; 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 7972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionNoProtoType> FunctionNoProtoTypes; 8072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionProtoType> FunctionProtoTypes; 81b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSet<DependentTypeOfExprType> DependentTypeOfExprTypes; 829d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSet<DependentDecltypeType> DependentDecltypeTypes; 83fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 8449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSet<SubstTemplateTypeParmType> SubstTemplateTypeParmTypes; 857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<TemplateSpecializationType> TemplateSpecializationTypes; 86e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSet<QualifiedNameType> QualifiedNameTypes; 87d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSet<TypenameType> TypenameTypes; 88c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff llvm::FoldingSet<ObjCInterfaceType> ObjCInterfaceTypes; 89d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSet<ObjCObjectPointerType> ObjCObjectPointerTypes; 907da2431c23ef1ee8acb114e39692246e1801afc2John McCall llvm::FoldingSet<ElaboratedType> ElaboratedTypes; 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<QualifiedTemplateName> QualifiedTemplateNames; 937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<DependentTemplateName> DependentTemplateNames; 947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 95ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The set of nested name specifiers. 96ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// 97ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// This set is managed by the NestedNameSpecifier class. 98ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor llvm::FoldingSet<NestedNameSpecifier> NestedNameSpecifiers; 99ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *GlobalNestedNameSpecifier; 100ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor friend class NestedNameSpecifier; 101ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 10288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 103a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 10488a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 105b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar llvm::DenseMap<const ObjCContainerDecl*, const ASTRecordLayout*> ObjCLayouts; 106f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1078a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Mapping from ObjCContainers to their ObjCImplementations. 1088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*> ObjCImpls; 1098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 110f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> SignedFixedWidthIntTypes; 111f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> UnsignedFixedWidthIntTypes; 1121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 114b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 115b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 116b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 117d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1186083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 119de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCIdTypedefType; 1201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1216083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 122a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 123b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 1241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1256083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 126a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 127390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1288baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1296083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 130de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCClassTypedefType; 1311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 132a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1332198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1347a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 135bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 1361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 137c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief The type for the C FILE type. 138c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor TypeDecl *FILEDecl; 1391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1408fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C jmp_buf type. 141782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *jmp_bufDecl; 1421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1438fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C sigjmp_buf type. 144782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *sigjmp_bufDecl; 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 146adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 147adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *BlockDescriptorType; 148adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 149083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 150083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *BlockDescriptorExtendedType; 151083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 1521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Keeps track of all declaration attributes. 15368584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// 15468584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// Since so few decls have attrs, we keep them in a hash map instead of 15568584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// wasting space in the Decl class. 15668584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor llvm::DenseMap<const Decl*, Attr*> DeclAttrs; 1572455636163fdd18581d7fdae816433f886d88213Mike Stump 1587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Keeps track of the static data member templates from which 1597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static data members of class template specializations were instantiated. 1607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// This data structure stores the mapping from instantiations of static 1627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// data members to the static data member representations within the 163251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template from which they were instantiated along with the kind 164251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// of instantiation or specialization (a TemplateSpecializationKind - 1). 1657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// Given the following example: 1677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \code 1697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 1707caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// struct X { 1717caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static T value; 1727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// }; 1737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 1757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// T X<T>::value = T(17); 1767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// int *x = &X<int>::value; 1787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \endcode 1797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// This mapping will contain an entry that maps from the VarDecl for 1817caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// X<int>::value to the corresponding VarDecl for X<T>::value (within the 182251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template X) and will be marked TSK_ImplicitInstantiation. 183663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *> 184251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember; 1851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1860d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \brief Keeps track of the UnresolvedUsingDecls from which UsingDecls 1870d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// where created during instantiation. 1880d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 1890d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// For example: 1900d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \code 1910d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 1920d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct A { 1930d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// void f(); 1940d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 1950d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 1960d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 1970d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct B : A<T> { 1980d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// using A<T>::f; 1990d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 2000d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2010d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template struct B<int>; 2020d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \endcode 2030d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2040d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// This mapping will contain an entry that maps from the UsingDecl in 2050d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// B<int> to the UnresolvedUsingDecl in B<T>. 2060d8df780aef1acda5962347a32591efc629b6748Anders Carlsson llvm::DenseMap<UsingDecl *, UnresolvedUsingDecl *> 2070d8df780aef1acda5962347a32591efc629b6748Anders Carlsson InstantiatedFromUnresolvedUsingDecl; 2081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 209d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *> InstantiatedFromUnnamedFieldDecl; 2101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 211ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 212ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 213e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 214b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 2151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 216e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 217e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 218e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 219e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 2202e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Whether we have already loaded comment source ranges from an 2212e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// external source. 2222e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool LoadedExternalComments; 2231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 224c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 225c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 226c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 227c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 2281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2292e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Mapping from declarations to their comments, once we have 2302e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// already looked up the comment associated with a given declaration. 2312e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor llvm::DenseMap<const Decl *, std::string> DeclComments; 2321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 23571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 23629238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 2371b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &BuiltinInfo; 2382e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 2392cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor llvm::OwningPtr<ExternalASTSource> ExternalSource; 240d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor clang::PrintingPolicy PrintingPolicy; 2412e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2420f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // Typedefs which may be provided defining the structure of Objective-C 2430f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // pseudo-builtins 2440f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCIdRedefinitionType; 2450f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCClassRedefinitionType; 2460f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall 2472e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Source ranges for all of the comments in the source file, 2482e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// sorted in order of appearance in the translation unit. 2492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange> Comments; 2501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2517a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 252a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner const SourceManager& getSourceManager() const { return SourceMgr; } 253c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 254c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 255c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 256c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 2571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Deallocate(void *Ptr) { 258c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 2591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MallocAlloc.Deallocate(Ptr); 260c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 261e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 2621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FullSourceLoc getFullLoc(SourceLocation Loc) const { 2649c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 2659c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 266ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 26768584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Retrieve the attributes for the given declaration. 26868584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor Attr*& getDeclAttrs(const Decl *D) { return DeclAttrs[D]; } 2691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27068584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Erase the attributes corresponding to the given declaration. 27168584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor void eraseDeclAttrs(const Decl *D) { DeclAttrs.erase(D); } 2722455636163fdd18581d7fdae816433f886d88213Mike Stump 2737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief If this variable is an instantiated static data member of a 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// class template specialization, returns the templated static data member 2757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// from which it was instantiated. 276663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor MemberSpecializationInfo *getInstantiatedFromStaticDataMember( 277663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor const VarDecl *Var); 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Note that the static data member \p Inst is an instantiation of 2807caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// the static data member template \p Tmpl of a class template. 281251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor void setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 282251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK); 2831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 284d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson /// \brief If this using decl is instantiated from an unresolved using decl, 285d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson /// return it. 2860d8df780aef1acda5962347a32591efc629b6748Anders Carlsson UnresolvedUsingDecl *getInstantiatedFromUnresolvedUsingDecl(UsingDecl *UUD); 287d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 288d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson /// \brief Note that the using decl \p Inst is an instantiation of 289d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson /// the unresolved using decl \p Tmpl of a class template. 290d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson void setInstantiatedFromUnresolvedUsingDecl(UsingDecl *Inst, 291d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson UnresolvedUsingDecl *Tmpl); 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 294d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field); 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 296d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson void setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, FieldDecl *Tmpl); 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 298ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 299ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3012e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char *getCommentForDecl(const Decl *D); 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 307f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith QualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 308f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith QualType Char16Ty; // [C++0x 3.9.1p5], integer type in C99. 309f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith QualType Char32Ty; // [C++0x 3.9.1p5], integer type in C99. 3102df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy, Int128Ty; 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 3122df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner QualType UnsignedLongLongTy, UnsignedInt128Ty; 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 3156e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl QualType VoidPtrTy, NullPtrTy; 3168e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor QualType OverloadTy; 317898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType DependentTy; 318e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson QualType UndeducedAutoTy; 319de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCBuiltinIdTy, ObjCBuiltinClassTy; 3208e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 321e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 3221b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner IdentifierTable &idents, SelectorTable &sels, 3231b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 3241b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner bool FreeMemory = true, unsigned size_reserve=0); 325fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 3276ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor 3282cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Attach an external AST source to the AST context. 3292cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// 3302cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// The external AST source provides the ability to load parts of 3312cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// the abstract syntax tree as needed from some external storage, 3322cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// e.g., a precompiled header. 3332cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor void setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source); 3342cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 3352cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Retrieve a pointer to the external AST source associated 3362cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// with this AST context, if any. 3372cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalASTSource *getExternalSource() const { return ExternalSource.get(); } 3382cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 34003ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 341d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 342464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 343464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 344464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getExtQualType - Return a type with extended qualifiers. 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getExtQualType(const Type *Base, Qualifiers Quals); 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getAddSpaceQualType - Return the uniqued reference to the type for an 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// address space qualified type with the specified type and address space. 3531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The resulting type has a union of the qualifiers from T and the address 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// space. If T already has an address space specifier, it is silently 355f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 356f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 3571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 358d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 359d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 360d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getObjCGCQualType(QualType T, Qualifiers::GC gcAttr); 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getRestrictType - Returns the uniqued reference to the type for a 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'restrict' qualified type. The resulting type has a union of the 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'restrict'. 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getRestrictType(QualType T) { 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qualifiers::Restrict); 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getVolatileType - Returns the uniqued reference to the type for a 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'volatile' qualified type. The resulting type has a union of the 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'volatile'. 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getVolatileType(QualType T); 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getConstType - Returns the uniqued reference to the type for a 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'const' qualified type. The resulting type has a union of the 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'const'. 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// It can be reasonably expected that this will always be 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// equivalent to calling T.withConst(). 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getConstType(QualType T) { return T.withConst(); } 3821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3832455636163fdd18581d7fdae816433f886d88213Mike Stump /// getNoReturnType - Add the noreturn attribute to the given type which must 3842455636163fdd18581d7fdae816433f886d88213Mike Stump /// be a FunctionType or a pointer to an allowable type or a BlockPointer. 3852455636163fdd18581d7fdae816433f886d88213Mike Stump QualType getNoReturnType(QualType T); 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 3901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 3945618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 3955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 3965618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 3975618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 398f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 399adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of the descriptor for pointer to 400adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// blocks. 401adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getBlockDescriptorType(); 402adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 403adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // Set the type for a Block descriptor type. 404adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump void setBlockDescriptorType(QualType T); 405adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// Get the BlockDescriptorType type, or NULL if it hasn't yet been built. 406adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getRawBlockdescriptorType() { 407adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 408adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 409adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return QualType(); 410adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 411adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 412083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// This gets the struct used to keep track of the extended descriptor for 413083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// pointer to blocks. 414083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockDescriptorExtendedType(); 415083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 416083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // Set the type for a Block descriptor extended type. 417083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump void setBlockDescriptorExtendedType(QualType T); 418083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// Get the BlockDescriptorExtendedType type, or NULL if it hasn't yet been 419083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// built. 420083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getRawBlockdescriptorExtendedType() { 421083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 422083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 423083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return QualType(); 424083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 425083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 426adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of pointer to blocks, complete 427adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// with captured variables. 428083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockParmType(bool BlockHasCopyDispose, 429083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump llvm::SmallVector<const Expr *, 8> &BDRDs); 430adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 431ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /// This builds the struct used for __block variables. 432af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType BuildByRefType(const char *DeclName, QualType Ty); 433af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 434af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /// Returns true iff we need copy/dispose helpers for the given type. 435af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool BlockRequiresCopying(QualType Ty); 436adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 4377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 4387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 43954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getLValueReferenceType(QualType T, bool SpelledAsLValue = true); 4407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 4417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 4427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 4437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 444f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 445f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 446f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 447f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 448f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 449f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 450bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 451bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 452c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 453c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 4547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 4557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 457898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 458898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 459898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 460898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 461898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 462fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 4637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 4647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 465fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 466c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 467c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 468c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 469c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 470c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 471c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 472bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 473bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 474c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 475c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 476c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 4777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 47873322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 47973322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 48073322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 48173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 482213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 483213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 484213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 485213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// getDependentSizedExtVectorType - Returns a non-unique reference to 4889cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// the type for a dependently-sized vector of the specified element 4899cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 4909cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// comparable, at some point. 4911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getDependentSizedExtVectorType(QualType VectorType, 4929cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 4939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc); 4949cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 49572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 4972455636163fdd18581d7fdae816433f886d88213Mike Stump QualType getFunctionNoProtoType(QualType ResultTy, bool NoReturn = false); 498465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 50186da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 502971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 503465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec = false, 504465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec = false, 5052455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExs = 0, const QualType *ExArray = 0, 5062455636163fdd18581d7fdae816433f886d88213Mike Stump bool NoReturn = false); 5072ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 5082ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 5092ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 5104b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 5112ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 515fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 51649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getSubstTemplateTypeParmType(const TemplateTypeParmType *Replaced, 51749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement); 51849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 52076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 521fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name = 0); 522fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 5237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType getTemplateSpecializationType(TemplateName T, 5247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 5257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 5267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon = QualType()); 52755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 528ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualType getQualifiedNameType(NestedNameSpecifier *NNS, 529e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType); 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTypenameType(NestedNameSpecifier *NNS, 531d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 532d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon = QualType()); 5331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTypenameType(NestedNameSpecifier *NNS, 5341734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 5351734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon = QualType()); 5367da2431c23ef1ee8acb114e39692246e1801afc2John McCall QualType getElaboratedType(QualType UnderlyingType, 5377da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedType::TagKind Tag); 538e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 539c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff QualType getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCProtocolDecl **Protocols = 0, 541c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff unsigned NumProtocols = 0); 542c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 543d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// getObjCObjectPointerType - Return a ObjCObjectPointerType type for the 544d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// given interface decl and the conforming protocol list. 545c02397509bb4057f3a7d6f5f4d764d122ed2381fSteve Naroff QualType getObjCObjectPointerType(QualType OIT, 546d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCProtocolDecl **ProtocolList = 0, 547d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff unsigned NumProtocols = 0); 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 549d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 55072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 551d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 5521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 553395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson /// getDecltypeType - C++0x decltype. 554395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson QualType getDecltypeType(Expr *e); 5551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 558e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump QualType getTagDeclType(const TagDecl *Decl); 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 563fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 5643a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 5653a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 5663a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 5673a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 56864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 56964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 57064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 57164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 57264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 57364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 57464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 57564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 5761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5778b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 5788b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 5798b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 581beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 582beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getCFConstantStringType(); 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 585319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the structure type used to representation CFStrings, or NULL 586319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// if it hasn't yet been built. 587319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawCFConstantStringType() { 588319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (CFConstantStringTypeDecl) 589319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(CFConstantStringTypeDecl); 590319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 591319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 592319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setCFConstantStringType(QualType T); 593319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 594983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 595a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 5961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getObjCConstantStringInterface() const { 5971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCConstantStringType; 5982198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 599b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 600bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 601bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 603319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the ObjCFastEnumerationState type, or NULL if it hasn't yet 604319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// been built. 605319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawObjCFastEnumerationStateType() { 606319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (ObjCFastEnumerationStateTypeDecl) 607319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 608319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 609319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 610319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 611319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCFastEnumerationStateType(QualType T); 612319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 613c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Set the type for the C FILE type. 614c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor void setFILEDecl(TypeDecl *FILEDecl) { this->FILEDecl = FILEDecl; } 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 616c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Retrieve the C FILE type. 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFILEType() { 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FILEDecl) 619c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return getTypeDeclType(FILEDecl); 620c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return QualType(); 621c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor } 622782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 623782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C jmp_buf type. 624fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setjmp_bufDecl(TypeDecl *jmp_bufDecl) { 625fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->jmp_bufDecl = jmp_bufDecl; 626fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 628782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C jmp_buf type. 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getjmp_bufType() { 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (jmp_bufDecl) 631782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(jmp_bufDecl); 632782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 633782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 634782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 635782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C sigjmp_buf type. 636fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setsigjmp_bufDecl(TypeDecl *sigjmp_bufDecl) { 637fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->sigjmp_bufDecl = sigjmp_bufDecl; 638fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 640782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C sigjmp_buf type. 6411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getsigjmp_bufType() { 6421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (sigjmp_bufDecl) 643782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(sigjmp_bufDecl); 644782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 645782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 647d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 648d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 649d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 6501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForType(QualType t, std::string &S, 651153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field=0); 652a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 653a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 655ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 6561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 657ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 6581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 659a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 66033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 661c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 6621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 663c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 664c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 665c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 666c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 668c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 669c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 6701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6710fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian bool ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 6720fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto); 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 674a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 67533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 676a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 677d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 678d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 679d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 680de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCIdType() const { return ObjCIdTypedefType; } 681319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCIdType(QualType T); 6821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 683319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCSelType(QualType T); 684a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 6851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 686a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 687a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 6881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 689d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 690d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 691d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 692de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCClassType() const { return ObjCClassTypedefType; } 693319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCClassType(QualType T); 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 695b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 696b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 697f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 698f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman QualType getFixedWidthIntType(unsigned Width, bool Signed); 699f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 7000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getCVRQualifiedType - Returns a type with additional const, 7010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// volatile, or restrict qualifiers. 7020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getCVRQualifiedType(QualType T, unsigned CVR) { 7030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(T, Qualifiers::fromCVRMask(CVR)); 7040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 7060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 7070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(QualType T, Qualifiers Qs) { 7080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 7090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qs.getFastQualifiers()); 7100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc(Qs); 7110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Qc.strip(T); 7120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(Ptr, Qc); 7130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 7150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 7160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(const Type *T, Qualifiers Qs) { 7170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 7180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(T, Qs.getFastQualifiers()); 7190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(T, Qs); 7200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 7221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, 7237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 7247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template); 7251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, 726d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 727d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor OverloadedFunctionDecl *Template); 7281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 7307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name); 7317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 73286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner enum GetBuiltinTypeError { 733782fa308a765aeac2acb39c4e697c937ec21185bMike Stump GE_None, //< No error 734f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_stdio, //< Missing a type from <stdio.h> 735f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_setjmp //< Missing a type from <setjmp.h> 73686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner }; 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner /// GetBuiltinType - Return the type for the specified builtin. 73986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType GetBuiltinType(unsigned ID, GetBuiltinTypeError &Error); 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 741d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 742d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor QualType getFromTargetType(unsigned Type) const; 743b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 744464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 745b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 746b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 748d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 7494fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 7504fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 7514fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 7520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttrKind(const QualType &Ty) const; 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 754fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 755fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 756fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 7571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 758b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 759464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 760464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 7611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 762b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 763b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 764b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 7651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 766464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 767464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 7681d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 7691d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 7701d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 7711d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 773464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 774464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 77598be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 77698be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 777464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 7781d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 7791d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 7801d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 7811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 78234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 78334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 78498be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 78598be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 786464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 7871d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 7881d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 7891d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 79234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 79334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 79434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 79534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 797b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// getDeclAlignInBytes - Return the alignment of the specified decl 798b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// that should be returned by __alignof(). Note that bitfields do 799b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar /// not have a valid alignment, so this method will assert on them. 800b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbar unsigned getDeclAlignInBytes(const Decl *D); 8011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 80288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 803464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 804464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 80598be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 807b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCInterfaceLayout - Get or compute information about the 808b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// layout of the specified Objective-C interface. 80944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 810b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 811b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCImplementationLayout - Get or compute information about 812b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// the layout of the specified Objective-C implementation. This may 813b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// differ from the interface if synthesized ivars are present. 814b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout & 815b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar getASTObjCImplementationLayout(const ObjCImplementationDecl *D); 816b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 81788e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 8186ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor llvm::SmallVectorImpl<FieldDecl*> &Fields); 8198e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8208e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian void ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 8218e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars, 8228e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian bool CollectSynthesized = true); 8239820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectSynthesizedIvars(const ObjCInterfaceDecl *OI, 8249820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 8259820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectProtocolSynthesizedIvars(const ObjCProtocolDecl *PD, 8269820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 8278e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountSynthesizedIvars(const ObjCInterfaceDecl *OI); 8288e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD); 829525c9b7baeeff022127cd1b167579f3bda73b3edDaniel Dunbar 830464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 831464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 832464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 8331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 83477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 83577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 83677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 83777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 83877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 83977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 84050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CanQualType getCanonicalType(QualType T); 8411d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 8421d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 8431d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 8442a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 84554e14c4db764c0636160d26c5bbf491637c83a76John McCall /// getCanonicalParamType - Return the canonical parameter type 84654e14c4db764c0636160d26c5bbf491637c83a76John McCall /// corresponding to the specific potentially non-canonical one. 84754e14c4db764c0636160d26c5bbf491637c83a76John McCall /// Qualifiers are stripped off, functions are turned into function 84854e14c4db764c0636160d26c5bbf491637c83a76John McCall /// pointers, and arrays decay one level into pointers. 84954e14c4db764c0636160d26c5bbf491637c83a76John McCall CanQualType getCanonicalParamType(QualType T); 85054e14c4db764c0636160d26c5bbf491637c83a76John McCall 8518e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 8528e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 8538e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 8548e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 8551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8568e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 8578e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 8588e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 8598e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T1 = getCanonicalType(T1); 8608e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor T2 = getCanonicalType(T2); 8618e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return T1.getUnqualifiedType() == T2.getUnqualifiedType(); 8628e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 8638e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 8641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieves the "canonical" declaration of 8657da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor 866d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieves the "canonical" nested name specifier for a 867d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// given nested name specifier. 868d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 869d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// The canonical nested name specifier is a nested name specifier 870d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// that uniquely identifies a type or namespace within the type 871d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// system. For example, given: 872d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 873d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \code 874d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// namespace N { 875d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// struct S { 876d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct X { typename T* type; }; 877d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 878d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// } 879d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 880d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct Y { 881d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// typename N::S::X<T>::type member; 882d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 883d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \endcode 884d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 885d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// Here, the nested-name-specifier for N::S::X<T>:: will be 886d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// S::X<template-param-0-0>, since 'S' and 'X' are uniquely defined 887d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// by declarations in the type system and the canonical type for 888d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// the template type parameter 'T' is template-param-0-0. 889d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier * 890d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS); 891d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 89225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// \brief Retrieves the "canonical" template name that refers to a 89325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// given template. 89425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 89525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// The canonical template name is the simplest expression that can 89625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// be used to refer to a given template. For most templates, this 89725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// expression is just the template declaration itself. For example, 89825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// the template std::vector can be referred to via a variety of 89925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// names---std::vector, ::std::vector, vector (if vector is in 90025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// scope), etc.---but all of these names map down to the same 90125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// TemplateDecl, which is used to form the canonical template name. 90225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 90325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// Dependent template names are more interesting. Here, the 90425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name could be something like T::template apply or 90525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// std::allocator<T>::template rebind, where the nested name 90625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// specifier itself is dependent. In this case, the canonical 90725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name uses the shortest form of the dependent 90825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// nested-name-specifier, which itself contains all canonical 90925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// types, values, and templates. 91025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor TemplateName getCanonicalTemplateName(TemplateName Name); 91125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 9121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// \brief Retrieve the "canonical" template argument. 9131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The canonical template argument is the simplest template argument 9151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// (which may be a type, value, expression, or declaration) that 9161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// expresses the value of the argument. 9171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument getCanonicalTemplateArgument(const TemplateArgument &Arg); 9181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 919c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 920c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 921c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 922c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 923c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 924c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 925c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 926c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 927c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 928c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 929c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 930c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 931c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 932c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 9336183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 934fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// getBaseElementType - Returns the innermost element type of an array type. 935fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// For example, will return "int" for int[m][n] 936fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType getBaseElementType(const ArrayType *VAT); 9375e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 9385e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// getBaseElementType - Returns the innermost element type of a type 9395e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// (which needn't actually be an array type). 9405e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QualType getBaseElementType(QualType QT); 9411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9420de78998e7bda473b408437053e48661b510d453Fariborz Jahanian /// getConstantArrayElementCount - Returns number of constant array elements. 9430de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t getConstantArrayElementCount(const ConstantArrayType *CA) const; 9441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 945e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 946e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 947e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 948e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 949e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 950e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 951e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 9521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 953a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// getPromotedIntegerType - Returns the type that Promotable will 954a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 955a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// integer type. 956a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType getPromotedIntegerType(QualType PromotableType); 957a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 95804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \brief Whether this is a promotable bitfield reference according 95904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 96004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// 96104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \returns the type this bit-field will promote to, or NULL if no 96204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// promotion occurs. 96304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType isPromotableBitField(Expr *E); 96404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 9651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getIntegerTypeOrder - Returns the highest ranked integer type: 9667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 9671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 9687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 970a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 971a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 972a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 974a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 9755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// point or a complex type (based on typeDomain/typeSize). 978716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 979716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 981f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 982ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 983f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 984f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 985f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 986f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 987f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 988f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 989ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 990ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 991ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 993ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 994ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 996a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 997de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCIdTypedefType; 998389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 999a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 1000de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCClassTypedefType; 1001389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 1002a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 1003a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 10048baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 10058baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 10064084c306635b70f37029dca938444e6013f08684Steve Naroff bool QualifiedIdConformsQualifiedId(QualType LHS, QualType RHS); 10074084c306635b70f37029dca938444e6013f08684Steve Naroff bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, 10084084c306635b70f37029dca938444e6013f08684Steve Naroff bool ForCompare); 10098baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 10103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 101114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 101214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *RHSOPT); 101314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 10143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 1015389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 10163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 10173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 10183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 10193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 10203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 1021a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// UsualArithmeticConversionsType - handles the various conversions 1022a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// that are common to binary operators (C99 6.3.1.8, C++ [expr]p9) 1023a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// and returns the result type of that conversion. 1024a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType UsualArithmeticConversionsType(QualType lhs, QualType rhs); 1025a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 1026368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 1027ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 1028ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1029ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1030ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 1031ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 1032ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 1033ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1034ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 1035ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 1036ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 1037ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 1038ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1039ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1040e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 1041e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 10421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1043e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 1044e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 10451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1046e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 1047e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 1048e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 10491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const_type_iterator types_end() const { return Types.end(); } 10501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1051e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 10520cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 10530cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 10540cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 10550cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 10560cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 10570cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 10580cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 10590cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 10600cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 10610cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 10620cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 10638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 10648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *getObjCImplementation(ObjCInterfaceDecl *D); 10658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 10668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *getObjCImplementation(ObjCCategoryDecl *D); 10678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 10688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCInterfaceDecl. 10698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCInterfaceDecl *IFaceD, 10708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD); 10718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCCategoryDecl. 10728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCCategoryDecl *CatD, 10738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD); 10748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 1075b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// \brief Allocate an uninitialized DeclaratorInfo. 1076b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1077b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// The caller should initialize the memory held by DeclaratorInfo using 1078b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// the TypeLoc wrappers. 1079b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1080b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// \param T the type that will be the basis for type source info. This type 1081b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// should refer to how the declarator was written in source code, not to 1082b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// what type semantic analysis resolved the declarator to. 1083109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// 1084109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// \param Size the size of the type info to create, or 0 if the size 1085109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// should be calculated based on the type. 1086109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DeclaratorInfo *CreateDeclaratorInfo(QualType T, unsigned Size = 0); 1087b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 10911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 10941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 109582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 10961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeImpl(QualType t, std::string &S, 109782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 109882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 1099153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field, 1100090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 11016ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty = false); 1102b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1103b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout &getObjCLayout(const ObjCInterfaceDecl *D, 11041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCImplementationDecl *Impl); 11055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1106e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1109e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 1110e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 1111e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 1112e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1113e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 1114e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 1115e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 1116e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 1117e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 1118e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 1119e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 1120e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 1121e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 1122e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 1123e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 1124e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 1125e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 11264398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 1127e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1128e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 1129e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 113042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 113142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 1132e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 1133e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 11349f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor size_t Alignment) throw () { 1135c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 1136e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1137e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 1138e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1139e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 1140e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 1141e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 1142e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 1143fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattnerinline void operator delete(void *Ptr, clang::ASTContext &C, size_t) 1144e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 1145c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 1146e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1147e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 114842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 114942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 115042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 115142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 115242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 115342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Default alignment (16) 115442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 115542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 115642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context, 8) char[10]; 115742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 115842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 115942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 11604398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 116142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 116242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 116342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 116442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 116542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 116642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 116742542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 116842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek size_t Alignment = 16) throw () { 116942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 117042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 117142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 117242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 117342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 117442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 117542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 117642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 117742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 117842542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void operator delete[](void *Ptr, clang::ASTContext &C) throw () { 117942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 118042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 118142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1183