ASTContext.h revision cc906ef220c9be2644ad942457766d46a0b3651e
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" 19ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor#include "clang/Basic/OperatorKinds.h" 209f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor#include "clang/AST/Attr.h" 21ad75653f81dece1c806e9c28dd7e7582c9929a27Ted Kremenek#include "clang/AST/Decl.h" 22ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 23d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 25464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 2650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "clang/AST/CanonicalType.h" 27464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 2868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 292cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "llvm/ADT/OwningPtr.h" 306c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 34b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 35b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 36b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 38a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner class FileManager; 39e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall class BlockExpr; 41e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 422cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor class ExternalASTSource; 43c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 44e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 46d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 48f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson class CXXMethodDecl; 49f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson class CXXRecordDecl; 50e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 510d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class FieldDecl; 520d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class ObjCIvarDecl; 530d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class ObjCIvarRefExpr; 54c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 55e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 56e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 570d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class TemplateTypeParmDecl; 58e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 59e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 60e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 610d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class UsingDecl; 62ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UsingShadowDecl; 631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 641b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner namespace Builtin { class Context; } 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass ASTContext { 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSet<ExtQuals> ExtQualNodes; 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<LValueReferenceType> LValueReferenceTypes; 757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<RValueReferenceType> RValueReferenceTypes; 76f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 777192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 78c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 79c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 8004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor llvm::FoldingSet<DependentSizedArrayType> DependentSizedArrayTypes; 812ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSet<DependentSizedExtVectorType> DependentSizedExtVectorTypes; 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 8372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionNoProtoType> FunctionNoProtoTypes; 8472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionProtoType> FunctionProtoTypes; 85b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSet<DependentTypeOfExprType> DependentTypeOfExprTypes; 869d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSet<DependentDecltypeType> DependentDecltypeTypes; 87fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 8849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSet<SubstTemplateTypeParmType> SubstTemplateTypeParmTypes; 897532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<TemplateSpecializationType> TemplateSpecializationTypes; 90e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSet<QualifiedNameType> QualifiedNameTypes; 91d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSet<TypenameType> TypenameTypes; 92c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff llvm::FoldingSet<ObjCInterfaceType> ObjCInterfaceTypes; 93d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSet<ObjCObjectPointerType> ObjCObjectPointerTypes; 947da2431c23ef1ee8acb114e39692246e1801afc2John McCall llvm::FoldingSet<ElaboratedType> ElaboratedTypes; 951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<QualifiedTemplateName> QualifiedTemplateNames; 977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<DependentTemplateName> DependentTemplateNames; 987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 99ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The set of nested name specifiers. 100ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// 101ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// This set is managed by the NestedNameSpecifier class. 102ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor llvm::FoldingSet<NestedNameSpecifier> NestedNameSpecifiers; 103ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *GlobalNestedNameSpecifier; 104ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor friend class NestedNameSpecifier; 105ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 10688a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 107a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 10888a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 109b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar llvm::DenseMap<const ObjCContainerDecl*, const ASTRecordLayout*> ObjCLayouts; 110f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 111f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// KeyFunctions - A cache mapping from CXXRecordDecls to key functions. 112f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson llvm::DenseMap<const CXXRecordDecl*, const CXXMethodDecl*> KeyFunctions; 113f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 1148a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Mapping from ObjCContainers to their ObjCImplementations. 1158a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*> ObjCImpls; 1168a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 117f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> SignedFixedWidthIntTypes; 118f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> UnsignedFixedWidthIntTypes; 1191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 120b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 121b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 122b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 123b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 124d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1256083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 126de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCIdTypedefType; 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1286083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 12913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian QualType ObjCSelTypedefType; 1301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1316083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 132a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 133390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1348baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1356083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 136de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCClassTypedefType; 1371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1392198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1407a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 141bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 1421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 143c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief The type for the C FILE type. 144c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor TypeDecl *FILEDecl; 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1468fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C jmp_buf type. 147782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *jmp_bufDecl; 1481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1498fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C sigjmp_buf type. 150782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *sigjmp_bufDecl; 1511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 152adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 153adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *BlockDescriptorType; 154adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 155083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 156083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *BlockDescriptorExtendedType; 157083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 1581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Keeps track of all declaration attributes. 15968584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// 16068584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// Since so few decls have attrs, we keep them in a hash map instead of 16168584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// wasting space in the Decl class. 16268584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor llvm::DenseMap<const Decl*, Attr*> DeclAttrs; 1632455636163fdd18581d7fdae816433f886d88213Mike Stump 1647caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Keeps track of the static data member templates from which 1657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static data members of class template specializations were instantiated. 1667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// This data structure stores the mapping from instantiations of static 1687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// data members to the static data member representations within the 169251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template from which they were instantiated along with the kind 170251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// of instantiation or specialization (a TemplateSpecializationKind - 1). 1717caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// Given the following example: 1737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \code 1757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 1767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// struct X { 1777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static T value; 1787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// }; 1797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1807caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 1817caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// T X<T>::value = T(17); 1827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// int *x = &X<int>::value; 1847caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \endcode 1857caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// This mapping will contain an entry that maps from the VarDecl for 1877caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// X<int>::value to the corresponding VarDecl for X<T>::value (within the 188251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template X) and will be marked TSK_ImplicitInstantiation. 189663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *> 190251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember; 1911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 192ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief Keeps track of the declaration from which a UsingDecl was 193ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// created during instantiation. The source declaration is always 194ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// a UsingDecl, an UnresolvedUsingValueDecl, or an 195ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// UnresolvedUsingTypenameDecl. 1960d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 1970d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// For example: 1980d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \code 1990d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 2000d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct A { 2010d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// void f(); 2020d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 2030d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2040d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 2050d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct B : A<T> { 2060d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// using A<T>::f; 2070d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 2080d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2090d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template struct B<int>; 2100d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \endcode 2110d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2120d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// This mapping will contain an entry that maps from the UsingDecl in 2130d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// B<int> to the UnresolvedUsingDecl in B<T>. 214ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingDecl *, NamedDecl *> InstantiatedFromUsingDecl; 215ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 216ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*> 217ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl; 2181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 219d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *> InstantiatedFromUnnamedFieldDecl; 2201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 221ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 222ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 223e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 224b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 2251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 226e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 227e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 228e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 229e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 2302e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Whether we have already loaded comment source ranges from an 2312e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// external source. 2322e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool LoadedExternalComments; 2331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 234c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 235c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 236c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 237c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 2381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2392e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Mapping from declarations to their comments, once we have 2402e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// already looked up the comment associated with a given declaration. 2412e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor llvm::DenseMap<const Decl *, std::string> DeclComments; 2421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 244444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &Target; 24571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 24629238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 2471b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &BuiltinInfo; 2482e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 2492cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor llvm::OwningPtr<ExternalASTSource> ExternalSource; 250d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor clang::PrintingPolicy PrintingPolicy; 2512e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2520f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // Typedefs which may be provided defining the structure of Objective-C 2530f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // pseudo-builtins 2540f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCIdRedefinitionType; 2550f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCClassRedefinitionType; 256369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian QualType ObjCSelRedefinitionType; 2570f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall 2582e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Source ranges for all of the comments in the source file, 2592e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// sorted in order of appearance in the translation unit. 2602e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange> Comments; 2611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2627a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 263a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner const SourceManager& getSourceManager() const { return SourceMgr; } 264c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 265c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 266c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 267c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Deallocate(void *Ptr) { 269c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 2701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MallocAlloc.Deallocate(Ptr); 271c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 272e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 2731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FullSourceLoc getFullLoc(SourceLocation Loc) const { 2759c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 2769c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 277ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 27868584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Retrieve the attributes for the given declaration. 27968584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor Attr*& getDeclAttrs(const Decl *D) { return DeclAttrs[D]; } 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28168584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Erase the attributes corresponding to the given declaration. 28268584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor void eraseDeclAttrs(const Decl *D) { DeclAttrs.erase(D); } 2832455636163fdd18581d7fdae816433f886d88213Mike Stump 2847caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief If this variable is an instantiated static data member of a 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// class template specialization, returns the templated static data member 2867caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// from which it was instantiated. 287663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor MemberSpecializationInfo *getInstantiatedFromStaticDataMember( 288663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor const VarDecl *Var); 2891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2907caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Note that the static data member \p Inst is an instantiation of 2917caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// the static data member template \p Tmpl of a class template. 292251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor void setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 293251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK); 2941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 295ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief If the given using decl is an instantiation of a 296ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// (possibly unresolved) using decl from a template instantiation, 297d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson /// return it. 298ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NamedDecl *getInstantiatedFromUsingDecl(UsingDecl *Inst); 299d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 300ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief Remember that the using decl \p Inst is an instantiation 301ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// of the using decl \p Pattern of a class template. 302ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern); 3031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 304ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 305ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern); 306ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst); 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 308d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field); 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson void setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, FieldDecl *Tmpl); 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 312ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 313ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3152e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char *getCommentForDecl(const Decl *D); 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 318e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType VoidTy; 319e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType BoolTy; 320e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType CharTy; 321e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 322e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType Char16Ty; // [C++0x 3.9.1p5], integer type in C99. 323e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType Char32Ty; // [C++0x 3.9.1p5], integer type in C99. 324e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy, Int128Ty; 325e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 326e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UnsignedLongLongTy, UnsignedInt128Ty; 327e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType FloatTy, DoubleTy, LongDoubleTy; 328e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 329e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType VoidPtrTy, NullPtrTy; 330e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType OverloadTy; 331e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType DependentTy; 332e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UndeducedAutoTy; 33313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian CanQualType ObjCBuiltinIdTy, ObjCBuiltinClassTy, ObjCBuiltinSelTy; 3348e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 335444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar ASTContext(const LangOptions& LOpts, SourceManager &SM, const TargetInfo &t, 3361b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner IdentifierTable &idents, SelectorTable &sels, 3371b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 3381b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner bool FreeMemory = true, unsigned size_reserve=0); 339fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 3416ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor 3422cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Attach an external AST source to the AST context. 3432cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// 3442cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// The external AST source provides the ability to load parts of 3452cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// the abstract syntax tree as needed from some external storage, 3462cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// e.g., a precompiled header. 3472cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor void setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source); 3482cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 3492cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Retrieve a pointer to the external AST source associated 3502cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// with this AST context, if any. 3512cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalASTSource *getExternalSource() const { return ExternalSource.get(); } 3522cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 35403ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 355d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 356464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 357464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 358464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getExtQualType - Return a type with extended qualifiers. 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getExtQualType(const Type *Base, Qualifiers Quals); 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getAddSpaceQualType - Return the uniqued reference to the type for an 3661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// address space qualified type with the specified type and address space. 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The resulting type has a union of the qualifiers from T and the address 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// space. If T already has an address space specifier, it is silently 369f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 370f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 372d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 373d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 374d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getObjCGCQualType(QualType T, Qualifiers::GC gcAttr); 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getRestrictType - Returns the uniqued reference to the type for a 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'restrict' qualified type. The resulting type has a union of the 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'restrict'. 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getRestrictType(QualType T) { 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qualifiers::Restrict); 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getVolatileType - Returns the uniqued reference to the type for a 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'volatile' qualified type. The resulting type has a union of the 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'volatile'. 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getVolatileType(QualType T); 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getConstType - Returns the uniqued reference to the type for a 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'const' qualified type. The resulting type has a union of the 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'const'. 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// It can be reasonably expected that this will always be 3940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// equivalent to calling T.withConst(). 3950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getConstType(QualType T) { return T.withConst(); } 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor /// getNoReturnType - Add or remove the noreturn attribute to the given type 39843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor /// which must be a FunctionType or a pointer to an allowable type or a 39943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor /// BlockPointer. 40043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType getNoReturnType(QualType T, bool AddNoReturn = true); 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 405e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getComplexType(CanQualType T) { 406e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType::CreateUnsafe(getComplexType((QualType) T)); 407e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall } 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 412e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getPointerType(CanQualType T) { 413e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType::CreateUnsafe(getPointerType((QualType) T)); 414e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall } 4155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 4165618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 4175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 4185618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 419f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 420adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of the descriptor for pointer to 421adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// blocks. 422adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getBlockDescriptorType(); 423adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 424adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // Set the type for a Block descriptor type. 425adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump void setBlockDescriptorType(QualType T); 426adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// Get the BlockDescriptorType type, or NULL if it hasn't yet been built. 427adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getRawBlockdescriptorType() { 428adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 429adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 430adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return QualType(); 431adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 432adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 433083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// This gets the struct used to keep track of the extended descriptor for 434083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// pointer to blocks. 435083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockDescriptorExtendedType(); 436083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 437083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // Set the type for a Block descriptor extended type. 438083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump void setBlockDescriptorExtendedType(QualType T); 439083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// Get the BlockDescriptorExtendedType type, or NULL if it hasn't yet been 440083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// built. 441083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getRawBlockdescriptorExtendedType() { 442083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 443083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 444083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return QualType(); 445083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 446083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 447adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of pointer to blocks, complete 448adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// with captured variables. 449083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockParmType(bool BlockHasCopyDispose, 450083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump llvm::SmallVector<const Expr *, 8> &BDRDs); 451adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 452ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /// This builds the struct used for __block variables. 453af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType BuildByRefType(const char *DeclName, QualType Ty); 454af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 455af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /// Returns true iff we need copy/dispose helpers for the given type. 456af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool BlockRequiresCopying(QualType Ty); 457adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 4587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 4597c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 46054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getLValueReferenceType(QualType T, bool SpelledAsLValue = true); 4617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 4627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 4637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 4647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 465f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 466f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 467f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 468f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 469f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 470f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 471bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 472bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 473c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 474c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 4757e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 4767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 478898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 479898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 480898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 481898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 482898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 483fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 4847e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 4857e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 486fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 487c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 488c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 489c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 490c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 491c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 492c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 493bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 494bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 495c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 496c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 497c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 4987e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 49973322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 50073322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 50173322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 50273322924127c873c13101b705dd823f5539ffa5fSteve Naroff 503213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 504213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 505213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 506213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5089cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// getDependentSizedExtVectorType - Returns a non-unique reference to 5099cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// the type for a dependently-sized vector of the specified element 5109cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 5119cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// comparable, at some point. 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getDependentSizedExtVectorType(QualType VectorType, 5139cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 5149cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc); 5159cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 51672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5182455636163fdd18581d7fdae816433f886d88213Mike Stump QualType getFunctionNoProtoType(QualType ResultTy, bool NoReturn = false); 519465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 52286da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 523971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 524465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec = false, 525465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec = false, 5262455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExs = 0, const QualType *ExArray = 0, 5272455636163fdd18581d7fdae816433f886d88213Mike Stump bool NoReturn = false); 5282ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 5292ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 5302ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 5314b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 5322ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 536fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 53749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getSubstTemplateTypeParmType(const TemplateTypeParmType *Replaced, 53849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement); 53949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 54176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 542fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name = 0); 543fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 5447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType getTemplateSpecializationType(TemplateName T, 5457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 5467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 5477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon = QualType()); 548833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 549833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall QualType getTemplateSpecializationType(TemplateName T, 550d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 551833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall QualType Canon = QualType()); 55255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 553ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualType getQualifiedNameType(NestedNameSpecifier *NNS, 554e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType); 5551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTypenameType(NestedNameSpecifier *NNS, 556d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 557d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon = QualType()); 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTypenameType(NestedNameSpecifier *NNS, 5591734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 5601734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon = QualType()); 5617da2431c23ef1ee8acb114e39692246e1801afc2John McCall QualType getElaboratedType(QualType UnderlyingType, 5627da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedType::TagKind Tag); 563e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 564c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff QualType getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCProtocolDecl **Protocols = 0, 566c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff unsigned NumProtocols = 0); 567c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 568d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// getObjCObjectPointerType - Return a ObjCObjectPointerType type for the 569d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// given interface decl and the conforming protocol list. 570c02397509bb4057f3a7d6f5f4d764d122ed2381fSteve Naroff QualType getObjCObjectPointerType(QualType OIT, 571d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCProtocolDecl **ProtocolList = 0, 572d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff unsigned NumProtocols = 0); 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 574d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 57572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 576d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 5771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 578395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson /// getDecltypeType - C++0x decltype. 579395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson QualType getDecltypeType(Expr *e); 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 583e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump QualType getTagDeclType(const TagDecl *Decl); 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 587a3ccda58913cc1a4b8564e349448b12acc462da7Anders Carlsson CanQualType getSizeType() const; 588fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 5893a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 5903a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 5913a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 5923a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 59364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 59464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 59564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 59664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 59764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 59864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 59964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 60064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6028b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 6038b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 6048b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 606beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 607beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getCFConstantStringType(); 6091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 610319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the structure type used to representation CFStrings, or NULL 611319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// if it hasn't yet been built. 612319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawCFConstantStringType() { 613319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (CFConstantStringTypeDecl) 614319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(CFConstantStringTypeDecl); 615319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 616319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 617319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setCFConstantStringType(QualType T); 618319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 619983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 620a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getObjCConstantStringInterface() const { 6221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCConstantStringType; 6232198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 624b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 625bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 626bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 6271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 628319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the ObjCFastEnumerationState type, or NULL if it hasn't yet 629319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// been built. 630319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawObjCFastEnumerationStateType() { 631319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (ObjCFastEnumerationStateTypeDecl) 632319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 633319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 634319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 635319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 636319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCFastEnumerationStateType(QualType T); 637319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 638c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Set the type for the C FILE type. 639c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor void setFILEDecl(TypeDecl *FILEDecl) { this->FILEDecl = FILEDecl; } 6401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 641c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Retrieve the C FILE type. 6421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFILEType() { 6431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FILEDecl) 644c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return getTypeDeclType(FILEDecl); 645c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return QualType(); 646c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor } 647782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 648782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C jmp_buf type. 649fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setjmp_bufDecl(TypeDecl *jmp_bufDecl) { 650fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->jmp_bufDecl = jmp_bufDecl; 651fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 653782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C jmp_buf type. 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getjmp_bufType() { 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (jmp_bufDecl) 656782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(jmp_bufDecl); 657782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 658782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 659782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 660782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C sigjmp_buf type. 661fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setsigjmp_bufDecl(TypeDecl *sigjmp_bufDecl) { 662fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->sigjmp_bufDecl = sigjmp_bufDecl; 663fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 665782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C sigjmp_buf type. 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getsigjmp_bufType() { 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (sigjmp_bufDecl) 668782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(sigjmp_bufDecl); 669782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 670782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 672d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 673d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 674d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 6751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForType(QualType t, std::string &S, 676153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field=0); 677a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 678a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 6791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 680ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 6811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 682ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 6831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 684a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 68533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 686c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall /// getObjCEncodingForBlockDecl - Return the encoded type for this block 6895e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall /// declaration. 6905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall void getObjCEncodingForBlock(const BlockExpr *Expr, std::string& S); 6915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 692c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 693c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 694c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 695c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 697c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 698c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7000fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian bool ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 7010fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto); 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 703a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 70433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 705a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 706d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 707d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 708d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 709de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCIdType() const { return ObjCIdTypedefType; } 710319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCIdType(QualType T); 7111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 712319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCSelType(QualType T); 71313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian QualType getObjCSelType() const { return ObjCSelTypedefType; } 7141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 715a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 716a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 718d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 719d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 720d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 721de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCClassType() const { return ObjCClassTypedefType; } 722319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCClassType(QualType T); 7231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 724b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 725b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 726f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 727f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman QualType getFixedWidthIntType(unsigned Width, bool Signed); 728f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 7290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getCVRQualifiedType - Returns a type with additional const, 7300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// volatile, or restrict qualifiers. 7310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getCVRQualifiedType(QualType T, unsigned CVR) { 7320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(T, Qualifiers::fromCVRMask(CVR)); 7330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 7350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 7360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(QualType T, Qualifiers Qs) { 7370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 7380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qs.getFastQualifiers()); 7390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc(Qs); 7400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Qc.strip(T); 7410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(Ptr, Qc); 7420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 7440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 7450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(const Type *T, Qualifiers Qs) { 7460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 7470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(T, Qs.getFastQualifiers()); 7480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(T, Qs); 7490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 75180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall DeclarationName getNameForTemplate(TemplateName Name); 75280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 7530bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateName getOverloadedTemplateName(NamedDecl * const *Begin, 7540bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl * const *End); 7550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 7561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, 7577532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 7587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template); 7591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 7617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name); 762ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 763ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator); 7647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 76586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner enum GetBuiltinTypeError { 766782fa308a765aeac2acb39c4e697c937ec21185bMike Stump GE_None, //< No error 767f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_stdio, //< Missing a type from <stdio.h> 768f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_setjmp //< Missing a type from <setjmp.h> 76986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner }; 7701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner /// GetBuiltinType - Return the type for the specified builtin. 77286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType GetBuiltinType(unsigned ID, GetBuiltinTypeError &Error); 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 774d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 775e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getFromTargetType(unsigned Type) const; 776b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 777464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 778b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 779b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 781d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 7824fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 7834fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 7844fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 7850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttrKind(const QualType &Ty) const; 7861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 787fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 788fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 789fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 791b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 792464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 793464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 795b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 796b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 797b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 7981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 799464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 800464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 8011d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 8021d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 8031d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 8041d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 8051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 806464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 807464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 80898be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 80998be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 810464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 8111d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 8121d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 8131d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 8141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 815cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck /// getCharWidth - Return the size of the character type, in bits 816cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck uint64_t getCharWidth() { 817f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck return getTypeSize(CharTy); 818f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck } 819f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck 820cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck /// getTypeSizeInChars - Return the size of the specified type, in characters. 821f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck /// This method does not work on incomplete types. 822cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck uint64_t getTypeSizeInChars(QualType T) { 823cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck return getTypeSize(T) / getCharWidth(); 824f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck } 825cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck uint64_t getTypeSizeInChars(const Type *T) { 826cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck return getTypeSize(T) / getCharWidth(); 827f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck } 828f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck 82934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 83034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 83198be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 83298be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 833464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 8341d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 8351d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 8361d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 8371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 83834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 83934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 84034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 84134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 84234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8445d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned getDeclAlignInBytes(const Decl *D, bool RefAsPointee = false); 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84688a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 847464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 848464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 84998be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 8501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 851b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCInterfaceLayout - Get or compute information about the 852b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// layout of the specified Objective-C interface. 85344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 854b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 855b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCImplementationLayout - Get or compute information about 856b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// the layout of the specified Objective-C implementation. This may 857b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// differ from the interface if synthesized ivars are present. 858b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout & 859b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar getASTObjCImplementationLayout(const ObjCImplementationDecl *D); 860b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 861f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// getKeyFunction - Get the key function for the given record decl. 862f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// The key function is, according to the Itanium C++ ABI section 5.2.3: 863f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// 864f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// ...the first non-pure virtual function that is not inline at the point 865f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// of class definition. 866f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson const CXXMethodDecl *getKeyFunction(const CXXRecordDecl *RD); 867f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 86888e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 8696ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor llvm::SmallVectorImpl<FieldDecl*> &Fields); 8708e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8718e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian void ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 8728e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars, 8738e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian bool CollectSynthesized = true); 8749820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectSynthesizedIvars(const ObjCInterfaceDecl *OI, 8759820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 8769820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectProtocolSynthesizedIvars(const ObjCProtocolDecl *PD, 8779820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 8788e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountSynthesizedIvars(const ObjCInterfaceDecl *OI); 8798e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD); 880e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian void CollectInheritedProtocols(const Decl *CDecl, 881e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl*> &Protocols); 882525c9b7baeeff022127cd1b167579f3bda73b3edDaniel Dunbar 883464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 884464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 885464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 88877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 88977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 89077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 89177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 89277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 89350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CanQualType getCanonicalType(QualType T); 8941d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 8951d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 8961d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 8972a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 89854e14c4db764c0636160d26c5bbf491637c83a76John McCall /// getCanonicalParamType - Return the canonical parameter type 89954e14c4db764c0636160d26c5bbf491637c83a76John McCall /// corresponding to the specific potentially non-canonical one. 90054e14c4db764c0636160d26c5bbf491637c83a76John McCall /// Qualifiers are stripped off, functions are turned into function 90154e14c4db764c0636160d26c5bbf491637c83a76John McCall /// pointers, and arrays decay one level into pointers. 90254e14c4db764c0636160d26c5bbf491637c83a76John McCall CanQualType getCanonicalParamType(QualType T); 90354e14c4db764c0636160d26c5bbf491637c83a76John McCall 9048e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 9058e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 9068e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 9078e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 9081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9098e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 9108e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 9118e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 912a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CanQualType CT1 = getCanonicalType(T1); 913a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CanQualType CT2 = getCanonicalType(T2); 914a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return CT1.getUnqualifiedType() == CT2.getUnqualifiedType(); 9158e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 9168e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieves the "canonical" declaration of 9187da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor 919d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieves the "canonical" nested name specifier for a 920d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// given nested name specifier. 921d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 922d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// The canonical nested name specifier is a nested name specifier 923d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// that uniquely identifies a type or namespace within the type 924d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// system. For example, given: 925d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 926d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \code 927d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// namespace N { 928d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// struct S { 929d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct X { typename T* type; }; 930d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 931d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// } 932d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 933d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct Y { 934d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// typename N::S::X<T>::type member; 935d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 936d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \endcode 937d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 938d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// Here, the nested-name-specifier for N::S::X<T>:: will be 939d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// S::X<template-param-0-0>, since 'S' and 'X' are uniquely defined 940d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// by declarations in the type system and the canonical type for 941d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// the template type parameter 'T' is template-param-0-0. 942d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier * 943d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS); 944d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 94525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// \brief Retrieves the "canonical" template name that refers to a 94625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// given template. 94725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 94825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// The canonical template name is the simplest expression that can 94925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// be used to refer to a given template. For most templates, this 95025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// expression is just the template declaration itself. For example, 95125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// the template std::vector can be referred to via a variety of 95225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// names---std::vector, ::std::vector, vector (if vector is in 95325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// scope), etc.---but all of these names map down to the same 95425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// TemplateDecl, which is used to form the canonical template name. 95525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 95625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// Dependent template names are more interesting. Here, the 95725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name could be something like T::template apply or 95825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// std::allocator<T>::template rebind, where the nested name 95925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// specifier itself is dependent. In this case, the canonical 96025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name uses the shortest form of the dependent 96125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// nested-name-specifier, which itself contains all canonical 96225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// types, values, and templates. 96325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor TemplateName getCanonicalTemplateName(TemplateName Name); 96425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 965db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor /// \brief Determine whether the given template names refer to the same 966db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor /// template. 967db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor bool hasSameTemplateName(TemplateName X, TemplateName Y); 968db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 9691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// \brief Retrieve the "canonical" template argument. 9701275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// 9711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The canonical template argument is the simplest template argument 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// (which may be a type, value, expression, or declaration) that 9731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// expresses the value of the argument. 9741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument getCanonicalTemplateArgument(const TemplateArgument &Arg); 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 976c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 977c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 978c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 979c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 980c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 981c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 982c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 983c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 984c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 985c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 986c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 987c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 988c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 989c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 9906183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 991fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// getBaseElementType - Returns the innermost element type of an array type. 992fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// For example, will return "int" for int[m][n] 993fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType getBaseElementType(const ArrayType *VAT); 9945e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 9955e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// getBaseElementType - Returns the innermost element type of a type 9965e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// (which needn't actually be an array type). 9975e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QualType getBaseElementType(QualType QT); 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9990de78998e7bda473b408437053e48661b510d453Fariborz Jahanian /// getConstantArrayElementCount - Returns number of constant array elements. 10000de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t getConstantArrayElementCount(const ConstantArrayType *CA) const; 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1002e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 1003e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 1004e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 1005e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 1006e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 1007e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 1008e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 10091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1010a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// getPromotedIntegerType - Returns the type that Promotable will 1011a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 1012a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// integer type. 1013a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType getPromotedIntegerType(QualType PromotableType); 1014a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 101504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \brief Whether this is a promotable bitfield reference according 101604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 101704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// 101804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \returns the type this bit-field will promote to, or NULL if no 101904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// promotion occurs. 102004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType isPromotableBitField(Expr *E); 102104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 10221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getIntegerTypeOrder - Returns the highest ranked integer type: 10237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 10241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 10257cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 10261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1027a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 1028a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 1029a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 10301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 1031a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 10341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// point or a complex type (based on typeDomain/typeSize). 1035716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 1036716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 10371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 1038f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 1039ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1040f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 1041f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 1042f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 1043f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1044f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 1045f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1046ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 1047ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 1048ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 10491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1050ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 1051ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1053a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 1054de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCIdTypedefType; 1055389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 1056a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 1057de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCClassTypedefType; 1058389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 1059a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 106013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return T == ObjCSelTypedefType; 10618baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 10624084c306635b70f37029dca938444e6013f08684Steve Naroff bool QualifiedIdConformsQualifiedId(QualType LHS, QualType RHS); 10634084c306635b70f37029dca938444e6013f08684Steve Naroff bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, 10644084c306635b70f37029dca938444e6013f08684Steve Naroff bool ForCompare); 10658baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 10663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 106714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 106814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *RHSOPT); 106914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 10703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 1071389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 1072db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian QualType areCommonBaseCompatible(const ObjCObjectPointerType *LHSOPT, 1073db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *RHSOPT); 1074db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 10753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 10763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 10773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 10783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 1079a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// UsualArithmeticConversionsType - handles the various conversions 1080a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// that are common to binary operators (C99 6.3.1.8, C++ [expr]p9) 1081a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// and returns the result type of that conversion. 1082a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType UsualArithmeticConversionsType(QualType lhs, QualType rhs); 1083a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 1084368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 1085ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 1086ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1087ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1088ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 1089ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 1090ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 1091ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1092ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 1093ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 1094ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 1095ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 1096ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1097ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1098e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 1099e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 11001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1101e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 1102e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 11031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1104e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 1105e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 1106e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 11071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const_type_iterator types_end() const { return Types.end(); } 11081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1109e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 11100cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 11110cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 11120cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 11130cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 11140cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 11150cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 11160cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 11170cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 11180cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 11190cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 11200cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 11218a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 11228a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *getObjCImplementation(ObjCInterfaceDecl *D); 11238a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 11248a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *getObjCImplementation(ObjCCategoryDecl *D); 11258a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11268a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCInterfaceDecl. 11278a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCInterfaceDecl *IFaceD, 11288a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD); 11298a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCCategoryDecl. 11308a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCCategoryDecl *CatD, 11318a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD); 11328a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 1133a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// \brief Allocate an uninitialized TypeSourceInfo. 1134b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1135a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// The caller should initialize the memory held by TypeSourceInfo using 1136b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// the TypeLoc wrappers. 1137b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1138b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// \param T the type that will be the basis for type source info. This type 1139b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// should refer to how the declarator was written in source code, not to 1140b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// what type semantic analysis resolved the declarator to. 1141109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// 1142109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// \param Size the size of the type info to create, or 0 if the size 1143109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// should be calculated based on the type. 1144a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *CreateTypeSourceInfo(QualType T, unsigned Size = 0); 1145b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1146a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// \brief Allocate a TypeSourceInfo where all locations have been 1147a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall /// initialized to a given location, which defaults to the empty 1148a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall /// location. 1149a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo * 1150a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall getTrivialTypeSourceInfo(QualType T, SourceLocation Loc = SourceLocation()); 1151a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 11551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 1157e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall void InitBuiltinType(CanQualType &R, BuiltinType::Kind K); 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 115982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeImpl(QualType t, std::string &S, 116182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 116282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 1163153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field, 1164090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 11656ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty = false); 1166b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1167b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout &getObjCLayout(const ObjCInterfaceDecl *D, 11681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCImplementationDecl *Impl); 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1170d5925bdff8bda8e062985caea299946636104d99Ted Kremenek 1171d5925bdff8bda8e062985caea299946636104d99Ted Kremenek/// @brief Utility function for constructing a nullary selector. 1172d5925bdff8bda8e062985caea299946636104d99Ted Kremenekstatic inline Selector GetNullarySelector(const char* name, ASTContext& Ctx) { 1173d5925bdff8bda8e062985caea299946636104d99Ted Kremenek IdentifierInfo* II = &Ctx.Idents.get(name); 1174d5925bdff8bda8e062985caea299946636104d99Ted Kremenek return Ctx.Selectors.getSelector(0, &II); 1175d5925bdff8bda8e062985caea299946636104d99Ted Kremenek} 1176d5925bdff8bda8e062985caea299946636104d99Ted Kremenek 1177d5925bdff8bda8e062985caea299946636104d99Ted Kremenek/// @brief Utility function for constructing an unary selector. 1178d5925bdff8bda8e062985caea299946636104d99Ted Kremenekstatic inline Selector GetUnarySelector(const char* name, ASTContext& Ctx) { 1179d5925bdff8bda8e062985caea299946636104d99Ted Kremenek IdentifierInfo* II = &Ctx.Idents.get(name); 1180d5925bdff8bda8e062985caea299946636104d99Ted Kremenek return Ctx.Selectors.getSelector(1, &II); 1181d5925bdff8bda8e062985caea299946636104d99Ted Kremenek} 1182e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1185e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 1186e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 1187e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 1188e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1189e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 1190e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 1191e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 1192e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 1193e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 1194e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 1195e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 1196e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 1197e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 1198e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 1199e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 1200e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 1201e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 12024398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 1203e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1204e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 1205e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 120642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 120742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 1208e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 1209e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 12109f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor size_t Alignment) throw () { 1211c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 1212e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1213e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 1214e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1215e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 1216e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 1217e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 1218e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 1219fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattnerinline void operator delete(void *Ptr, clang::ASTContext &C, size_t) 1220e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 1221c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 1222e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1223e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 122442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 122542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 122642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 122742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 122842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 122942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Default alignment (16) 123042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 123142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 123242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context, 8) char[10]; 123342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 123442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 123542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 12364398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 123742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 123842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 123942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 124042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 124142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 124242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 124342542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 124442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek size_t Alignment = 16) throw () { 124542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 124642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 124742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 124842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 124942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 125042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 125142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 125242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 125342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 125442542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void operator delete[](void *Ptr, clang::ASTContext &C) throw () { 125542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 125642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 125742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1259