ASTContext.h revision a93c934af4fbf97cbe8e649d82e68ccacfe57c95
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 48e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 490d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class FieldDecl; 500d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class ObjCIvarDecl; 510d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class ObjCIvarRefExpr; 52c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 53e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 54e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 550d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class TemplateTypeParmDecl; 56e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 57e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 58e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 590d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class UsingDecl; 60ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UsingShadowDecl; 611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 621b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner namespace Builtin { class Context; } 631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass ASTContext { 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSet<ExtQuals> ExtQualNodes; 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<LValueReferenceType> LValueReferenceTypes; 737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<RValueReferenceType> RValueReferenceTypes; 74f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 757192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 76c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 77c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 7804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor llvm::FoldingSet<DependentSizedArrayType> DependentSizedArrayTypes; 792ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSet<DependentSizedExtVectorType> DependentSizedExtVectorTypes; 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 8172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionNoProtoType> FunctionNoProtoTypes; 8272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionProtoType> FunctionProtoTypes; 83b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSet<DependentTypeOfExprType> DependentTypeOfExprTypes; 849d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSet<DependentDecltypeType> DependentDecltypeTypes; 85fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 8649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSet<SubstTemplateTypeParmType> SubstTemplateTypeParmTypes; 877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<TemplateSpecializationType> TemplateSpecializationTypes; 88e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSet<QualifiedNameType> QualifiedNameTypes; 89d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSet<TypenameType> TypenameTypes; 90c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff llvm::FoldingSet<ObjCInterfaceType> ObjCInterfaceTypes; 91d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSet<ObjCObjectPointerType> ObjCObjectPointerTypes; 927da2431c23ef1ee8acb114e39692246e1801afc2John McCall llvm::FoldingSet<ElaboratedType> ElaboratedTypes; 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<QualifiedTemplateName> QualifiedTemplateNames; 957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<DependentTemplateName> DependentTemplateNames; 967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 97ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The set of nested name specifiers. 98ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// 99ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// This set is managed by the NestedNameSpecifier class. 100ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor llvm::FoldingSet<NestedNameSpecifier> NestedNameSpecifiers; 101ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *GlobalNestedNameSpecifier; 102ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor friend class NestedNameSpecifier; 103ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 10488a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 105a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 10688a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 107b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar llvm::DenseMap<const ObjCContainerDecl*, const ASTRecordLayout*> ObjCLayouts; 108f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Mapping from ObjCContainers to their ObjCImplementations. 1108a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*> ObjCImpls; 1118a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 112f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> SignedFixedWidthIntTypes; 113f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> UnsignedFixedWidthIntTypes; 1141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 115b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 116b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 117b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 118b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 119d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1206083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 121de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCIdTypedefType; 1221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1236083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 12413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian QualType ObjCSelTypedefType; 1251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1266083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 127a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 128390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1298baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1306083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 131de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCClassTypedefType; 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 133a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1342198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1357a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 136bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 1371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief The type for the C FILE type. 139c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor TypeDecl *FILEDecl; 1401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1418fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C jmp_buf type. 142782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *jmp_bufDecl; 1431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1448fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C sigjmp_buf type. 145782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *sigjmp_bufDecl; 1461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 148adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *BlockDescriptorType; 149adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 150083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 151083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *BlockDescriptorExtendedType; 152083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 1531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Keeps track of all declaration attributes. 15468584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// 15568584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// Since so few decls have attrs, we keep them in a hash map instead of 15668584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// wasting space in the Decl class. 15768584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor llvm::DenseMap<const Decl*, Attr*> DeclAttrs; 1582455636163fdd18581d7fdae816433f886d88213Mike Stump 1597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Keeps track of the static data member templates from which 1607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static data members of class template specializations were instantiated. 1617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// This data structure stores the mapping from instantiations of static 1637caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// data members to the static data member representations within the 164251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template from which they were instantiated along with the kind 165251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// of instantiation or specialization (a TemplateSpecializationKind - 1). 1667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// Given the following example: 1687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \code 1707caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 1717caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// struct X { 1727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static T value; 1737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// }; 1747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 1767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// T X<T>::value = T(17); 1777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// int *x = &X<int>::value; 1797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \endcode 1807caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 1811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// This mapping will contain an entry that maps from the VarDecl for 1827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// X<int>::value to the corresponding VarDecl for X<T>::value (within the 183251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template X) and will be marked TSK_ImplicitInstantiation. 184663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *> 185251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember; 1861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 187ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief Keeps track of the declaration from which a UsingDecl was 188ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// created during instantiation. The source declaration is always 189ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// a UsingDecl, an UnresolvedUsingValueDecl, or an 190ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// UnresolvedUsingTypenameDecl. 1910d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 1920d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// For example: 1930d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \code 1940d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 1950d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct A { 1960d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// void f(); 1970d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 1980d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 1990d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 2000d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct B : A<T> { 2010d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// using A<T>::f; 2020d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 2030d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2040d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template struct B<int>; 2050d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \endcode 2060d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2070d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// This mapping will contain an entry that maps from the UsingDecl in 2080d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// B<int> to the UnresolvedUsingDecl in B<T>. 209ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingDecl *, NamedDecl *> InstantiatedFromUsingDecl; 210ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 211ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*> 212ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl; 2131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 214d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *> InstantiatedFromUnnamedFieldDecl; 2151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 216ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 217ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 218e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 219b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 2201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 221e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 222e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 223e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 224e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 2252e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Whether we have already loaded comment source ranges from an 2262e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// external source. 2272e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool LoadedExternalComments; 2281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 229c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 230c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 231c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 232c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 2331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2342e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Mapping from declarations to their comments, once we have 2352e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// already looked up the comment associated with a given declaration. 2362e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor llvm::DenseMap<const Decl *, std::string> DeclComments; 2371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 239444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &Target; 24071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 24129238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 2421b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &BuiltinInfo; 2432e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 2442cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor llvm::OwningPtr<ExternalASTSource> ExternalSource; 245d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor clang::PrintingPolicy PrintingPolicy; 2462e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2470f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // Typedefs which may be provided defining the structure of Objective-C 2480f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // pseudo-builtins 2490f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCIdRedefinitionType; 2500f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCClassRedefinitionType; 251369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian QualType ObjCSelRedefinitionType; 2520f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall 2532e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// \brief Source ranges for all of the comments in the source file, 2542e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor /// sorted in order of appearance in the translation unit. 2552e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange> Comments; 2561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2577a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 258a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner const SourceManager& getSourceManager() const { return SourceMgr; } 259c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 260c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 261c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 262c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 2631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Deallocate(void *Ptr) { 264c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 2651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MallocAlloc.Deallocate(Ptr); 266c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 267e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FullSourceLoc getFullLoc(SourceLocation Loc) const { 2709c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 2719c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 272ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 27368584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Retrieve the attributes for the given declaration. 27468584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor Attr*& getDeclAttrs(const Decl *D) { return DeclAttrs[D]; } 2751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27668584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Erase the attributes corresponding to the given declaration. 27768584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor void eraseDeclAttrs(const Decl *D) { DeclAttrs.erase(D); } 2782455636163fdd18581d7fdae816433f886d88213Mike Stump 2797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief If this variable is an instantiated static data member of a 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// class template specialization, returns the templated static data member 2817caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// from which it was instantiated. 282663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor MemberSpecializationInfo *getInstantiatedFromStaticDataMember( 283663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor const VarDecl *Var); 2841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2857caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Note that the static data member \p Inst is an instantiation of 2867caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// the static data member template \p Tmpl of a class template. 287251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor void setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 288251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK); 2891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 290ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief If the given using decl is an instantiation of a 291ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// (possibly unresolved) using decl from a template instantiation, 292d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson /// return it. 293ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NamedDecl *getInstantiatedFromUsingDecl(UsingDecl *Inst); 294d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 295ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief Remember that the using decl \p Inst is an instantiation 296ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// of the using decl \p Pattern of a class template. 297ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern); 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 299ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 300ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern); 301ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst); 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 303d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field); 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 305d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson void setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, FieldDecl *Tmpl); 3061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 307ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 308ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3102e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char *getCommentForDecl(const Decl *D); 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 313e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType VoidTy; 314e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType BoolTy; 315e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType CharTy; 316e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 317e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType Char16Ty; // [C++0x 3.9.1p5], integer type in C99. 318e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType Char32Ty; // [C++0x 3.9.1p5], integer type in C99. 319e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy, Int128Ty; 320e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 321e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UnsignedLongLongTy, UnsignedInt128Ty; 322e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType FloatTy, DoubleTy, LongDoubleTy; 323e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 324e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType VoidPtrTy, NullPtrTy; 325e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType OverloadTy; 326e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType DependentTy; 327e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UndeducedAutoTy; 32813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian CanQualType ObjCBuiltinIdTy, ObjCBuiltinClassTy, ObjCBuiltinSelTy; 3298e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 330444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar ASTContext(const LangOptions& LOpts, SourceManager &SM, const TargetInfo &t, 3311b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner IdentifierTable &idents, SelectorTable &sels, 3321b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 3331b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner bool FreeMemory = true, unsigned size_reserve=0); 334fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 3366ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor 3372cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Attach an external AST source to the AST context. 3382cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// 3392cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// The external AST source provides the ability to load parts of 3402cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// the abstract syntax tree as needed from some external storage, 3412cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// e.g., a precompiled header. 3422cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor void setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source); 3432cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 3442cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Retrieve a pointer to the external AST source associated 3452cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// with this AST context, if any. 3462cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalASTSource *getExternalSource() const { return ExternalSource.get(); } 3472cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 34903ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 350d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 351464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 352464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 353464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getExtQualType - Return a type with extended qualifiers. 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getExtQualType(const Type *Base, Qualifiers Quals); 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getAddSpaceQualType - Return the uniqued reference to the type for an 3611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// address space qualified type with the specified type and address space. 3621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The resulting type has a union of the qualifiers from T and the address 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// space. If T already has an address space specifier, it is silently 364f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 365f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 3661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 367d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 368d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 369d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getObjCGCQualType(QualType T, Qualifiers::GC gcAttr); 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getRestrictType - Returns the uniqued reference to the type for a 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'restrict' qualified type. The resulting type has a union of the 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'restrict'. 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getRestrictType(QualType T) { 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qualifiers::Restrict); 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getVolatileType - Returns the uniqued reference to the type for a 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'volatile' qualified type. The resulting type has a union of the 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'volatile'. 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getVolatileType(QualType T); 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getConstType - Returns the uniqued reference to the type for a 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'const' qualified type. The resulting type has a union of the 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'const'. 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// It can be reasonably expected that this will always be 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// equivalent to calling T.withConst(). 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getConstType(QualType T) { return T.withConst(); } 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3922455636163fdd18581d7fdae816433f886d88213Mike Stump /// getNoReturnType - Add the noreturn attribute to the given type which must 3932455636163fdd18581d7fdae816433f886d88213Mike Stump /// be a FunctionType or a pointer to an allowable type or a BlockPointer. 3942455636163fdd18581d7fdae816433f886d88213Mike Stump QualType getNoReturnType(QualType T); 3951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 399e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getComplexType(CanQualType T) { 400e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType::CreateUnsafe(getComplexType((QualType) T)); 401e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall } 4021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 406e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getPointerType(CanQualType T) { 407e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType::CreateUnsafe(getPointerType((QualType) T)); 408e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall } 4095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 4105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 4115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 4125618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 413f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 414adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of the descriptor for pointer to 415adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// blocks. 416adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getBlockDescriptorType(); 417adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 418adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // Set the type for a Block descriptor type. 419adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump void setBlockDescriptorType(QualType T); 420adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// Get the BlockDescriptorType type, or NULL if it hasn't yet been built. 421adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getRawBlockdescriptorType() { 422adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 423adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 424adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return QualType(); 425adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 426adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 427083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// This gets the struct used to keep track of the extended descriptor for 428083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// pointer to blocks. 429083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockDescriptorExtendedType(); 430083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 431083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // Set the type for a Block descriptor extended type. 432083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump void setBlockDescriptorExtendedType(QualType T); 433083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// Get the BlockDescriptorExtendedType type, or NULL if it hasn't yet been 434083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// built. 435083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getRawBlockdescriptorExtendedType() { 436083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 437083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 438083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return QualType(); 439083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 440083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 441adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of pointer to blocks, complete 442adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// with captured variables. 443083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockParmType(bool BlockHasCopyDispose, 444083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump llvm::SmallVector<const Expr *, 8> &BDRDs); 445adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 446ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /// This builds the struct used for __block variables. 447af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType BuildByRefType(const char *DeclName, QualType Ty); 448af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 449af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /// Returns true iff we need copy/dispose helpers for the given type. 450af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool BlockRequiresCopying(QualType Ty); 451adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 4527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 4537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 45454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getLValueReferenceType(QualType T, bool SpelledAsLValue = true); 4557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 4567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 4577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 4587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 459f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 460f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 461f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 462f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 463f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 464f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 465bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 466bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 467c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 468c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 4697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 4707e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 472898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 473898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 474898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 475898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 476898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 477fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 4787e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 4797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 480fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 481c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 482c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 483c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 484c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 485c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 486c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 487bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 488bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 489c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 490c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 491c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 4927e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 49373322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 49473322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 49573322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 49673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 497213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 498213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 499213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 500213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5029cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// getDependentSizedExtVectorType - Returns a non-unique reference to 5039cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// the type for a dependently-sized vector of the specified element 5049cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 5059cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// comparable, at some point. 5061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getDependentSizedExtVectorType(QualType VectorType, 5079cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 5089cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc); 5099cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 51072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5122455636163fdd18581d7fdae816433f886d88213Mike Stump QualType getFunctionNoProtoType(QualType ResultTy, bool NoReturn = false); 513465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 51686da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 517971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 518465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec = false, 519465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec = false, 5202455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExs = 0, const QualType *ExArray = 0, 5212455636163fdd18581d7fdae816433f886d88213Mike Stump bool NoReturn = false); 5222ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 5232ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 5242ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 5254b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 5262ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 530fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 53149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getSubstTemplateTypeParmType(const TemplateTypeParmType *Replaced, 53249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement); 53349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 5341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 53576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 536fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name = 0); 537fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 5387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType getTemplateSpecializationType(TemplateName T, 5397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 5407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 5417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon = QualType()); 542833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 543833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall QualType getTemplateSpecializationType(TemplateName T, 544d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 545833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall QualType Canon = QualType()); 54655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 547ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualType getQualifiedNameType(NestedNameSpecifier *NNS, 548e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType); 5491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTypenameType(NestedNameSpecifier *NNS, 550d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 551d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon = QualType()); 5521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTypenameType(NestedNameSpecifier *NNS, 5531734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 5541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon = QualType()); 5557da2431c23ef1ee8acb114e39692246e1801afc2John McCall QualType getElaboratedType(QualType UnderlyingType, 5567da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedType::TagKind Tag); 557e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 558c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff QualType getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCProtocolDecl **Protocols = 0, 560c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff unsigned NumProtocols = 0); 561c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 562d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// getObjCObjectPointerType - Return a ObjCObjectPointerType type for the 563d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff /// given interface decl and the conforming protocol list. 564c02397509bb4057f3a7d6f5f4d764d122ed2381fSteve Naroff QualType getObjCObjectPointerType(QualType OIT, 565d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCProtocolDecl **ProtocolList = 0, 566d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff unsigned NumProtocols = 0); 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 568d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 56972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 570d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 572395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson /// getDecltypeType - C++0x decltype. 573395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson QualType getDecltypeType(Expr *e); 5741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 577e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump QualType getTagDeclType(const TagDecl *Decl); 5781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 582fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 5833a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 5843a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 5853a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 5863a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 58764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 58864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 58964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 59064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 59164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 59264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 59364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 59464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 5951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5968b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 5978b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 5988b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 600beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 601beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getCFConstantStringType(); 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 604319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the structure type used to representation CFStrings, or NULL 605319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// if it hasn't yet been built. 606319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawCFConstantStringType() { 607319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (CFConstantStringTypeDecl) 608319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(CFConstantStringTypeDecl); 609319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 610319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 611319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setCFConstantStringType(QualType T); 612319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 613983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 614a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getObjCConstantStringInterface() const { 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCConstantStringType; 6172198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 618b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 619bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 620bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 622319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the ObjCFastEnumerationState type, or NULL if it hasn't yet 623319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// been built. 624319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawObjCFastEnumerationStateType() { 625319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (ObjCFastEnumerationStateTypeDecl) 626319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 627319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 628319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 629319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 630319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCFastEnumerationStateType(QualType T); 631319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 632c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Set the type for the C FILE type. 633c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor void setFILEDecl(TypeDecl *FILEDecl) { this->FILEDecl = FILEDecl; } 6341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 635c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Retrieve the C FILE type. 6361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFILEType() { 6371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FILEDecl) 638c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return getTypeDeclType(FILEDecl); 639c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return QualType(); 640c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor } 641782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 642782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C jmp_buf type. 643fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setjmp_bufDecl(TypeDecl *jmp_bufDecl) { 644fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->jmp_bufDecl = jmp_bufDecl; 645fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 647782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C jmp_buf type. 6481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getjmp_bufType() { 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (jmp_bufDecl) 650782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(jmp_bufDecl); 651782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 652782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 653782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 654782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C sigjmp_buf type. 655fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setsigjmp_bufDecl(TypeDecl *sigjmp_bufDecl) { 656fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->sigjmp_bufDecl = sigjmp_bufDecl; 657fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 659782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C sigjmp_buf type. 6601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getsigjmp_bufType() { 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (sigjmp_bufDecl) 662782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(sigjmp_bufDecl); 663782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 664782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 6651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 666d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 667d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 668d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForType(QualType t, std::string &S, 670153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field=0); 671a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 672a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 674ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 6751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 676ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 678a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 67933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 680c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 6811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall /// getObjCEncodingForBlockDecl - Return the encoded type for this block 6835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall /// declaration. 6845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall void getObjCEncodingForBlock(const BlockExpr *Expr, std::string& S); 6855e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 686c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 687c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 688c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 689c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 6901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 691c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 692c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 6931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6940fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian bool ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 6950fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto); 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 697a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 69833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 699a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 700d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 701d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 702d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 703de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCIdType() const { return ObjCIdTypedefType; } 704319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCIdType(QualType T); 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 706319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCSelType(QualType T); 70713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian QualType getObjCSelType() const { return ObjCSelTypedefType; } 7081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 709a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 710a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 7111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 712d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 713d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 714d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 715de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCClassType() const { return ObjCClassTypedefType; } 716319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCClassType(QualType T); 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 718b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 719b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 720f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 721f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman QualType getFixedWidthIntType(unsigned Width, bool Signed); 722f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 7230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getCVRQualifiedType - Returns a type with additional const, 7240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// volatile, or restrict qualifiers. 7250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getCVRQualifiedType(QualType T, unsigned CVR) { 7260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(T, Qualifiers::fromCVRMask(CVR)); 7270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 7290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 7300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(QualType T, Qualifiers Qs) { 7310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 7320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qs.getFastQualifiers()); 7330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc(Qs); 7340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Qc.strip(T); 7350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(Ptr, Qc); 7360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 7380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 7390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(const Type *T, Qualifiers Qs) { 7400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 7410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(T, Qs.getFastQualifiers()); 7420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(T, Qs); 7430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 74580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall DeclarationName getNameForTemplate(TemplateName Name); 74680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 7470bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateName getOverloadedTemplateName(NamedDecl * const *Begin, 7480bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl * const *End); 7490bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, 7517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 7527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template); 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 7557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name); 756ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 757ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator); 7587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 75986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner enum GetBuiltinTypeError { 760782fa308a765aeac2acb39c4e697c937ec21185bMike Stump GE_None, //< No error 761f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_stdio, //< Missing a type from <stdio.h> 762f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_setjmp //< Missing a type from <setjmp.h> 76386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner }; 7641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner /// GetBuiltinType - Return the type for the specified builtin. 76686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType GetBuiltinType(unsigned ID, GetBuiltinTypeError &Error); 7671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 768d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 769e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getFromTargetType(unsigned Type) const; 770b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 771464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 772b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 773b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 7741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 775d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 7764fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 7774fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 7784fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 7790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttrKind(const QualType &Ty) const; 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 781fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 782fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 783fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 7841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 785b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 786464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 787464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 789b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 790b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 791b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 793464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 794464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 7951d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 7961d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 7971d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 7981d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 800464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 801464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 80298be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 80398be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 804464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 8051d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 8061d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 8071d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 8081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 809f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck /// getByteWidth - Return the size of a byte, in bits 810f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck uint64_t getByteSize() { 811f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck return getTypeSize(CharTy); 812f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck } 813f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck 814f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck /// getTypeSizeInBytes - Return the size of the specified type, in bytes. 815f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck /// This method does not work on incomplete types. 816f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck uint64_t getTypeSizeInBytes(QualType T) { 817f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck return getTypeSize(T) / getByteSize(); 818f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck } 819f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck uint64_t getTypeSizeInBytes(const Type *T) { 820f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck return getTypeSize(T) / getByteSize(); 821f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck } 822f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck 82334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 82434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 82598be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 82698be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 827464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 8281d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 8291d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 8301d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 8311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 83234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 83334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 83434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 83534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 83634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 8371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8385d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned getDeclAlignInBytes(const Decl *D, bool RefAsPointee = false); 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84088a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 841464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 842464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 84398be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 8441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 845b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCInterfaceLayout - Get or compute information about the 846b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// layout of the specified Objective-C interface. 84744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 848b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 849b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCImplementationLayout - Get or compute information about 850b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// the layout of the specified Objective-C implementation. This may 851b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// differ from the interface if synthesized ivars are present. 852b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout & 853b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar getASTObjCImplementationLayout(const ObjCImplementationDecl *D); 854b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 85588e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 8566ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor llvm::SmallVectorImpl<FieldDecl*> &Fields); 8578e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8588e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian void ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 8598e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars, 8608e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian bool CollectSynthesized = true); 8619820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectSynthesizedIvars(const ObjCInterfaceDecl *OI, 8629820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 8639820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian void CollectProtocolSynthesizedIvars(const ObjCProtocolDecl *PD, 8649820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 8658e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountSynthesizedIvars(const ObjCInterfaceDecl *OI); 8668e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD); 867e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian void CollectInheritedProtocols(const Decl *CDecl, 868e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl*> &Protocols); 869525c9b7baeeff022127cd1b167579f3bda73b3edDaniel Dunbar 870464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 871464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 872464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 8731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 87477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 87577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 87677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 87777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 87877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 87977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 88050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CanQualType getCanonicalType(QualType T); 8811d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 8821d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 8831d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 8842a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 88554e14c4db764c0636160d26c5bbf491637c83a76John McCall /// getCanonicalParamType - Return the canonical parameter type 88654e14c4db764c0636160d26c5bbf491637c83a76John McCall /// corresponding to the specific potentially non-canonical one. 88754e14c4db764c0636160d26c5bbf491637c83a76John McCall /// Qualifiers are stripped off, functions are turned into function 88854e14c4db764c0636160d26c5bbf491637c83a76John McCall /// pointers, and arrays decay one level into pointers. 88954e14c4db764c0636160d26c5bbf491637c83a76John McCall CanQualType getCanonicalParamType(QualType T); 89054e14c4db764c0636160d26c5bbf491637c83a76John McCall 8918e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 8928e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 8938e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 8948e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 8951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8968e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 8978e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 8988e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 899a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CanQualType CT1 = getCanonicalType(T1); 900a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CanQualType CT2 = getCanonicalType(T2); 901a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return CT1.getUnqualifiedType() == CT2.getUnqualifiedType(); 9028e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 9038e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieves the "canonical" declaration of 9057da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor 906d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieves the "canonical" nested name specifier for a 907d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// given nested name specifier. 908d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 909d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// The canonical nested name specifier is a nested name specifier 910d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// that uniquely identifies a type or namespace within the type 911d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// system. For example, given: 912d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 913d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \code 914d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// namespace N { 915d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// struct S { 916d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct X { typename T* type; }; 917d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 918d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// } 919d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 920d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct Y { 921d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// typename N::S::X<T>::type member; 922d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 923d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \endcode 924d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 925d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// Here, the nested-name-specifier for N::S::X<T>:: will be 926d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// S::X<template-param-0-0>, since 'S' and 'X' are uniquely defined 927d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// by declarations in the type system and the canonical type for 928d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// the template type parameter 'T' is template-param-0-0. 929d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier * 930d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS); 931d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 93225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// \brief Retrieves the "canonical" template name that refers to a 93325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// given template. 93425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 93525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// The canonical template name is the simplest expression that can 93625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// be used to refer to a given template. For most templates, this 93725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// expression is just the template declaration itself. For example, 93825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// the template std::vector can be referred to via a variety of 93925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// names---std::vector, ::std::vector, vector (if vector is in 94025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// scope), etc.---but all of these names map down to the same 94125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// TemplateDecl, which is used to form the canonical template name. 94225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 94325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// Dependent template names are more interesting. Here, the 94425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name could be something like T::template apply or 94525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// std::allocator<T>::template rebind, where the nested name 94625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// specifier itself is dependent. In this case, the canonical 94725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name uses the shortest form of the dependent 94825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// nested-name-specifier, which itself contains all canonical 94925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// types, values, and templates. 95025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor TemplateName getCanonicalTemplateName(TemplateName Name); 95125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 952db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor /// \brief Determine whether the given template names refer to the same 953db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor /// template. 954db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor bool hasSameTemplateName(TemplateName X, TemplateName Y); 955db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 9561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// \brief Retrieve the "canonical" template argument. 9571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// 9581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The canonical template argument is the simplest template argument 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// (which may be a type, value, expression, or declaration) that 9601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// expresses the value of the argument. 9611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument getCanonicalTemplateArgument(const TemplateArgument &Arg); 9621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 963c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 964c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 965c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 966c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 967c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 968c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 969c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 970c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 971c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 972c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 973c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 974c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 975c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 976c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 9776183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 978fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// getBaseElementType - Returns the innermost element type of an array type. 979fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// For example, will return "int" for int[m][n] 980fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType getBaseElementType(const ArrayType *VAT); 9815e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 9825e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// getBaseElementType - Returns the innermost element type of a type 9835e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// (which needn't actually be an array type). 9845e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QualType getBaseElementType(QualType QT); 9851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9860de78998e7bda473b408437053e48661b510d453Fariborz Jahanian /// getConstantArrayElementCount - Returns number of constant array elements. 9870de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t getConstantArrayElementCount(const ConstantArrayType *CA) const; 9881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 989e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 990e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 991e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 992e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 993e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 994e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 995e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 9961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 997a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// getPromotedIntegerType - Returns the type that Promotable will 998a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 999a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// integer type. 1000a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType getPromotedIntegerType(QualType PromotableType); 1001a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 100204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \brief Whether this is a promotable bitfield reference according 100304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 100404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// 100504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \returns the type this bit-field will promote to, or NULL if no 100604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// promotion occurs. 100704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType isPromotableBitField(Expr *E); 100804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 10091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getIntegerTypeOrder - Returns the highest ranked integer type: 10107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 10127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 10131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1014a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 1015a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 1016a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 10171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 1018a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 10211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// point or a complex type (based on typeDomain/typeSize). 1022716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 1023716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 10241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 1025f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 1026ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1027f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 1028f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 1029f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 1030f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1031f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 1032f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1033ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 1034ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 1035ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 10361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1037ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 1038ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1040a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 1041de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCIdTypedefType; 1042389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 1043a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 1044de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCClassTypedefType; 1045389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 1046a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 104713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return T == ObjCSelTypedefType; 10488baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 10494084c306635b70f37029dca938444e6013f08684Steve Naroff bool QualifiedIdConformsQualifiedId(QualType LHS, QualType RHS); 10504084c306635b70f37029dca938444e6013f08684Steve Naroff bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, 10514084c306635b70f37029dca938444e6013f08684Steve Naroff bool ForCompare); 10528baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 10533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 105414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 105514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *RHSOPT); 105614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 10573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 1058389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 1059db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian QualType areCommonBaseCompatible(const ObjCObjectPointerType *LHSOPT, 1060db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *RHSOPT); 1061db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 10623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 10633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 10643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 10653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 1066a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// UsualArithmeticConversionsType - handles the various conversions 1067a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// that are common to binary operators (C99 6.3.1.8, C++ [expr]p9) 1068a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// and returns the result type of that conversion. 1069a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType UsualArithmeticConversionsType(QualType lhs, QualType rhs); 1070a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 1071368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 1072ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 1073ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1074ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1075ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 1076ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 1077ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 1078ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1079ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 1080ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 1081ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 1082ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 1083ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1084ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1085e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 1086e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1088e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 1089e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1091e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 1092e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 1093e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 10941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const_type_iterator types_end() const { return Types.end(); } 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1096e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 10970cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 10980cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 10990cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 11000cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 11010cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 11020cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 11030cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 11040cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 11050cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 11060cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 11070cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 11088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 11098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *getObjCImplementation(ObjCInterfaceDecl *D); 11108a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 11118a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *getObjCImplementation(ObjCCategoryDecl *D); 11128a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11138a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCInterfaceDecl. 11148a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCInterfaceDecl *IFaceD, 11158a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD); 11168a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCCategoryDecl. 11178a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCCategoryDecl *CatD, 11188a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD); 11198a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 1120a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// \brief Allocate an uninitialized TypeSourceInfo. 1121b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1122a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// The caller should initialize the memory held by TypeSourceInfo using 1123b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// the TypeLoc wrappers. 1124b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1125b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// \param T the type that will be the basis for type source info. This type 1126b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// should refer to how the declarator was written in source code, not to 1127b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// what type semantic analysis resolved the declarator to. 1128109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// 1129109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// \param Size the size of the type info to create, or 0 if the size 1130109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// should be calculated based on the type. 1131a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *CreateTypeSourceInfo(QualType T, unsigned Size = 0); 1132b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1133a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// \brief Allocate a TypeSourceInfo where all locations have been 1134a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall /// initialized to a given location, which defaults to the empty 1135a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall /// location. 1136a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo * 1137a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall getTrivialTypeSourceInfo(QualType T, SourceLocation Loc = SourceLocation()); 1138a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 11395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 1144e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall void InitBuiltinType(CanQualType &R, BuiltinType::Kind K); 11451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 114682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 11471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeImpl(QualType t, std::string &S, 114882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 114982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 1150153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field, 1151090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 11526ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty = false); 1153b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1154b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout &getObjCLayout(const ObjCInterfaceDecl *D, 11551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCImplementationDecl *Impl); 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1157d5925bdff8bda8e062985caea299946636104d99Ted Kremenek 1158d5925bdff8bda8e062985caea299946636104d99Ted Kremenek/// @brief Utility function for constructing a nullary selector. 1159d5925bdff8bda8e062985caea299946636104d99Ted Kremenekstatic inline Selector GetNullarySelector(const char* name, ASTContext& Ctx) { 1160d5925bdff8bda8e062985caea299946636104d99Ted Kremenek IdentifierInfo* II = &Ctx.Idents.get(name); 1161d5925bdff8bda8e062985caea299946636104d99Ted Kremenek return Ctx.Selectors.getSelector(0, &II); 1162d5925bdff8bda8e062985caea299946636104d99Ted Kremenek} 1163d5925bdff8bda8e062985caea299946636104d99Ted Kremenek 1164d5925bdff8bda8e062985caea299946636104d99Ted Kremenek/// @brief Utility function for constructing an unary selector. 1165d5925bdff8bda8e062985caea299946636104d99Ted Kremenekstatic inline Selector GetUnarySelector(const char* name, ASTContext& Ctx) { 1166d5925bdff8bda8e062985caea299946636104d99Ted Kremenek IdentifierInfo* II = &Ctx.Idents.get(name); 1167d5925bdff8bda8e062985caea299946636104d99Ted Kremenek return Ctx.Selectors.getSelector(1, &II); 1168d5925bdff8bda8e062985caea299946636104d99Ted Kremenek} 1169e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1172e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 1173e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 1174e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 1175e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1176e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 1177e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 1178e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 1179e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 1180e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 1181e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 1182e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 1183e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 1184e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 1185e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 1186e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 1187e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 1188e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 11894398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 1190e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1191e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 1192e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 119342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 119442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 1195e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 1196e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 11979f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor size_t Alignment) throw () { 1198c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 1199e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1200e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 1201e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1202e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 1203e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 1204e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 1205e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 1206fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattnerinline void operator delete(void *Ptr, clang::ASTContext &C, size_t) 1207e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 1208c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 1209e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1210e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 121142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 121242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 121342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 121442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 121542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 121642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Default alignment (16) 121742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 121842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 121942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context, 8) char[10]; 122042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 122142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 122242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 12234398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 122442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 122542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 122642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 122742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 122842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 122942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 123042542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 123142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek size_t Alignment = 16) throw () { 123242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 123342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 123442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 123542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 123642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 123742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 123842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 123942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 124042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 124142542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void operator delete[](void *Ptr, clang::ASTContext &C) throw () { 124242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 124342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 124442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 12455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1246