ASTContext.h revision 006113841bdae1edb77aef75ba1ffdf2e55a3094
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" 20fe6b2d481d91140923f4541f273b253291884214Douglas Gregor#include "clang/Basic/PartialDiagnostic.h" 219f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor#include "clang/AST/Attr.h" 22ad75653f81dece1c806e9c28dd7e7582c9929a27Ted Kremenek#include "clang/AST/Decl.h" 23ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 24d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 26464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 2750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "clang/AST/CanonicalType.h" 28046861b912ed72bdc364d7905180ee63e5b08870Anders Carlsson#include "clang/AST/UsuallyTinyPtrVector.h" 29464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 3068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 312cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "llvm/ADT/OwningPtr.h" 32432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian#include "llvm/ADT/SmallPtrSet.h" 336c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 37b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 38bf9e48cbaaa23d990dbedf9489513500bd0b9751Daniel Dunbar class raw_ostream; 39b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 40b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 42a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner class FileManager; 43e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall class BlockExpr; 45bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck class CharUnits; 46aea67dbd653a2dd6dd5cc2159279e81e855b2482Douglas Gregor class Diagnostic; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 482cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor class ExternalASTSource; 49c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 50e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 51e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 52d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 53e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 543478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek class DeclContext; 55f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson class CXXMethodDecl; 56f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson class CXXRecordDecl; 57e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 580d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class FieldDecl; 590d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class ObjCIvarDecl; 600d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class ObjCIvarRefExpr; 61c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 62e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 630c01d18094100db92d38daa923c95661512db203John McCall class StoredDeclsMap; 64e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor class TemplateTemplateParmDecl; 660d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class TemplateTypeParmDecl; 67e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 68e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 69e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 700d8df780aef1acda5962347a32591efc629b6748Anders Carlsson class UsingDecl; 71ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UsingShadowDecl; 72eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall class UnresolvedSetIterator; 731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 741b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner namespace Builtin { class Context; } 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass ASTContext { 79ef99001908e799c388f1363b1e607dad5f5b57d3John McCall ASTContext &this_() { return *this; } 80ef99001908e799c388f1363b1e607dad5f5b57d3John McCall 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSet<ExtQuals> ExtQualNodes; 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 855618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<LValueReferenceType> LValueReferenceTypes; 877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSet<RValueReferenceType> RValueReferenceTypes; 88f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 897192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 90c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 91c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 9204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor llvm::FoldingSet<DependentSizedArrayType> DependentSizedArrayTypes; 932ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSet<DependentSizedExtVectorType> DependentSizedExtVectorTypes; 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 9572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionNoProtoType> FunctionNoProtoTypes; 9672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor llvm::FoldingSet<FunctionProtoType> FunctionProtoTypes; 97b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSet<DependentTypeOfExprType> DependentTypeOfExprTypes; 989d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSet<DependentDecltypeType> DependentDecltypeTypes; 99fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSet<TemplateTypeParmType> TemplateTypeParmTypes; 10049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSet<SubstTemplateTypeParmType> SubstTemplateTypeParmTypes; 101ef99001908e799c388f1363b1e607dad5f5b57d3John McCall llvm::ContextualFoldingSet<TemplateSpecializationType, ASTContext&> 102ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes; 103465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara llvm::FoldingSet<ElaboratedType> ElaboratedTypes; 1044714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor llvm::FoldingSet<DependentNameType> DependentNameTypes; 105ef99001908e799c388f1363b1e607dad5f5b57d3John McCall llvm::ContextualFoldingSet<DependentTemplateSpecializationType, ASTContext&> 10633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes; 107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSet<ObjCObjectTypeImpl> ObjCObjectTypes; 108d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSet<ObjCObjectPointerType> ObjCObjectPointerTypes; 1091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<QualifiedTemplateName> QualifiedTemplateNames; 1117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSet<DependentTemplateName> DependentTemplateNames; 1127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 113ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The set of nested name specifiers. 114ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// 115ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// This set is managed by the NestedNameSpecifier class. 116ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor llvm::FoldingSet<NestedNameSpecifier> NestedNameSpecifiers; 117ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *GlobalNestedNameSpecifier; 118ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor friend class NestedNameSpecifier; 119ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 12088a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 121a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 12288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 123b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar llvm::DenseMap<const ObjCContainerDecl*, const ASTRecordLayout*> ObjCLayouts; 124f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 125f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// KeyFunctions - A cache mapping from CXXRecordDecls to key functions. 126f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson llvm::DenseMap<const CXXRecordDecl*, const CXXMethodDecl*> KeyFunctions; 127f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 1288a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Mapping from ObjCContainers to their ObjCImplementations. 1298a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*> ObjCImpls; 1308a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 1313e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor /// \brief Representation of a "canonical" template template parameter that 1323e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor /// is used in canonical template names. 1333e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor class CanonicalTemplateTemplateParm : public llvm::FoldingSetNode { 1343e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm; 1353e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1363e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor public: 1373e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm(TemplateTemplateParmDecl *Parm) 1383e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor : Parm(Parm) { } 1393e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1403e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *getParam() const { return Parm; } 1413e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1423e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { Profile(ID, Parm); } 1433e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1443e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, 1453e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm); 1463e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor }; 1473e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSet<CanonicalTemplateTemplateParm> CanonTemplateTemplateParms; 1483e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1493e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *getCanonicalTemplateTemplateParmDecl( 1503e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP); 151006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis 152006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis /// \brief Whether __[u]int128_t identifier is installed. 153006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis bool IsInt128Installed; 154006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis 155b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 156b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 157b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 158b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 159d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1606083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 161de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCIdTypedefType; 1621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1636083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 16413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian QualType ObjCSelTypedefType; 1651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1666083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 167a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 168390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1698baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1706083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 171de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCClassTypedefType; 1721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 173a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1742198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1757a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 1762bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian RecordDecl *NSConstantStringTypeDecl; 1772bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 178bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 180c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief The type for the C FILE type. 181c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor TypeDecl *FILEDecl; 1821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1838fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C jmp_buf type. 184782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *jmp_bufDecl; 1851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1868fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C sigjmp_buf type. 187782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *sigjmp_bufDecl; 1881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 190adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *BlockDescriptorType; 191adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 192083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 193083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *BlockDescriptorExtendedType; 194083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 195bf1a028246d884a540aeafa38e89be59a269b072John McCall TypeSourceInfo NullTypeSourceInfo; 196bf1a028246d884a540aeafa38e89be59a269b072John McCall 1971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Keeps track of all declaration attributes. 19868584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// 19968584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// Since so few decls have attrs, we keep them in a hash map instead of 20068584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// wasting space in the Decl class. 20168584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor llvm::DenseMap<const Decl*, Attr*> DeclAttrs; 2022455636163fdd18581d7fdae816433f886d88213Mike Stump 2037caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Keeps track of the static data member templates from which 2047caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static data members of class template specializations were instantiated. 2057caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2067caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// This data structure stores the mapping from instantiations of static 2077caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// data members to the static data member representations within the 208251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template from which they were instantiated along with the kind 209251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// of instantiation or specialization (a TemplateSpecializationKind - 1). 2107caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2117caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// Given the following example: 2127caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \code 2147caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 2157caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// struct X { 2167caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static T value; 2177caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// }; 2187caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 2207caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// T X<T>::value = T(17); 2217caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2227caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// int *x = &X<int>::value; 2237caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \endcode 2247caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// This mapping will contain an entry that maps from the VarDecl for 2267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// X<int>::value to the corresponding VarDecl for X<T>::value (within the 227251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template X) and will be marked TSK_ImplicitInstantiation. 228663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *> 229251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember; 2301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 231ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief Keeps track of the declaration from which a UsingDecl was 232ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// created during instantiation. The source declaration is always 233ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// a UsingDecl, an UnresolvedUsingValueDecl, or an 234ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// UnresolvedUsingTypenameDecl. 2350d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2360d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// For example: 2370d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \code 2380d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 2390d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct A { 2400d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// void f(); 2410d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 2420d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2430d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 2440d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct B : A<T> { 2450d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// using A<T>::f; 2460d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 2470d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2480d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template struct B<int>; 2490d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \endcode 2500d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2510d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// This mapping will contain an entry that maps from the UsingDecl in 2520d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// B<int> to the UnresolvedUsingDecl in B<T>. 253ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingDecl *, NamedDecl *> InstantiatedFromUsingDecl; 254ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 255ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*> 256ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl; 2571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 258d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *> InstantiatedFromUnnamedFieldDecl; 2591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// \brief Mapping that stores the methods overridden by a given C++ 2617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// member function. 2627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// 2637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// Since most C++ member functions aren't virtual and therefore 2647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// don't override anything, we store the overridden functions in 2657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// this map on the side rather than within the CXXMethodDecl structure. 266046861b912ed72bdc364d7905180ee63e5b08870Anders Carlsson typedef UsuallyTinyPtrVector<const CXXMethodDecl> CXXMethodVector; 2677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector> OverriddenMethods; 2687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 269ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 270ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 271e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 272b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 2731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 274e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 275e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 276e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 277e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 278c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 279c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 280c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 281c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 2821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 283fe6b2d481d91140923f4541f273b253291884214Douglas Gregor /// \brief Allocator for partial diagnostics. 284fe6b2d481d91140923f4541f273b253291884214Douglas Gregor PartialDiagnostic::StorageAllocator DiagAllocator; 285fe6b2d481d91140923f4541f273b253291884214Douglas Gregor 2861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 287444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &Target; 28871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 28929238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 2901b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &BuiltinInfo; 2912e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 2922cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor llvm::OwningPtr<ExternalASTSource> ExternalSource; 293d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor clang::PrintingPolicy PrintingPolicy; 2942e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2950f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // Typedefs which may be provided defining the structure of Objective-C 2960f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // pseudo-builtins 2970f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCIdRedefinitionType; 2980f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCClassRedefinitionType; 299369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian QualType ObjCSelRedefinitionType; 3000f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall 3017a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 302a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner const SourceManager& getSourceManager() const { return SourceMgr; } 303c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 304c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 305c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 306c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Deallocate(void *Ptr) { 308c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MallocAlloc.Deallocate(Ptr); 310c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 311fe6b2d481d91140923f4541f273b253291884214Douglas Gregor 312fe6b2d481d91140923f4541f273b253291884214Douglas Gregor PartialDiagnostic::StorageAllocator &getDiagAllocator() { 313fe6b2d481d91140923f4541f273b253291884214Douglas Gregor return DiagAllocator; 314fe6b2d481d91140923f4541f273b253291884214Douglas Gregor } 315fe6b2d481d91140923f4541f273b253291884214Douglas Gregor 316e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 3171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FullSourceLoc getFullLoc(SourceLocation Loc) const { 3199c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 3209c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 321ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 32268584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Retrieve the attributes for the given declaration. 32368584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor Attr*& getDeclAttrs(const Decl *D) { return DeclAttrs[D]; } 3241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32568584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Erase the attributes corresponding to the given declaration. 32668584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor void eraseDeclAttrs(const Decl *D) { DeclAttrs.erase(D); } 3272455636163fdd18581d7fdae816433f886d88213Mike Stump 3287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief If this variable is an instantiated static data member of a 3291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// class template specialization, returns the templated static data member 3307caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// from which it was instantiated. 331663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor MemberSpecializationInfo *getInstantiatedFromStaticDataMember( 332663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor const VarDecl *Var); 3331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3347caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Note that the static data member \p Inst is an instantiation of 3357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// the static data member template \p Tmpl of a class template. 336251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor void setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 3379421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 3389421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation = SourceLocation()); 3391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 340ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief If the given using decl is an instantiation of a 341ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// (possibly unresolved) using decl from a template instantiation, 342d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson /// return it. 343ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NamedDecl *getInstantiatedFromUsingDecl(UsingDecl *Inst); 344d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 345ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief Remember that the using decl \p Inst is an instantiation 346ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// of the using decl \p Pattern of a class template. 347ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern); 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 349ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 350ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern); 351ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst); 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 353d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field); 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 355d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson void setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, FieldDecl *Tmpl); 3561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Access to the set of methods overridden by the given C++ method. 3587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor typedef CXXMethodVector::iterator overridden_cxx_method_iterator; 3597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor overridden_cxx_method_iterator 3607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor overridden_methods_begin(const CXXMethodDecl *Method) const; 3617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor overridden_cxx_method_iterator 3637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor overridden_methods_end(const CXXMethodDecl *Method) const; 3647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// \brief Note that the given C++ \p Method overrides the given \p 3667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// Overridden method. 3677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor void addOverriddenMethod(const CXXMethodDecl *Method, 3687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden); 3697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 370ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 371ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 3721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 374e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType VoidTy; 375e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType BoolTy; 376e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType CharTy; 377e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 378e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType Char16Ty; // [C++0x 3.9.1p5], integer type in C99. 379e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType Char32Ty; // [C++0x 3.9.1p5], integer type in C99. 380e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy, Int128Ty; 381e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 382e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UnsignedLongLongTy, UnsignedInt128Ty; 383e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType FloatTy, DoubleTy, LongDoubleTy; 384e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 385e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType VoidPtrTy, NullPtrTy; 386e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType OverloadTy; 387e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType DependentTy; 388e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UndeducedAutoTy; 38913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian CanQualType ObjCBuiltinIdTy, ObjCBuiltinClassTy, ObjCBuiltinSelTy; 3908e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 391444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar ASTContext(const LangOptions& LOpts, SourceManager &SM, const TargetInfo &t, 3921b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner IdentifierTable &idents, SelectorTable &sels, 3931b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 3941b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner bool FreeMemory = true, unsigned size_reserve=0); 395fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 3976ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor 3982cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Attach an external AST source to the AST context. 3992cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// 4002cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// The external AST source provides the ability to load parts of 4012cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// the abstract syntax tree as needed from some external storage, 4022cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// e.g., a precompiled header. 4032cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor void setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source); 4042cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 4052cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Retrieve a pointer to the external AST source associated 4062cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// with this AST context, if any. 4072cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalASTSource *getExternalSource() const { return ExternalSource.get(); } 4082cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 41003ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 411d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 412464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 413464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 414464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4160953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 4170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getExtQualType - Return a type with extended qualifiers. 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getExtQualType(const Type *Base, Qualifiers Quals); 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 420becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall QualType getTypeDeclTypeSlow(const TypeDecl *Decl); 421becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getAddSpaceQualType - Return the uniqued reference to the type for an 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// address space qualified type with the specified type and address space. 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The resulting type has a union of the qualifiers from T and the address 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// space. If T already has an address space specifier, it is silently 427f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 428f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 430d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 431d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 432d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getObjCGCQualType(QualType T, Qualifiers::GC gcAttr); 4340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getRestrictType - Returns the uniqued reference to the type for a 4360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'restrict' qualified type. The resulting type has a union of the 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'restrict'. 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getRestrictType(QualType T) { 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qualifiers::Restrict); 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getVolatileType - Returns the uniqued reference to the type for a 4430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'volatile' qualified type. The resulting type has a union of the 4440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'volatile'. 4450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getVolatileType(QualType T); 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getConstType - Returns the uniqued reference to the type for a 4480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'const' qualified type. The resulting type has a union of the 4490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'const'. 4500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// It can be reasonably expected that this will always be 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// equivalent to calling T.withConst(). 4530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getConstType(QualType T) { return T.withConst(); } 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor /// getNoReturnType - Add or remove the noreturn attribute to the given type 45643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor /// which must be a FunctionType or a pointer to an allowable type or a 45743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor /// BlockPointer. 45843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType getNoReturnType(QualType T, bool AddNoReturn = true); 4591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 460ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// getCallConvType - Adds the specified calling convention attribute to 461ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// the given type, which must be a FunctionType or a pointer to an 462ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// allowable type. 463ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor QualType getCallConvType(QualType T, CallingConv CallConv); 464ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 465425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola /// getRegParmType - Sets the specified regparm attribute to 466425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola /// the given type, which must be a FunctionType or a pointer to an 467425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola /// allowable type. 468425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola QualType getRegParmType(QualType T, unsigned RegParm); 469425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 473e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getComplexType(CanQualType T) { 474e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType::CreateUnsafe(getComplexType((QualType) T)); 475e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall } 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 480e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getPointerType(CanQualType T) { 481e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType::CreateUnsafe(getPointerType((QualType) T)); 482e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall } 4835618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 4845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 4855618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 4865618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 487f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 488adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of the descriptor for pointer to 489adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// blocks. 490adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getBlockDescriptorType(); 491adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 492adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // Set the type for a Block descriptor type. 493adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump void setBlockDescriptorType(QualType T); 494adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// Get the BlockDescriptorType type, or NULL if it hasn't yet been built. 495adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getRawBlockdescriptorType() { 496adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 497adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 498adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return QualType(); 499adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 500adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 501083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// This gets the struct used to keep track of the extended descriptor for 502083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// pointer to blocks. 503083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockDescriptorExtendedType(); 504083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 505083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // Set the type for a Block descriptor extended type. 506083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump void setBlockDescriptorExtendedType(QualType T); 507083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// Get the BlockDescriptorExtendedType type, or NULL if it hasn't yet been 508083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// built. 509083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getRawBlockdescriptorExtendedType() { 510083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 511083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 512083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return QualType(); 513083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 514083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 515adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of pointer to blocks, complete 516adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// with captured variables. 517083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockParmType(bool BlockHasCopyDispose, 518ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout); 519adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 520ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /// This builds the struct used for __block variables. 521af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType BuildByRefType(const char *DeclName, QualType Ty); 522af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 523af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /// Returns true iff we need copy/dispose helpers for the given type. 524af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool BlockRequiresCopying(QualType Ty); 525adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 5267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 5277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 52854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getLValueReferenceType(QualType T, bool SpelledAsLValue = true); 5297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 5307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 5317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 5327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 533f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 534f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 535f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 536f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 537f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 538f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 539bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 540bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 541c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 542c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 5437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 5447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 5451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 546898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 547898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 548898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 549898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 550898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 551fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 5527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 5537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 554fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 555c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 556c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 557c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 558c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 559c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 560c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 561bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 562bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 563c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 564c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 565c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 5667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 56773322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 56873322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 56982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson QualType getVectorType(QualType VectorType, unsigned NumElts, 570788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::AltiVecSpecific AltiVecSpec); 57173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 572213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 573213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 574213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 575213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5779cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// getDependentSizedExtVectorType - Returns a non-unique reference to 5789cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// the type for a dependently-sized vector of the specified element 5799cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 5809cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// comparable, at some point. 5811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getDependentSizedExtVectorType(QualType VectorType, 5829cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 5839cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc); 5849cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 58572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 587264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola QualType getFunctionNoProtoType(QualType ResultTy, 588264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info); 589264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 5906a6aa53ec6c89ae0881309b0a0dd84b6868b576bRafael Espindola QualType getFunctionNoProtoType(QualType ResultTy) { 591264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(ResultTy, FunctionType::ExtInfo()); 5926a6aa53ec6c89ae0881309b0a0dd84b6868b576bRafael Espindola } 593465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 59686da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 597971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 598ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor unsigned TypeQuals, bool hasExceptionSpec, 599ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor bool hasAnyExceptionSpec, 600ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor unsigned NumExs, const QualType *ExArray, 601264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info); 6022ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 6032ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 6042ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 605becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall QualType getTypeDeclType(const TypeDecl *Decl, 606becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall const TypeDecl *PrevDecl = 0) { 607becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(Decl && "Passed null for Decl param"); 608becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 609becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 610becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall if (PrevDecl) { 611becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(PrevDecl->TypeForDecl && "previous decl has no TypeForDecl"); 612becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 613becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall return QualType(PrevDecl->TypeForDecl, 0); 614becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall } 615becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 616becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall return getTypeDeclTypeSlow(Decl); 617becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall } 6182ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 6219763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType getTypedefType(const TypedefDecl *Decl, QualType Canon = QualType()); 622fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 6233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType getInjectedClassNameType(CXXRecordDecl *Decl, QualType TST); 6243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 62549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getSubstTemplateTypeParmType(const TemplateTypeParmType *Replaced, 62649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement); 62749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 62976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 630efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name = 0); 631fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 6327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType getTemplateSpecializationType(TemplateName T, 6337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 6347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 63571d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon = QualType()); 636833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 6379763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType getCanonicalTemplateSpecializationType(TemplateName T, 6389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 6399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis unsigned NumArgs); 6409763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 641833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall QualType getTemplateSpecializationType(TemplateName T, 642d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 64371d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon = QualType()); 64455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 6453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo * 6463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall getTemplateSpecializationTypeInfo(TemplateName T, SourceLocation TLoc, 6473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 6483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType Canon = QualType()); 6493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 650465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType getElaboratedType(ElaboratedTypeKeyword Keyword, 651465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 652465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType); 6534a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType getDependentNameType(ElaboratedTypeKeyword Keyword, 6544a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 6554a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 6564a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon = QualType()); 65733500955d731c73717af52088b7fc0e7a85681e7John McCall 65833500955d731c73717af52088b7fc0e7a85681e7John McCall QualType getDependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 65933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 66033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 66133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgumentListInfo &Args); 66233500955d731c73717af52088b7fc0e7a85681e7John McCall QualType getDependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 66333500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 66433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 66533500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 66633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 667e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 668c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getObjCInterfaceType(const ObjCInterfaceDecl *Decl); 669c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 670c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getObjCObjectType(QualType Base, 671c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 672c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 673c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 674c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// getObjCObjectPointerType - Return a ObjCObjectPointerType type 675c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// for the given ObjCObjectType. 676c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getObjCObjectPointerType(QualType OIT); 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 678d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 67972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 680d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 6811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 682395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson /// getDecltypeType - C++0x decltype. 683395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson QualType getDecltypeType(Expr *e); 6841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 687e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump QualType getTagDeclType(const TagDecl *Decl); 6881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 691a3ccda58913cc1a4b8564e349448b12acc462da7Anders Carlsson CanQualType getSizeType() const; 692fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 6933a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 6943a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 6953a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 6963a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 69764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 69864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 69964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 70064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 70164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 70264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 70364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 70464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7068b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 7078b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 7088b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 710beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 711beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getCFConstantStringType(); 7131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7142bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // getNSConstantStringType - Return the C structure type used to represent 7152bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // constant NSStrings. 7162bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType getNSConstantStringType(); 7172bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /// Get the structure type used to representation NSStrings, or NULL 7182bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /// if it hasn't yet been built. 7192bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType getRawNSConstantStringType() { 7202bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (NSConstantStringTypeDecl) 7212bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 7222bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return QualType(); 7232bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 7242bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian void setNSConstantStringType(QualType T); 7252bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 7262bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 727319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the structure type used to representation CFStrings, or NULL 728319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// if it hasn't yet been built. 729319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawCFConstantStringType() { 730319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (CFConstantStringTypeDecl) 731319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(CFConstantStringTypeDecl); 732319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 733319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 734319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setCFConstantStringType(QualType T); 735319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 736983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 737a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 7381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getObjCConstantStringInterface() const { 7391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCConstantStringType; 7402198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 741b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 742bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 743bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 7441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 745319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the ObjCFastEnumerationState type, or NULL if it hasn't yet 746319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// been built. 747319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawObjCFastEnumerationStateType() { 748319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (ObjCFastEnumerationStateTypeDecl) 749319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 750319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 751319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 752319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 753319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCFastEnumerationStateType(QualType T); 754319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 755c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Set the type for the C FILE type. 756c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor void setFILEDecl(TypeDecl *FILEDecl) { this->FILEDecl = FILEDecl; } 7571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 758c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Retrieve the C FILE type. 7591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFILEType() { 7601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FILEDecl) 761c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return getTypeDeclType(FILEDecl); 762c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return QualType(); 763c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor } 764782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 765782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C jmp_buf type. 766fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setjmp_bufDecl(TypeDecl *jmp_bufDecl) { 767fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->jmp_bufDecl = jmp_bufDecl; 768fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 7691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 770782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C jmp_buf type. 7711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getjmp_bufType() { 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (jmp_bufDecl) 773782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(jmp_bufDecl); 774782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 775782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 776782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 777782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C sigjmp_buf type. 778fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setsigjmp_bufDecl(TypeDecl *sigjmp_bufDecl) { 779fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->sigjmp_bufDecl = sigjmp_bufDecl; 780fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 7811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 782782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C sigjmp_buf type. 7831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getsigjmp_bufType() { 7841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (sigjmp_bufDecl) 785782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(sigjmp_bufDecl); 786782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 787782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 789d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 790d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 791d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForType(QualType t, std::string &S, 793153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field=0); 794a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 795a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 797ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 7981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 799ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 8001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 801a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 80233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 803c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall /// getObjCEncodingForBlockDecl - Return the encoded type for this block 8065e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall /// declaration. 8075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall void getObjCEncodingForBlock(const BlockExpr *Expr, std::string& S); 8085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 809c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 810c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 811c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 812c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 8131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 814c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 815c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8170fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian bool ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 8180fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto); 8191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 820a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 821aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck /// purpose in characters. 822aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits getObjCEncodingTypeSize(QualType t); 823d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 824006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis /// \brief Whether __[u]int128_t identifier is installed. 825006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis bool isInt128Installed() const { return IsInt128Installed; } 826006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis void setInt128Installed() { IsInt128Installed = true; } 827006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis 828d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 829d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 830de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCIdType() const { return ObjCIdTypedefType; } 831319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCIdType(QualType T); 8321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 833319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCSelType(QualType T); 83413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian QualType getObjCSelType() const { return ObjCSelTypedefType; } 8351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 836a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 837a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 839d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 840d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 841d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 842de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCClassType() const { return ObjCClassTypedefType; } 843319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCClassType(QualType T); 8441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 845b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 846b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 847f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 8480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getCVRQualifiedType - Returns a type with additional const, 8490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// volatile, or restrict qualifiers. 8500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getCVRQualifiedType(QualType T, unsigned CVR) { 8510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(T, Qualifiers::fromCVRMask(CVR)); 8520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 8530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 8540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 8550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(QualType T, Qualifiers Qs) { 8560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 8570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qs.getFastQualifiers()); 8580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc(Qs); 8590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Qc.strip(T); 8600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(Ptr, Qc); 8610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 8620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 8630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 8640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(const Type *T, Qualifiers Qs) { 8650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 8660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(T, Qs.getFastQualifiers()); 8670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(T, Qs); 8680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 8690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 87080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall DeclarationName getNameForTemplate(TemplateName Name); 87180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 872eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall TemplateName getOverloadedTemplateName(UnresolvedSetIterator Begin, 873eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End); 8740bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, 8767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 8777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template); 8781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 8807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name); 881ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 882ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator); 8837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 88486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner enum GetBuiltinTypeError { 885782fa308a765aeac2acb39c4e697c937ec21185bMike Stump GE_None, //< No error 886f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_stdio, //< Missing a type from <stdio.h> 887f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_setjmp //< Missing a type from <setjmp.h> 88886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner }; 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner /// GetBuiltinType - Return the type for the specified builtin. 89186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType GetBuiltinType(unsigned ID, GetBuiltinTypeError &Error); 8921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 893d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 894e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getFromTargetType(unsigned Type) const; 895b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 896464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 897b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 898b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 8991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 900d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 9014fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 9024fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 9034fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 9040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttrKind(const QualType &Ty) const; 9051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 906fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 907fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 908fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 910b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 911464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 912464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 9131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 914b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 915b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 916b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 918464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 919464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 9201d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 9211d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 9221d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 9231d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 925464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 926464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 92798be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 92898be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 929464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 9301d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 9311d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 9321d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 934cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck /// getCharWidth - Return the size of the character type, in bits 935cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck uint64_t getCharWidth() { 936f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck return getTypeSize(CharTy); 937f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck } 938f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck 939cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck /// getTypeSizeInChars - Return the size of the specified type, in characters. 940f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck /// This method does not work on incomplete types. 941bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck CharUnits getTypeSizeInChars(QualType T); 942bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck CharUnits getTypeSizeInChars(const Type *T); 943f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck 94434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 94534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 94698be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 94798be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 948464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 9491d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 9501d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 9511d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 9521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 95316e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck /// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 95486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck /// characters. This method does not work on incomplete types. 95586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck CharUnits getTypeAlignInChars(QualType T); 95686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck CharUnits getTypeAlignInChars(const Type *T); 95786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 958ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<CharUnits, CharUnits> getTypeInfoInChars(const Type *T); 959ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<CharUnits, CharUnits> getTypeInfoInChars(QualType T); 960ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 96134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 96234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 96334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 96434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 96534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9678b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// getDeclAlign - Return a conservative estimate of the alignment of 9688b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// the specified decl. Note that bitfields do not have a valid alignment, so 9698b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// this method will assert on them. 9708b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// If @p RefAsPointee, references are treated like their underlying type 9718b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// (for alignof), else they're treated like pointers (for CodeGen). 9728b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck CharUnits getDeclAlign(const Decl *D, bool RefAsPointee = false); 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 97488a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 975464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 976464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 97798be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 979b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCInterfaceLayout - Get or compute information about the 980b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// layout of the specified Objective-C interface. 98144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 982b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 983bf9e48cbaaa23d990dbedf9489513500bd0b9751Daniel Dunbar void DumpRecordLayout(const RecordDecl *RD, llvm::raw_ostream &OS); 984bf9e48cbaaa23d990dbedf9489513500bd0b9751Daniel Dunbar 985b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCImplementationLayout - Get or compute information about 986b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// the layout of the specified Objective-C implementation. This may 987b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// differ from the interface if synthesized ivars are present. 988b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout & 989b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar getASTObjCImplementationLayout(const ObjCImplementationDecl *D); 990b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 991fe8ec01bba74f6841576a2ee93d2c62cdfa4eff2Jeffrey Yasskin /// getKeyFunction - Get the key function for the given record decl, or NULL 992fe8ec01bba74f6841576a2ee93d2c62cdfa4eff2Jeffrey Yasskin /// if there isn't one. The key function is, according to the Itanium C++ ABI 993fe8ec01bba74f6841576a2ee93d2c62cdfa4eff2Jeffrey Yasskin /// section 5.2.3: 994f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// 995f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// ...the first non-pure virtual function that is not inline at the point 996f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// of class definition. 997f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson const CXXMethodDecl *getKeyFunction(const CXXRecordDecl *RD); 998f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 99988e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 10006ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor llvm::SmallVectorImpl<FieldDecl*> &Fields); 10018e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 10028e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian void ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 100311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 100411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian void CollectNonClassIvars(const ObjCInterfaceDecl *OI, 10059820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 10063bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned CountNonClassIvars(const ObjCInterfaceDecl *OI); 1007e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian void CollectInheritedProtocols(const Decl *CDecl, 1008432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols); 1009525c9b7baeeff022127cd1b167579f3bda73b3edDaniel Dunbar 1010464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 1011464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 1012464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 10131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 101477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 101577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 101677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 101777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 101877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 101977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 102050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CanQualType getCanonicalType(QualType T); 10211d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 10221d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 10231d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 10242a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 102554e14c4db764c0636160d26c5bbf491637c83a76John McCall /// getCanonicalParamType - Return the canonical parameter type 102654e14c4db764c0636160d26c5bbf491637c83a76John McCall /// corresponding to the specific potentially non-canonical one. 102754e14c4db764c0636160d26c5bbf491637c83a76John McCall /// Qualifiers are stripped off, functions are turned into function 102854e14c4db764c0636160d26c5bbf491637c83a76John McCall /// pointers, and arrays decay one level into pointers. 102954e14c4db764c0636160d26c5bbf491637c83a76John McCall CanQualType getCanonicalParamType(QualType T); 103054e14c4db764c0636160d26c5bbf491637c83a76John McCall 10318e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 10328e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 10338e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 10348e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 10351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10365535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// \brief Returns this type as a completely-unqualified array type, 10375535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// capturing the qualifiers in Quals. This will remove the minimal amount of 10385535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// sugaring from the types, similar to the behavior of 10395535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// QualType::getUnqualifiedType(). 104028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// 10415535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// \param T is the qualified type, which may be an ArrayType 104228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// 104328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// \param Quals will receive the full set of qualifiers that were 10445535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// applied to the array. 104528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// 104628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// \returns if this is an array type, the completely unqualified array type 10475535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// that corresponds to it. Otherwise, returns T.getUnqualifiedType(). 104828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType getUnqualifiedArrayType(QualType T, Qualifiers &Quals); 104928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 10508e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 10518e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 10528e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 1053a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CanQualType CT1 = getCanonicalType(T1); 1054a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CanQualType CT2 = getCanonicalType(T2); 105528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 105628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers Quals; 105728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType UnqualT1 = getUnqualifiedArrayType(CT1, Quals); 105828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType UnqualT2 = getUnqualifiedArrayType(CT2, Quals); 105928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return UnqualT1 == UnqualT2; 10608e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 10618e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 10625a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor bool UnwrapSimilarPointerTypes(QualType &T1, QualType &T2); 10635a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieves the "canonical" declaration of 10657da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor 1066d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieves the "canonical" nested name specifier for a 1067d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// given nested name specifier. 1068d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 1069d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// The canonical nested name specifier is a nested name specifier 1070d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// that uniquely identifies a type or namespace within the type 1071d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// system. For example, given: 1072d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 1073d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \code 1074d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// namespace N { 1075d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// struct S { 1076d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct X { typename T* type; }; 1077d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 1078d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// } 1079d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 1080d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct Y { 1081d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// typename N::S::X<T>::type member; 1082d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 1083d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \endcode 1084d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 1085d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// Here, the nested-name-specifier for N::S::X<T>:: will be 1086d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// S::X<template-param-0-0>, since 'S' and 'X' are uniquely defined 1087d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// by declarations in the type system and the canonical type for 1088d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// the template type parameter 'T' is template-param-0-0. 1089d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier * 1090d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS); 1091d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 109204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall /// \brief Retrieves the canonical representation of the given 109304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall /// calling convention. 109404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall CallingConv getCanonicalCallConv(CallingConv CC) { 109504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (CC == CC_C) 109604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall return CC_Default; 109704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall return CC; 109804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall } 109904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 110004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall /// \brief Determines whether two calling conventions name the same 110104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall /// calling convention. 110204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall bool isSameCallConv(CallingConv lcc, CallingConv rcc) { 110304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall return (getCanonicalCallConv(lcc) == getCanonicalCallConv(rcc)); 110404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall } 110504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 110625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// \brief Retrieves the "canonical" template name that refers to a 110725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// given template. 110825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 110925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// The canonical template name is the simplest expression that can 111025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// be used to refer to a given template. For most templates, this 111125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// expression is just the template declaration itself. For example, 111225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// the template std::vector can be referred to via a variety of 111325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// names---std::vector, ::std::vector, vector (if vector is in 111425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// scope), etc.---but all of these names map down to the same 111525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// TemplateDecl, which is used to form the canonical template name. 111625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 111725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// Dependent template names are more interesting. Here, the 111825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name could be something like T::template apply or 111925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// std::allocator<T>::template rebind, where the nested name 112025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// specifier itself is dependent. In this case, the canonical 112125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name uses the shortest form of the dependent 112225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// nested-name-specifier, which itself contains all canonical 112325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// types, values, and templates. 112425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor TemplateName getCanonicalTemplateName(TemplateName Name); 112525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 1126db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor /// \brief Determine whether the given template names refer to the same 1127db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor /// template. 1128db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor bool hasSameTemplateName(TemplateName X, TemplateName Y); 1129db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 11301275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// \brief Retrieve the "canonical" template argument. 11311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The canonical template argument is the simplest template argument 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// (which may be a type, value, expression, or declaration) that 11341275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// expresses the value of the argument. 11351275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument getCanonicalTemplateArgument(const TemplateArgument &Arg); 11361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1137c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 1138c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 1139c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 1140c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 1141c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 1142c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 1143c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 1144c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 1145c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 1146c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 1147c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 1148c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 1149c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 1150c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 1151442471309fa97348f849687a6a8ef4acc3bc2c1fDouglas Gregor const DependentSizedArrayType *getAsDependentSizedArrayType(QualType T) { 1152442471309fa97348f849687a6a8ef4acc3bc2c1fDouglas Gregor return dyn_cast_or_null<DependentSizedArrayType>(getAsArrayType(T)); 1153442471309fa97348f849687a6a8ef4acc3bc2c1fDouglas Gregor } 1154442471309fa97348f849687a6a8ef4acc3bc2c1fDouglas Gregor 1155fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// getBaseElementType - Returns the innermost element type of an array type. 1156fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// For example, will return "int" for int[m][n] 1157fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType getBaseElementType(const ArrayType *VAT); 11585e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 11595e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// getBaseElementType - Returns the innermost element type of a type 11605e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// (which needn't actually be an array type). 11615e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QualType getBaseElementType(QualType QT); 11621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11630de78998e7bda473b408437053e48661b510d453Fariborz Jahanian /// getConstantArrayElementCount - Returns number of constant array elements. 11640de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t getConstantArrayElementCount(const ConstantArrayType *CA) const; 11651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1166e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 1167e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 1168e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 1169e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 1170e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 1171e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 1172e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 11731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1174a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// getPromotedIntegerType - Returns the type that Promotable will 1175a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 1176a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// integer type. 1177a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType getPromotedIntegerType(QualType PromotableType); 1178a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 117904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \brief Whether this is a promotable bitfield reference according 118004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 118104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// 118204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \returns the type this bit-field will promote to, or NULL if no 118304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// promotion occurs. 118404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType isPromotableBitField(Expr *E); 118504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getIntegerTypeOrder - Returns the highest ranked integer type: 11877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 11897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 11901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1191a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 1192a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 1193a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 11941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 1195a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 11981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// point or a complex type (based on typeDomain/typeSize). 1199716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 1200716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 1202f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 1203ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1204f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 1205f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 1206f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 1207f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1208f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 1209f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1210ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 1211ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 1212ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1214ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 1215ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1217132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool typesAreBlockPointerCompatible(QualType, QualType); 1218132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 1219a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 1220de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCIdTypedefType; 1221389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 1222a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 1223de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCClassTypedefType; 1224389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 1225a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 122613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return T == ObjCSelTypedefType; 12278baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 12284084c306635b70f37029dca938444e6013f08684Steve Naroff bool QualifiedIdConformsQualifiedId(QualType LHS, QualType RHS); 12294084c306635b70f37029dca938444e6013f08684Steve Naroff bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, 12304084c306635b70f37029dca938444e6013f08684Steve Naroff bool ForCompare); 12318baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 12323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 123314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 123414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *RHSOPT); 1235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool canAssignObjCInterfaces(const ObjCObjectType *LHS, 1236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS); 1237132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool canAssignObjCInterfacesInBlockPointer( 1238132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 1239132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT); 1240389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 1241db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian QualType areCommonBaseCompatible(const ObjCObjectPointerType *LHSOPT, 1242db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *RHSOPT); 1243db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 12443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 1245132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType mergeTypes(QualType, QualType, bool OfBlockPointer=false); 1246132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType mergeFunctionTypes(QualType, QualType, bool OfBlockPointer=false); 12472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 12482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType mergeObjCGCQualifiers(QualType, QualType); 12493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 1250a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// UsualArithmeticConversionsType - handles the various conversions 1251a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// that are common to binary operators (C99 6.3.1.8, C++ [expr]p9) 1252a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// and returns the result type of that conversion. 1253a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType UsualArithmeticConversionsType(QualType lhs, QualType rhs); 1254a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 1255368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 1256ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 1257ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1258ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1259ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 1260ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 1261ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 1262ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1263ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 1264ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 1265ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 1266ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 1267ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1268ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1269e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 1270e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1272e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 1273e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1275e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 1276e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 1277e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 12781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const_type_iterator types_end() const { return Types.end(); } 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1280e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 12810cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 12820cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 12830cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 12840cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 12850cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 12860cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 12870cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 12880cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 12890cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 12900cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 12910cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 12928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 12938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *getObjCImplementation(ObjCInterfaceDecl *D); 12948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 12958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *getObjCImplementation(ObjCCategoryDecl *D); 12968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 12978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCInterfaceDecl. 12988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCInterfaceDecl *IFaceD, 12998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD); 13008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCCategoryDecl. 13018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCCategoryDecl *CatD, 13028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD); 13038a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 1304a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// \brief Allocate an uninitialized TypeSourceInfo. 1305b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1306a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// The caller should initialize the memory held by TypeSourceInfo using 1307b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// the TypeLoc wrappers. 1308b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1309b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// \param T the type that will be the basis for type source info. This type 1310b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// should refer to how the declarator was written in source code, not to 1311b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// what type semantic analysis resolved the declarator to. 1312109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// 1313109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// \param Size the size of the type info to create, or 0 if the size 1314109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// should be calculated based on the type. 1315a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *CreateTypeSourceInfo(QualType T, unsigned Size = 0); 1316b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1317a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// \brief Allocate a TypeSourceInfo where all locations have been 1318a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall /// initialized to a given location, which defaults to the empty 1319a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall /// location. 1320a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo * 1321a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall getTrivialTypeSourceInfo(QualType T, SourceLocation Loc = SourceLocation()); 1322a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1323bf1a028246d884a540aeafa38e89be59a269b072John McCall TypeSourceInfo *getNullTypeSourceInfo() { return &NullTypeSourceInfo; } 1324bf1a028246d884a540aeafa38e89be59a269b072John McCall 13250054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// \brief Add a deallocation callback that will be invoked when the 13260054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// ASTContext is destroyed. 13270054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// 13280054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// \brief Callback A callback function that will be invoked on destruction. 13290054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// 13300054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// \brief Data Pointer data that will be provided to the callback function 13310054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// when it is called. 13320054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor void AddDeallocation(void (*Callback)(void*), void *Data); 13334923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 13344923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor //===--------------------------------------------------------------------===// 13354923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Statistics 13364923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor //===--------------------------------------------------------------------===// 13374923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 13381827403a7138946305c0058f262e02b595cf882fDouglas Gregor /// \brief The number of implicitly-declared default constructors. 13391827403a7138946305c0058f262e02b595cf882fDouglas Gregor static unsigned NumImplicitDefaultConstructors; 13401827403a7138946305c0058f262e02b595cf882fDouglas Gregor 13411827403a7138946305c0058f262e02b595cf882fDouglas Gregor /// \brief The number of implicitly-declared default constructors for 13421827403a7138946305c0058f262e02b595cf882fDouglas Gregor /// which declarations were built. 13431827403a7138946305c0058f262e02b595cf882fDouglas Gregor static unsigned NumImplicitDefaultConstructorsDeclared; 13441827403a7138946305c0058f262e02b595cf882fDouglas Gregor 1345225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor /// \brief The number of implicitly-declared copy constructors. 1346225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor static unsigned NumImplicitCopyConstructors; 1347225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor 13481827403a7138946305c0058f262e02b595cf882fDouglas Gregor /// \brief The number of implicitly-declared copy constructors for 1349225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor /// which declarations were built. 1350225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor static unsigned NumImplicitCopyConstructorsDeclared; 1351225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor 1352a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor /// \brief The number of implicitly-declared copy assignment operators. 1353a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor static unsigned NumImplicitCopyAssignmentOperators; 1354a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor 1355a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor /// \brief The number of implicitly-declared copy assignment operators for 1356a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor /// which declarations were built. 1357a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor static unsigned NumImplicitCopyAssignmentOperatorsDeclared; 1358a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor 13594923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor /// \brief The number of implicitly-declared destructors. 13604923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor static unsigned NumImplicitDestructors; 13614923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 13624923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor /// \brief The number of implicitly-declared destructors for which 13634923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor /// declarations were built. 13644923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor static unsigned NumImplicitDestructorsDeclared; 13650054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 13691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 1371e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall void InitBuiltinType(CanQualType &R, BuiltinType::Kind K); 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 137382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 13741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeImpl(QualType t, std::string &S, 137582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 137682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 1377153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field, 1378090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 13796ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty = false); 13800054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1381b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout &getObjCLayout(const ObjCInterfaceDecl *D, 13821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCImplementationDecl *Impl); 13833478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 13843478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenekprivate: 13850054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// \brief A set of deallocations that should be performed when the 13860054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// ASTContext is destroyed. 13870054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor llvm::SmallVector<std::pair<void (*)(void*), void *>, 16> Deallocations; 13880054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 13893478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: This currently contains the set of StoredDeclMaps used 13903478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // by DeclContext objects. This probably should not be in ASTContext, 13913478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // but we include it here so that ASTContext can quickly deallocate them. 13920c01d18094100db92d38daa923c95661512db203John McCall llvm::PointerIntPair<StoredDeclsMap*,1> LastSDM; 1393f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek 1394f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek /// \brief A counter used to uniquely identify "blocks". 1395f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek unsigned int UniqueBlockByRefTypeID; 1396f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek unsigned int UniqueBlockParmTypeID; 1397f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek 13983478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek friend class DeclContext; 1399ac9590effa90406767a544005ed1de52e258306bTed Kremenek friend class DeclarationNameTable; 14003478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek void ReleaseDeclContextMaps(); 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1402d5925bdff8bda8e062985caea299946636104d99Ted Kremenek 1403d5925bdff8bda8e062985caea299946636104d99Ted Kremenek/// @brief Utility function for constructing a nullary selector. 1404d5925bdff8bda8e062985caea299946636104d99Ted Kremenekstatic inline Selector GetNullarySelector(const char* name, ASTContext& Ctx) { 1405d5925bdff8bda8e062985caea299946636104d99Ted Kremenek IdentifierInfo* II = &Ctx.Idents.get(name); 1406d5925bdff8bda8e062985caea299946636104d99Ted Kremenek return Ctx.Selectors.getSelector(0, &II); 1407d5925bdff8bda8e062985caea299946636104d99Ted Kremenek} 1408d5925bdff8bda8e062985caea299946636104d99Ted Kremenek 1409d5925bdff8bda8e062985caea299946636104d99Ted Kremenek/// @brief Utility function for constructing an unary selector. 1410d5925bdff8bda8e062985caea299946636104d99Ted Kremenekstatic inline Selector GetUnarySelector(const char* name, ASTContext& Ctx) { 1411d5925bdff8bda8e062985caea299946636104d99Ted Kremenek IdentifierInfo* II = &Ctx.Idents.get(name); 1412d5925bdff8bda8e062985caea299946636104d99Ted Kremenek return Ctx.Selectors.getSelector(1, &II); 1413d5925bdff8bda8e062985caea299946636104d99Ted Kremenek} 1414e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 14155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 14165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1417e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 1418e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 1419e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 1420e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1421e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 1422e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 1423e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 1424e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 1425e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 1426e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 1427f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor/// // Default alignment (8) 1428e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 1429e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 1430f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor/// IntegerLiteral *Ex2 = new (Context, 4) IntegerLiteral(arguments); 1431e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 1432e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 1433e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 14344398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 1435e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1436e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 1437e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 143842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 143942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 1440e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 1441e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 14429f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor size_t Alignment) throw () { 1443c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 1444e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1445e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 1446e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1447e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 1448e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 1449e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 1450e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 1451fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattnerinline void operator delete(void *Ptr, clang::ASTContext &C, size_t) 1452e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 1453c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 1454e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1455e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 145642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 145742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 145842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 145942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 146042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 1461f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor/// // Default alignment (8) 146242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 146342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 1464f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor/// char *data = new (Context, 4) char[10]; 146542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 146642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 146742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 14684398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 146942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 147042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 147142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 147242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 147342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 147442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 147542542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 1476f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor size_t Alignment = 8) throw () { 147742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 147842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 147942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 148042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 148142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 148242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 148342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 148442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 148542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 14860235d1510d0677b26f2d0448694e5e3e8a1ee043Benjamin Kramerinline void operator delete[](void *Ptr, clang::ASTContext &C, size_t) 14870235d1510d0677b26f2d0448694e5e3e8a1ee043Benjamin Kramer throw () { 148842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 148942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 149042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 14915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1492