ASTContext.h revision f057bf78a69d37ee511430c88852a85eea19ad15
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); 1513e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 152b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 153b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 154b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 155b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 156d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1576083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 158de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCIdTypedefType; 1591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1606083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 16113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian QualType ObjCSelTypedefType; 1621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1636083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 164a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 165390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1668baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1676083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 168de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType ObjCClassTypedefType; 1691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 170a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1712198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1727a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 1732bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian RecordDecl *NSConstantStringTypeDecl; 1742bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 175bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 1761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 177c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief The type for the C FILE type. 178c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor TypeDecl *FILEDecl; 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1808fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C jmp_buf type. 181782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *jmp_bufDecl; 1821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1838fad9941a635a42ee644e7396ca84cbaaa5c1b6eMike Stump /// \brief The type for the C sigjmp_buf type. 184782fa308a765aeac2acb39c4e697c937ec21185bMike Stump TypeDecl *sigjmp_bufDecl; 1851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 186adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 187adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *BlockDescriptorType; 188adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 189083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// \brief Type for the Block descriptor for Blocks CodeGen. 190083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *BlockDescriptorExtendedType; 191083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 192bf1a028246d884a540aeafa38e89be59a269b072John McCall TypeSourceInfo NullTypeSourceInfo; 193bf1a028246d884a540aeafa38e89be59a269b072John McCall 1941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Keeps track of all declaration attributes. 19568584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// 19668584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// Since so few decls have attrs, we keep them in a hash map instead of 19768584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// wasting space in the Decl class. 19868584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor llvm::DenseMap<const Decl*, Attr*> DeclAttrs; 1992455636163fdd18581d7fdae816433f886d88213Mike Stump 2007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Keeps track of the static data member templates from which 2017caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static data members of class template specializations were instantiated. 2027caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2037caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// This data structure stores the mapping from instantiations of static 2047caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// data members to the static data member representations within the 205251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template from which they were instantiated along with the kind 206251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// of instantiation or specialization (a TemplateSpecializationKind - 1). 2077caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2087caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// Given the following example: 2097caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2107caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \code 2117caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 2127caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// struct X { 2137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// static T value; 2147caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// }; 2157caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2167caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// template<typename T> 2177caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// T X<T>::value = T(17); 2187caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// int *x = &X<int>::value; 2207caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \endcode 2217caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// 2221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// This mapping will contain an entry that maps from the VarDecl for 2237caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// X<int>::value to the corresponding VarDecl for X<T>::value (within the 224251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor /// class template X) and will be marked TSK_ImplicitInstantiation. 225663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *> 226251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember; 2271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 228ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief Keeps track of the declaration from which a UsingDecl was 229ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// created during instantiation. The source declaration is always 230ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// a UsingDecl, an UnresolvedUsingValueDecl, or an 231ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// UnresolvedUsingTypenameDecl. 2320d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2330d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// For example: 2340d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \code 2350d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 2360d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct A { 2370d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// void f(); 2380d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 2390d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2400d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template<typename T> 2410d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// struct B : A<T> { 2420d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// using A<T>::f; 2430d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// }; 2440d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2450d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// template struct B<int>; 2460d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// \endcode 2470d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// 2480d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// This mapping will contain an entry that maps from the UsingDecl in 2490d8df780aef1acda5962347a32591efc629b6748Anders Carlsson /// B<int> to the UnresolvedUsingDecl in B<T>. 250ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingDecl *, NamedDecl *> InstantiatedFromUsingDecl; 251ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 252ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*> 253ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl; 2541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 255d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *> InstantiatedFromUnnamedFieldDecl; 2561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// \brief Mapping that stores the methods overridden by a given C++ 2587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// member function. 2597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// 2607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// Since most C++ member functions aren't virtual and therefore 2617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// don't override anything, we store the overridden functions in 2627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// this map on the side rather than within the CXXMethodDecl structure. 263046861b912ed72bdc364d7905180ee63e5b08870Anders Carlsson typedef UsuallyTinyPtrVector<const CXXMethodDecl> CXXMethodVector; 2647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector> OverriddenMethods; 2657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 266ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 267ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 268e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 269b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 2701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 271e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 272e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 273e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 274e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 275c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff /// MallocAlloc/BumpAlloc - The allocator objects used to create AST objects. 276c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMemory; 277c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::MallocAllocator MallocAlloc; 278c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff llvm::BumpPtrAllocator BumpAlloc; 2791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 280fe6b2d481d91140923f4541f273b253291884214Douglas Gregor /// \brief Allocator for partial diagnostics. 281fe6b2d481d91140923f4541f273b253291884214Douglas Gregor PartialDiagnostic::StorageAllocator DiagAllocator; 282fe6b2d481d91140923f4541f273b253291884214Douglas Gregor 2831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 284444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &Target; 28571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 28629238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 2871b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &BuiltinInfo; 2882e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 2892cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor llvm::OwningPtr<ExternalASTSource> ExternalSource; 290d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor clang::PrintingPolicy PrintingPolicy; 2912e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2920f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // Typedefs which may be provided defining the structure of Objective-C 2930f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall // pseudo-builtins 2940f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCIdRedefinitionType; 2950f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall QualType ObjCClassRedefinitionType; 296369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian QualType ObjCSelRedefinitionType; 2970f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall 2987a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 299a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner const SourceManager& getSourceManager() const { return SourceMgr; } 300c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Allocate(unsigned Size, unsigned Align = 8) { 301c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return FreeMemory ? MallocAlloc.Allocate(Size, Align) : 302c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff BumpAlloc.Allocate(Size, Align); 303c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Deallocate(void *Ptr) { 305c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff if (FreeMemory) 3061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MallocAlloc.Deallocate(Ptr); 307c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff } 308fe6b2d481d91140923f4541f273b253291884214Douglas Gregor 309fe6b2d481d91140923f4541f273b253291884214Douglas Gregor PartialDiagnostic::StorageAllocator &getDiagAllocator() { 310fe6b2d481d91140923f4541f273b253291884214Douglas Gregor return DiagAllocator; 311fe6b2d481d91140923f4541f273b253291884214Douglas Gregor } 312fe6b2d481d91140923f4541f273b253291884214Douglas Gregor 313e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FullSourceLoc getFullLoc(SourceLocation Loc) const { 3169c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 3179c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 318ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 31968584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Retrieve the attributes for the given declaration. 32068584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor Attr*& getDeclAttrs(const Decl *D) { return DeclAttrs[D]; } 3211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32268584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor /// \brief Erase the attributes corresponding to the given declaration. 32368584ed35ad819a1668e3f527ba7f5dd4ae6a333Douglas Gregor void eraseDeclAttrs(const Decl *D) { DeclAttrs.erase(D); } 3242455636163fdd18581d7fdae816433f886d88213Mike Stump 3257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief If this variable is an instantiated static data member of a 3261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// class template specialization, returns the templated static data member 3277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// from which it was instantiated. 328663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor MemberSpecializationInfo *getInstantiatedFromStaticDataMember( 329663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor const VarDecl *Var); 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3317caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// \brief Note that the static data member \p Inst is an instantiation of 3327caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor /// the static data member template \p Tmpl of a class template. 333251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor void setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 334251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK); 3351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 336ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief If the given using decl is an instantiation of a 337ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// (possibly unresolved) using decl from a template instantiation, 338d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson /// return it. 339ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NamedDecl *getInstantiatedFromUsingDecl(UsingDecl *Inst); 340d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 341ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// \brief Remember that the using decl \p Inst is an instantiation 342ed97649e9574b9d854fa4d6109c9333ae0993554John McCall /// of the using decl \p Pattern of a class template. 343ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern); 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 346ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern); 347ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst); 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 349d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field); 3501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 351d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson void setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, FieldDecl *Tmpl); 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Access to the set of methods overridden by the given C++ method. 3547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor typedef CXXMethodVector::iterator overridden_cxx_method_iterator; 3557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor overridden_cxx_method_iterator 3567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor overridden_methods_begin(const CXXMethodDecl *Method) const; 3577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor overridden_cxx_method_iterator 3597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor overridden_methods_end(const CXXMethodDecl *Method) const; 3607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// \brief Note that the given C++ \p Method overrides the given \p 3627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor /// Overridden method. 3637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor void addOverriddenMethod(const CXXMethodDecl *Method, 3647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden); 3657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 366ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 367ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 370e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType VoidTy; 371e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType BoolTy; 372e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType CharTy; 373e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType WCharTy; // [C++ 3.9.1p5], integer type in C99. 374e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType Char16Ty; // [C++0x 3.9.1p5], integer type in C99. 375e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType Char32Ty; // [C++0x 3.9.1p5], integer type in C99. 376e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy, Int128Ty; 377e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 378e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UnsignedLongLongTy, UnsignedInt128Ty; 379e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType FloatTy, DoubleTy, LongDoubleTy; 380e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 381e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType VoidPtrTy, NullPtrTy; 382e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType OverloadTy; 383e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType DependentTy; 384e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType UndeducedAutoTy; 38513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian CanQualType ObjCBuiltinIdTy, ObjCBuiltinClassTy, ObjCBuiltinSelTy; 3868e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 387444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar ASTContext(const LangOptions& LOpts, SourceManager &SM, const TargetInfo &t, 3881b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner IdentifierTable &idents, SelectorTable &sels, 3891b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 3901b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner bool FreeMemory = true, unsigned size_reserve=0); 391fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 3936ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor 3942cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Attach an external AST source to the AST context. 3952cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// 3962cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// The external AST source provides the ability to load parts of 3972cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// the abstract syntax tree as needed from some external storage, 3982cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// e.g., a precompiled header. 3992cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor void setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source); 4002cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 4012cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// \brief Retrieve a pointer to the external AST source associated 4022cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor /// with this AST context, if any. 4032cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalASTSource *getExternalSource() const { return ExternalSource.get(); } 4042cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 40603ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 407d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 408464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 409464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 410464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4120953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 4130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getExtQualType - Return a type with extended qualifiers. 4140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getExtQualType(const Type *Base, Qualifiers Quals); 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 416becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall QualType getTypeDeclTypeSlow(const TypeDecl *Decl); 417becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getAddSpaceQualType - Return the uniqued reference to the type for an 4201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// address space qualified type with the specified type and address space. 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The resulting type has a union of the qualifiers from T and the address 4221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// space. If T already has an address space specifier, it is silently 423f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian /// replaced. 424f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian QualType getAddrSpaceQualType(QualType T, unsigned AddressSpace); 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 426d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// getObjCGCQualType - Returns the uniqued reference to the type for an 427d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// objc gc qualified type. The retulting type has a union of the qualifiers 428d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// from T and the gc attribute. 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getObjCGCQualType(QualType T, Qualifiers::GC gcAttr); 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getRestrictType - Returns the uniqued reference to the type for a 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'restrict' qualified type. The resulting type has a union of the 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'restrict'. 4340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getRestrictType(QualType T) { 4350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qualifiers::Restrict); 4360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getVolatileType - Returns the uniqued reference to the type for a 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'volatile' qualified type. The resulting type has a union of the 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'volatile'. 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getVolatileType(QualType T); 4420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getConstType - Returns the uniqued reference to the type for a 4440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 'const' qualified type. The resulting type has a union of the 4450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers from T and 'const'. 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// It can be reasonably expected that this will always be 4480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// equivalent to calling T.withConst(). 4490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getConstType(QualType T) { return T.withConst(); } 4501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor /// getNoReturnType - Add or remove the noreturn attribute to the given type 45243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor /// which must be a FunctionType or a pointer to an allowable type or a 45343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor /// BlockPointer. 45443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType getNoReturnType(QualType T, bool AddNoReturn = true); 4551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 456ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// getCallConvType - Adds the specified calling convention attribute to 457ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// the given type, which must be a FunctionType or a pointer to an 458ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// allowable type. 459ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor QualType getCallConvType(QualType T, CallingConv CallConv); 460ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 461425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola /// getRegParmType - Sets the specified regparm attribute to 462425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola /// the given type, which must be a FunctionType or a pointer to an 463425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola /// allowable type. 464425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola QualType getRegParmType(QualType T, unsigned RegParm); 465425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 469e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getComplexType(CanQualType T) { 470e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType::CreateUnsafe(getComplexType((QualType) T)); 471e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall } 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 476e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getPointerType(CanQualType T) { 477e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType::CreateUnsafe(getPointerType((QualType) T)); 478e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall } 4795618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 4805618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 4815618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 4825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 483f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 484adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of the descriptor for pointer to 485adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// blocks. 486adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getBlockDescriptorType(); 487adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 488adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // Set the type for a Block descriptor type. 489adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump void setBlockDescriptorType(QualType T); 490adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// Get the BlockDescriptorType type, or NULL if it hasn't yet been built. 491adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType getRawBlockdescriptorType() { 492adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 493adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 494adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return QualType(); 495adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 496adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 497083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// This gets the struct used to keep track of the extended descriptor for 498083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// pointer to blocks. 499083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockDescriptorExtendedType(); 500083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 501083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // Set the type for a Block descriptor extended type. 502083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump void setBlockDescriptorExtendedType(QualType T); 503083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// Get the BlockDescriptorExtendedType type, or NULL if it hasn't yet been 504083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /// built. 505083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getRawBlockdescriptorExtendedType() { 506083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 507083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 508083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return QualType(); 509083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 510083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 511adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// This gets the struct used to keep track of pointer to blocks, complete 512adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /// with captured variables. 513083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType getBlockParmType(bool BlockHasCopyDispose, 514ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout); 515adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 516ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /// This builds the struct used for __block variables. 517af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType BuildByRefType(const char *DeclName, QualType Ty); 518af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 519af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /// Returns true iff we need copy/dispose helpers for the given type. 520af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool BlockRequiresCopying(QualType Ty); 521adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 5227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getLValueReferenceType - Return the uniqued reference to the type for an 5237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// lvalue reference to the specified type. 52454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getLValueReferenceType(QualType T, bool SpelledAsLValue = true); 5257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 5267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// getRValueReferenceType - Return the uniqued reference to the type for an 5277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl /// rvalue reference to the specified type. 5287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType getRValueReferenceType(QualType T); 529f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 530f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 531f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 532f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 533f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 534f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 535bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 536bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 537c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 538c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 5397e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 5407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 5411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 542898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 543898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 544898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 545898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 546898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 547fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 5487e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 5497e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets); 550fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 551c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 552c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 553c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 554c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 555c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 556c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 557bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 558bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 559c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 560c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 561c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 5627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 56373322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 56473322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 56582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson QualType getVectorType(QualType VectorType, unsigned NumElts, 56682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool AltiVec, bool IsPixel); 56773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 568213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 569213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 570213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 571213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5739cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// getDependentSizedExtVectorType - Returns a non-unique reference to 5749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// the type for a dependently-sized vector of the specified element 5759cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 5769cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// comparable, at some point. 5771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getDependentSizedExtVectorType(QualType VectorType, 5789cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 5799cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc); 5809cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 58172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 583264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola QualType getFunctionNoProtoType(QualType ResultTy, 584264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info); 585264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 5866a6aa53ec6c89ae0881309b0a0dd84b6868b576bRafael Espindola QualType getFunctionNoProtoType(QualType ResultTy) { 587264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(ResultTy, FunctionType::ExtInfo()); 5886a6aa53ec6c89ae0881309b0a0dd84b6868b576bRafael Espindola } 589465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 59286da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 593971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 594ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor unsigned TypeQuals, bool hasExceptionSpec, 595ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor bool hasAnyExceptionSpec, 596ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor unsigned NumExs, const QualType *ExArray, 597264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info); 5982ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 5992ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 6002ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 601becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall QualType getTypeDeclType(const TypeDecl *Decl, 602becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall const TypeDecl *PrevDecl = 0) { 603becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(Decl && "Passed null for Decl param"); 604becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 605becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 606becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall if (PrevDecl) { 607becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(PrevDecl->TypeForDecl && "previous decl has no TypeForDecl"); 608becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 609becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall return QualType(PrevDecl->TypeForDecl, 0); 610becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall } 611becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 612becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall return getTypeDeclTypeSlow(Decl); 613becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall } 6142ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 61719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall QualType getTypedefType(const TypedefDecl *Decl); 618fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 6193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType getInjectedClassNameType(CXXRecordDecl *Decl, QualType TST); 6203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 62149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getSubstTemplateTypeParmType(const TemplateTypeParmType *Replaced, 62249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement); 62349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 6241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, 62576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 626efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name = 0); 627fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 6287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType getTemplateSpecializationType(TemplateName T, 6297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 6307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 63171d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon = QualType()); 632833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 633833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall QualType getTemplateSpecializationType(TemplateName T, 634d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 63571d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon = QualType()); 63655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 6373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo * 6383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall getTemplateSpecializationTypeInfo(TemplateName T, SourceLocation TLoc, 6393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 6403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType Canon = QualType()); 6413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 642465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType getElaboratedType(ElaboratedTypeKeyword Keyword, 643465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 644465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType); 6454a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType getDependentNameType(ElaboratedTypeKeyword Keyword, 6464a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 6474a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 6484a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon = QualType()); 64933500955d731c73717af52088b7fc0e7a85681e7John McCall 65033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType getDependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 65133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 65233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 65333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgumentListInfo &Args); 65433500955d731c73717af52088b7fc0e7a85681e7John McCall QualType getDependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 65533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 65633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 65733500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 65833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 659e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 660c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getObjCInterfaceType(const ObjCInterfaceDecl *Decl); 661c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 662c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getObjCObjectType(QualType Base, 663c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 664c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 665c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 666c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// getObjCObjectPointerType - Return a ObjCObjectPointerType type 667c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// for the given ObjCObjectType. 668c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getObjCObjectPointerType(QualType OIT); 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 670d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 67172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType getTypeOfExprType(Expr *e); 672d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 674395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson /// getDecltypeType - C++0x decltype. 675395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson QualType getDecltypeType(Expr *e); 6761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 679e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump QualType getTagDeclType(const TagDecl *Decl); 6801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 683a3ccda58913cc1a4b8564e349448b12acc462da7Anders Carlsson CanQualType getSizeType() const; 684fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 6853a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// getWCharType - In C++, this returns the unique wchar_t type. In C99, this 6863a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// returns a type compatible with the type defined in <stddef.h> as defined 6873a2503227c3db04a3619735127483263c1075ef7Chris Lattner /// by the target. 6883a2503227c3db04a3619735127483263c1075ef7Chris Lattner QualType getWCharType() const { return WCharTy; } 68964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 69064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 69164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 69264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 69364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 69464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 69564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 69664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 6971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6988b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 6998b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 7008b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 702beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 703beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getCFConstantStringType(); 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7062bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // getNSConstantStringType - Return the C structure type used to represent 7072bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // constant NSStrings. 7082bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType getNSConstantStringType(); 7092bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /// Get the structure type used to representation NSStrings, or NULL 7102bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /// if it hasn't yet been built. 7112bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType getRawNSConstantStringType() { 7122bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (NSConstantStringTypeDecl) 7132bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 7142bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return QualType(); 7152bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 7162bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian void setNSConstantStringType(QualType T); 7172bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 7182bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 719319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the structure type used to representation CFStrings, or NULL 720319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// if it hasn't yet been built. 721319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawCFConstantStringType() { 722319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (CFConstantStringTypeDecl) 723319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(CFConstantStringTypeDecl); 724319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 725319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 726319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setCFConstantStringType(QualType T); 727319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 728983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 729a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 7301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getObjCConstantStringInterface() const { 7311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCConstantStringType; 7322198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 733b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 734bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 735bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 7361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 737319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// Get the ObjCFastEnumerationState type, or NULL if it hasn't yet 738319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor /// been built. 739319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor QualType getRawObjCFastEnumerationStateType() { 740319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (ObjCFastEnumerationStateTypeDecl) 741319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 742319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return QualType(); 743319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor } 744319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 745319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCFastEnumerationStateType(QualType T); 746319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 747c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Set the type for the C FILE type. 748c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor void setFILEDecl(TypeDecl *FILEDecl) { this->FILEDecl = FILEDecl; } 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 750c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor /// \brief Retrieve the C FILE type. 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFILEType() { 7521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FILEDecl) 753c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return getTypeDeclType(FILEDecl); 754c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor return QualType(); 755c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor } 756782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 757782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C jmp_buf type. 758fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setjmp_bufDecl(TypeDecl *jmp_bufDecl) { 759fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->jmp_bufDecl = jmp_bufDecl; 760fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 7611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 762782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C jmp_buf type. 7631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getjmp_bufType() { 7641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (jmp_bufDecl) 765782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(jmp_bufDecl); 766782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 767782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 768782fa308a765aeac2acb39c4e697c937ec21185bMike Stump 769782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Set the type for the C sigjmp_buf type. 770fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump void setsigjmp_bufDecl(TypeDecl *sigjmp_bufDecl) { 771fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump this->sigjmp_bufDecl = sigjmp_bufDecl; 772fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 774782fa308a765aeac2acb39c4e697c937ec21185bMike Stump /// \brief Retrieve the C sigjmp_buf type. 7751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getsigjmp_bufType() { 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (sigjmp_bufDecl) 777782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return getTypeDeclType(sigjmp_bufDecl); 778782fa308a765aeac2acb39c4e697c937ec21185bMike Stump return QualType(); 779782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 781d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 782d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 783d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 7841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForType(QualType t, std::string &S, 785153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field=0); 786a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 787a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 789ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 791ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 793a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 79433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 795c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall /// getObjCEncodingForBlockDecl - Return the encoded type for this block 7985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall /// declaration. 7995e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall void getObjCEncodingForBlock(const BlockExpr *Expr, std::string& S); 8005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 801c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 802c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 803c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 804c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 8051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 806c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 807c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 8081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8090fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian bool ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 8100fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto); 8111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 812a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 813aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck /// purpose in characters. 814aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits getObjCEncodingTypeSize(QualType t); 815d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 816d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 817d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 818de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCIdType() const { return ObjCIdTypedefType; } 819319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCIdType(QualType T); 8201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 821319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCSelType(QualType T); 82213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian QualType getObjCSelType() const { return ObjCSelTypedefType; } 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 824a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 825a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 8261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 827d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 828d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 829d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 830de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff QualType getObjCClassType() const { return ObjCClassTypedefType; } 831319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor void setObjCClassType(QualType T); 8321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 833b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 834b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 835f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 8360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getCVRQualifiedType - Returns a type with additional const, 8370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// volatile, or restrict qualifiers. 8380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getCVRQualifiedType(QualType T, unsigned CVR) { 8390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(T, Qualifiers::fromCVRMask(CVR)); 8400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 8410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 8420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 8430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(QualType T, Qualifiers Qs) { 8440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 8450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T.withFastQualifiers(Qs.getFastQualifiers()); 8460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc(Qs); 8470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Qc.strip(T); 8480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(Ptr, Qc); 8490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 8500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 8510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// getQualifiedType - Returns a type with additional qualifiers. 8520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType getQualifiedType(const Type *T, Qualifiers Qs) { 8530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Qs.hasNonFastQualifiers()) 8540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(T, Qs.getFastQualifiers()); 8550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(T, Qs); 8560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 8570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 85880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall DeclarationName getNameForTemplate(TemplateName Name); 85980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 860eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall TemplateName getOverloadedTemplateName(UnresolvedSetIterator Begin, 861eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End); 8620bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 8631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, 8647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 8657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template); 8661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 8687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name); 869ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, 870ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator); 8717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 87286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner enum GetBuiltinTypeError { 873782fa308a765aeac2acb39c4e697c937ec21185bMike Stump GE_None, //< No error 874f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_stdio, //< Missing a type from <stdio.h> 875f711c41dd9412a8182793259d355c4f6979ed5edMike Stump GE_Missing_setjmp //< Missing a type from <setjmp.h> 87686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner }; 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 87886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner /// GetBuiltinType - Return the type for the specified builtin. 87986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType GetBuiltinType(unsigned ID, GetBuiltinTypeError &Error); 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 881d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 882e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall CanQualType getFromTargetType(unsigned Type) const; 883b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 884464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 885b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 886b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 8871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 888d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 8894fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 8904fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// garbage collection attribute. 8914fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian /// 8920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttrKind(const QualType &Ty) const; 8931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 894fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 895fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 896fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 8971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 898b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 899464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 900464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 9011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 902b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 903b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 904b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 9051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 906464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 907464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 9081d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 9091d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 9101d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 9111d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 9121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 913464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 914464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 91598be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 91698be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 917464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 9181d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 9191d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 9201d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 9211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 922cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck /// getCharWidth - Return the size of the character type, in bits 923cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck uint64_t getCharWidth() { 924f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck return getTypeSize(CharTy); 925f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck } 926f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck 927cc906ef220c9be2644ad942457766d46a0b3651eKen Dyck /// getTypeSizeInChars - Return the size of the specified type, in characters. 928f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck /// This method does not work on incomplete types. 929bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck CharUnits getTypeSizeInChars(QualType T); 930bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck CharUnits getTypeSizeInChars(const Type *T); 931f5f514477d8a4e04e511d345b9fb896153f70e9dKen Dyck 93234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 93334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 93498be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 93598be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 936464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 9371d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 9381d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 9391d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 9401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 94116e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck /// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 94286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck /// characters. This method does not work on incomplete types. 94386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck CharUnits getTypeAlignInChars(QualType T); 94486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck CharUnits getTypeAlignInChars(const Type *T); 94586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 946ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<CharUnits, CharUnits> getTypeInfoInChars(const Type *T); 947ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<CharUnits, CharUnits> getTypeInfoInChars(QualType T); 948ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 94934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 95034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 95134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 95234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 95334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9558b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// getDeclAlign - Return a conservative estimate of the alignment of 9568b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// the specified decl. Note that bitfields do not have a valid alignment, so 9578b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// this method will assert on them. 9588b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// If @p RefAsPointee, references are treated like their underlying type 9598b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck /// (for alignof), else they're treated like pointers (for CodeGen). 9608b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck CharUnits getDeclAlign(const Decl *D, bool RefAsPointee = false); 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 96288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 963464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 964464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 96598be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 967b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCInterfaceLayout - Get or compute information about the 968b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// layout of the specified Objective-C interface. 96944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 970b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 971bf9e48cbaaa23d990dbedf9489513500bd0b9751Daniel Dunbar void DumpRecordLayout(const RecordDecl *RD, llvm::raw_ostream &OS); 972bf9e48cbaaa23d990dbedf9489513500bd0b9751Daniel Dunbar 973b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// getASTObjCImplementationLayout - Get or compute information about 974b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// the layout of the specified Objective-C implementation. This may 975b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar /// differ from the interface if synthesized ivars are present. 976b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout & 977b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar getASTObjCImplementationLayout(const ObjCImplementationDecl *D); 978b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 979f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// getKeyFunction - Get the key function for the given record decl. 980f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// The key function is, according to the Itanium C++ ABI section 5.2.3: 981f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// 982f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// ...the first non-pure virtual function that is not inline at the point 983f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson /// of class definition. 984f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson const CXXMethodDecl *getKeyFunction(const CXXRecordDecl *RD); 985f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 98688e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanian void CollectObjCIvars(const ObjCInterfaceDecl *OI, 9876ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor llvm::SmallVectorImpl<FieldDecl*> &Fields); 9888e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9898e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian void ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 99011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 99111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian void CollectNonClassIvars(const ObjCInterfaceDecl *OI, 9929820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars); 9933bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned CountNonClassIvars(const ObjCInterfaceDecl *OI); 994e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian void CollectInheritedProtocols(const Decl *CDecl, 995432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols); 996525c9b7baeeff022127cd1b167579f3bda73b3edDaniel Dunbar 997464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 998464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 999464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 100177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 100277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 100377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 100477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 100577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 100677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 100750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CanQualType getCanonicalType(QualType T); 10081d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 10091d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 10101d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 10112a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 101254e14c4db764c0636160d26c5bbf491637c83a76John McCall /// getCanonicalParamType - Return the canonical parameter type 101354e14c4db764c0636160d26c5bbf491637c83a76John McCall /// corresponding to the specific potentially non-canonical one. 101454e14c4db764c0636160d26c5bbf491637c83a76John McCall /// Qualifiers are stripped off, functions are turned into function 101554e14c4db764c0636160d26c5bbf491637c83a76John McCall /// pointers, and arrays decay one level into pointers. 101654e14c4db764c0636160d26c5bbf491637c83a76John McCall CanQualType getCanonicalParamType(QualType T); 101754e14c4db764c0636160d26c5bbf491637c83a76John McCall 10188e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent. 10198e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameType(QualType T1, QualType T2) { 10208e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor return getCanonicalType(T1) == getCanonicalType(T2); 10218e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 10221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10235535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// \brief Returns this type as a completely-unqualified array type, 10245535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// capturing the qualifiers in Quals. This will remove the minimal amount of 10255535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// sugaring from the types, similar to the behavior of 10265535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// QualType::getUnqualifiedType(). 102728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// 10285535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// \param T is the qualified type, which may be an ArrayType 102928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// 103028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// \param Quals will receive the full set of qualifiers that were 10315535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// applied to the array. 103228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// 103328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth /// \returns if this is an array type, the completely unqualified array type 10345535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth /// that corresponds to it. Otherwise, returns T.getUnqualifiedType(). 103528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType getUnqualifiedArrayType(QualType T, Qualifiers &Quals); 103628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 10378e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// \brief Determine whether the given types are equivalent after 10388e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor /// cvr-qualifiers have been removed. 10398e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor bool hasSameUnqualifiedType(QualType T1, QualType T2) { 1040a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CanQualType CT1 = getCanonicalType(T1); 1041a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CanQualType CT2 = getCanonicalType(T2); 104228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 104328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers Quals; 104428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType UnqualT1 = getUnqualifiedArrayType(CT1, Quals); 104528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType UnqualT2 = getUnqualifiedArrayType(CT2, Quals); 104628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return UnqualT1 == UnqualT2; 10478e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor } 10488e6563ba097732dc1fffcfc85f8dbbceac899a80Douglas Gregor 10495a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor bool UnwrapSimilarPointerTypes(QualType &T1, QualType &T2); 10505a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// \brief Retrieves the "canonical" declaration of 10527da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor 1053d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieves the "canonical" nested name specifier for a 1054d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// given nested name specifier. 1055d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 1056d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// The canonical nested name specifier is a nested name specifier 1057d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// that uniquely identifies a type or namespace within the type 1058d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// system. For example, given: 1059d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 1060d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \code 1061d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// namespace N { 1062d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// struct S { 1063d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct X { typename T* type; }; 1064d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 1065d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// } 1066d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 1067d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// template<typename T> struct Y { 1068d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// typename N::S::X<T>::type member; 1069d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// }; 1070d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \endcode 1071d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// 1072d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// Here, the nested-name-specifier for N::S::X<T>:: will be 1073d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// S::X<template-param-0-0>, since 'S' and 'X' are uniquely defined 1074d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// by declarations in the type system and the canonical type for 1075d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// the template type parameter 'T' is template-param-0-0. 1076d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier * 1077d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS); 1078d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 107904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall /// \brief Retrieves the canonical representation of the given 108004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall /// calling convention. 108104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall CallingConv getCanonicalCallConv(CallingConv CC) { 108204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (CC == CC_C) 108304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall return CC_Default; 108404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall return CC; 108504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall } 108604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 108704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall /// \brief Determines whether two calling conventions name the same 108804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall /// calling convention. 108904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall bool isSameCallConv(CallingConv lcc, CallingConv rcc) { 109004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall return (getCanonicalCallConv(lcc) == getCanonicalCallConv(rcc)); 109104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall } 109204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 109325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// \brief Retrieves the "canonical" template name that refers to a 109425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// given template. 109525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 109625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// The canonical template name is the simplest expression that can 109725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// be used to refer to a given template. For most templates, this 109825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// expression is just the template declaration itself. For example, 109925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// the template std::vector can be referred to via a variety of 110025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// names---std::vector, ::std::vector, vector (if vector is in 110125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// scope), etc.---but all of these names map down to the same 110225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// TemplateDecl, which is used to form the canonical template name. 110325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// 110425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// Dependent template names are more interesting. Here, the 110525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name could be something like T::template apply or 110625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// std::allocator<T>::template rebind, where the nested name 110725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// specifier itself is dependent. In this case, the canonical 110825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// template name uses the shortest form of the dependent 110925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// nested-name-specifier, which itself contains all canonical 111025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor /// types, values, and templates. 111125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor TemplateName getCanonicalTemplateName(TemplateName Name); 111225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 1113db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor /// \brief Determine whether the given template names refer to the same 1114db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor /// template. 1115db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor bool hasSameTemplateName(TemplateName X, TemplateName Y); 1116db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 11171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// \brief Retrieve the "canonical" template argument. 11181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The canonical template argument is the simplest template argument 11201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// (which may be a type, value, expression, or declaration) that 11211275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor /// expresses the value of the argument. 11221275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument getCanonicalTemplateArgument(const TemplateArgument &Arg); 11231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1124c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 1125c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 1126c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 1127c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 1128c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 1129c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 1130c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 1131c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 1132c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 1133c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 1134c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 1135c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 1136c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 1137c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 1138442471309fa97348f849687a6a8ef4acc3bc2c1fDouglas Gregor const DependentSizedArrayType *getAsDependentSizedArrayType(QualType T) { 1139442471309fa97348f849687a6a8ef4acc3bc2c1fDouglas Gregor return dyn_cast_or_null<DependentSizedArrayType>(getAsArrayType(T)); 1140442471309fa97348f849687a6a8ef4acc3bc2c1fDouglas Gregor } 1141442471309fa97348f849687a6a8ef4acc3bc2c1fDouglas Gregor 1142fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// getBaseElementType - Returns the innermost element type of an array type. 1143fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson /// For example, will return "int" for int[m][n] 1144fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType getBaseElementType(const ArrayType *VAT); 11455e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 11465e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// getBaseElementType - Returns the innermost element type of a type 11475e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor /// (which needn't actually be an array type). 11485e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QualType getBaseElementType(QualType QT); 11491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11500de78998e7bda473b408437053e48661b510d453Fariborz Jahanian /// getConstantArrayElementCount - Returns number of constant array elements. 11510de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t getConstantArrayElementCount(const ConstantArrayType *CA) const; 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1153e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 1154e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 1155e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 1156e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 1157e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 1158e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 1159e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1161a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// getPromotedIntegerType - Returns the type that Promotable will 1162a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 1163a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// integer type. 1164a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType getPromotedIntegerType(QualType PromotableType); 1165a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 116604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \brief Whether this is a promotable bitfield reference according 116704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 116804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// 116904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// \returns the type this bit-field will promote to, or NULL if no 117004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman /// promotion occurs. 117104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType isPromotableBitField(Expr *E); 117204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 11731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getIntegerTypeOrder - Returns the highest ranked integer type: 11747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 11751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 11767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 11771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1178a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 1179a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 1180a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// LHS < RHS, return -1. 1182a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 11851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// point or a complex type (based on typeDomain/typeSize). 1186716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 1187716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 1189f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 1190ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1191f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanprivate: 1192f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // Helper for integer ordering 1193f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman unsigned getIntegerRank(Type* T); 1194f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1195f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanpublic: 1196f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1197ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 1198ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 1199ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 12001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1201ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 1202ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 12031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1204132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool typesAreBlockPointerCompatible(QualType, QualType); 1205132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 1206a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 1207de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCIdTypedefType; 1208389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 1209a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 1210de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return T == ObjCClassTypedefType; 1211389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } 1212a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 121313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return T == ObjCSelTypedefType; 12148baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 12154084c306635b70f37029dca938444e6013f08684Steve Naroff bool QualifiedIdConformsQualifiedId(QualType LHS, QualType RHS); 12164084c306635b70f37029dca938444e6013f08684Steve Naroff bool ObjCQualifiedIdTypesAreCompatible(QualType LHS, QualType RHS, 12174084c306635b70f37029dca938444e6013f08684Steve Naroff bool ForCompare); 12188baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 12193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 122014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 122114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *RHSOPT); 1222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool canAssignObjCInterfaces(const ObjCObjectType *LHS, 1223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS); 1224132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool canAssignObjCInterfacesInBlockPointer( 1225132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 1226132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT); 1227389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff bool areComparableObjCPointerTypes(QualType LHS, QualType RHS); 1228db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian QualType areCommonBaseCompatible(const ObjCObjectPointerType *LHSOPT, 1229db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *RHSOPT); 1230db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 12313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 1232132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType mergeTypes(QualType, QualType, bool OfBlockPointer=false); 1233132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType mergeFunctionTypes(QualType, QualType, bool OfBlockPointer=false); 12342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 12352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType mergeObjCGCQualifiers(QualType, QualType); 12363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 1237a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// UsualArithmeticConversionsType - handles the various conversions 1238a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// that are common to binary operators (C99 6.3.1.8, C++ [expr]p9) 1239a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman /// and returns the result type of that conversion. 1240a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType UsualArithmeticConversionsType(QualType lhs, QualType rhs); 1241a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 1242368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 1243ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 1244ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1245ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1246ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 1247ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 1248ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 1249ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1250ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 1251ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 1252ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 1253ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 1254ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 1255ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 1256e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 1257e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1259e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 1260e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 12611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1262e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 1263e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 1264e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 12651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const_type_iterator types_end() const { return Types.end(); } 12661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1267e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 12680cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar // Integer Values 12690cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar //===--------------------------------------------------------------------===// 12700cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 12710cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// MakeIntValue - Make an APSInt of the appropriate width and 12720cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar /// signedness for the given \arg Value and integer \arg Type. 12730cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt MakeIntValue(uint64_t Value, QualType Type) { 12740cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar llvm::APSInt Res(getIntWidth(Type), !Type->isSignedIntegerType()); 12750cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar Res = Value; 12760cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar return Res; 12770cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar } 12780cd7fc28d4f69b281522b1bc96decd2b92cfd812Daniel Dunbar 12798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 12808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *getObjCImplementation(ObjCInterfaceDecl *D); 12818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 12828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *getObjCImplementation(ObjCCategoryDecl *D); 12838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 12848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCInterfaceDecl. 12858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCInterfaceDecl *IFaceD, 12868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD); 12878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis /// \brief Set the implementation of ObjCCategoryDecl. 12888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis void setObjCImplementation(ObjCCategoryDecl *CatD, 12898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD); 12908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 1291a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// \brief Allocate an uninitialized TypeSourceInfo. 1292b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1293a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// The caller should initialize the memory held by TypeSourceInfo using 1294b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// the TypeLoc wrappers. 1295b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// 1296b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// \param T the type that will be the basis for type source info. This type 1297b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// should refer to how the declarator was written in source code, not to 1298b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis /// what type semantic analysis resolved the declarator to. 1299109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// 1300109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// \param Size the size of the type info to create, or 0 if the size 1301109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall /// should be calculated based on the type. 1302a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *CreateTypeSourceInfo(QualType T, unsigned Size = 0); 1303b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1304a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall /// \brief Allocate a TypeSourceInfo where all locations have been 1305a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall /// initialized to a given location, which defaults to the empty 1306a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall /// location. 1307a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo * 1308a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall getTrivialTypeSourceInfo(QualType T, SourceLocation Loc = SourceLocation()); 1309a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1310bf1a028246d884a540aeafa38e89be59a269b072John McCall TypeSourceInfo *getNullTypeSourceInfo() { return &NullTypeSourceInfo; } 1311bf1a028246d884a540aeafa38e89be59a269b072John McCall 13120054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// \brief Add a deallocation callback that will be invoked when the 13130054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// ASTContext is destroyed. 13140054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// 13150054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// \brief Callback A callback function that will be invoked on destruction. 13160054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// 13170054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// \brief Data Pointer data that will be provided to the callback function 13180054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// when it is called. 13190054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor void AddDeallocation(void (*Callback)(void*), void *Data); 13200054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 13215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 13225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 13235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 13241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 1326e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall void InitBuiltinType(CanQualType &R, BuiltinType::Kind K); 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 132882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void getObjCEncodingForTypeImpl(QualType t, std::string &S, 133082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 133182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 1332153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field, 1333090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 13346ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty = false); 13350054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1336b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ASTRecordLayout &getObjCLayout(const ObjCInterfaceDecl *D, 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCImplementationDecl *Impl); 13383478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 13393478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenekprivate: 13400054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// \brief A set of deallocations that should be performed when the 13410054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor /// ASTContext is destroyed. 13420054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor llvm::SmallVector<std::pair<void (*)(void*), void *>, 16> Deallocations; 13430054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 13443478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: This currently contains the set of StoredDeclMaps used 13453478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // by DeclContext objects. This probably should not be in ASTContext, 13463478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // but we include it here so that ASTContext can quickly deallocate them. 13470c01d18094100db92d38daa923c95661512db203John McCall llvm::PointerIntPair<StoredDeclsMap*,1> LastSDM; 1348f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek 1349f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek /// \brief A counter used to uniquely identify "blocks". 1350f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek unsigned int UniqueBlockByRefTypeID; 1351f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek unsigned int UniqueBlockParmTypeID; 1352f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek 13533478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek friend class DeclContext; 1354ac9590effa90406767a544005ed1de52e258306bTed Kremenek friend class DeclarationNameTable; 13553478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek void ReleaseDeclContextMaps(); 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1357d5925bdff8bda8e062985caea299946636104d99Ted Kremenek 1358d5925bdff8bda8e062985caea299946636104d99Ted Kremenek/// @brief Utility function for constructing a nullary selector. 1359d5925bdff8bda8e062985caea299946636104d99Ted Kremenekstatic inline Selector GetNullarySelector(const char* name, ASTContext& Ctx) { 1360d5925bdff8bda8e062985caea299946636104d99Ted Kremenek IdentifierInfo* II = &Ctx.Idents.get(name); 1361d5925bdff8bda8e062985caea299946636104d99Ted Kremenek return Ctx.Selectors.getSelector(0, &II); 1362d5925bdff8bda8e062985caea299946636104d99Ted Kremenek} 1363d5925bdff8bda8e062985caea299946636104d99Ted Kremenek 1364d5925bdff8bda8e062985caea299946636104d99Ted Kremenek/// @brief Utility function for constructing an unary selector. 1365d5925bdff8bda8e062985caea299946636104d99Ted Kremenekstatic inline Selector GetUnarySelector(const char* name, ASTContext& Ctx) { 1366d5925bdff8bda8e062985caea299946636104d99Ted Kremenek IdentifierInfo* II = &Ctx.Idents.get(name); 1367d5925bdff8bda8e062985caea299946636104d99Ted Kremenek return Ctx.Selectors.getSelector(1, &II); 1368d5925bdff8bda8e062985caea299946636104d99Ted Kremenek} 1369e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 13705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1372e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 1373e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 1374e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 1375e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1376e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 1377e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 1378e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 1379e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 1380e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 1381e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 1382f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor/// // Default alignment (8) 1383e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 1384e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 1385f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor/// IntegerLiteral *Ex2 = new (Context, 4) IntegerLiteral(arguments); 1386e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 1387e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 1388e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 13894398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 1390e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1391e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 1392e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 139342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 139442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 1395e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 1396e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 13979f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor size_t Alignment) throw () { 1398c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff return C.Allocate(Bytes, Alignment); 1399e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1400e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 1401e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 1402e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 1403e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 1404e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 1405e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 1406fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattnerinline void operator delete(void *Ptr, clang::ASTContext &C, size_t) 1407e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 1408c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff C.Deallocate(Ptr); 1409e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 1410e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 141142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This placement form of operator new[] uses the ASTContext's allocator for 141242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// obtaining memory. It is a non-throwing new[], which means that it returns 141342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// null on error. 141442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 141542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @code 1416f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor/// // Default alignment (8) 141742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// char *data = new (Context) char[10]; 141842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// // Specific alignment 1419f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor/// char *data = new (Context, 4) char[10]; 142042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @endcode 142142542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// Please note that you cannot use delete on the pointer; it must be 142242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// deallocated using an explicit destructor call followed by 14234398a78095cd05a3be702fbab25bfe324a5d7946Ted Kremenek/// @c Context.Deallocate(Ptr). 142442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 142542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 142642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param C The ASTContext that provides the allocator. 142742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @param Alignment The alignment of the allocated memory (if the underlying 142842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// allocator supports it). 142942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @return The allocated memory. Could be NULL. 143042542c6a4b3c60f63820e6177a8938443831492cTed Kremenekinline void *operator new[](size_t Bytes, clang::ASTContext& C, 1431f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor size_t Alignment = 8) throw () { 143242542c6a4b3c60f63820e6177a8938443831492cTed Kremenek return C.Allocate(Bytes, Alignment); 143342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 143442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 143542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// @brief Placement delete[] companion to the new[] above. 143642542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// 143742542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// This operator is just a companion to the new[] above. There is no way of 143842542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// invoking it directly; see the new[] operator for more details. This operator 143942542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// is called implicitly by the compiler if a placement new[] expression using 144042542c6a4b3c60f63820e6177a8938443831492cTed Kremenek/// the ASTContext throws in the object constructor. 14410235d1510d0677b26f2d0448694e5e3e8a1ee043Benjamin Kramerinline void operator delete[](void *Ptr, clang::ASTContext &C, size_t) 14420235d1510d0677b26f2d0448694e5e3e8a1ee043Benjamin Kramer throw () { 144342542c6a4b3c60f63820e6177a8938443831492cTed Kremenek C.Deallocate(Ptr); 144442542c6a4b3c60f63820e6177a8938443831492cTed Kremenek} 144542542c6a4b3c60f63820e6177a8938443831492cTed Kremenek 14465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1447