ASTContext.h revision 3e9704981d7691fdd44913bf1786e8d760d8a627
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" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Builtins.h" 202e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#include "clang/AST/DeclarationName.h" 21e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/DeclBase.h" 22464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 23e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/Basic/SourceLocation.h" 24464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 2568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 267192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 276c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 31b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 32b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 33b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 35e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 36e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 37c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 38e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 39e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 40d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 41e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 43c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 44e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 48e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 4972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 50efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class FieldDecl; 51efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarRefExpr; 52efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarDecl; 53efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 562bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 58ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb llvm::FoldingSet<ASQualType> ASQualTypes; 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ReferenceType> ReferenceTypes; 63f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSet<MemberPointerType> MemberPointerTypes; 647192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 65c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 66c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 67898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor std::vector<DependentSizedArrayType*> DependentSizedArrayTypes; 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeNoProto> FunctionTypeNoProtos; 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeProto> FunctionTypeProtos; 71a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 72a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedIdType> ObjCQualifiedIdTypes; 7388a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 74a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 7588a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 7644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel llvm::DenseMap<const ObjCInterfaceDecl*, 7744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout*> ASTObjCInterfaces; 787d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian 79be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // FIXME: Shouldn't ASTRecordForInterface/ASTFieldForIvarRef and 80be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // addRecordToClass/getFieldDecl be part of the backend (i.e. CodeGenTypes and 81be63802d1efe52697f49aafea49a5028b30b0affSteve Naroff // CodeGenFunction)? 82a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian llvm::DenseMap<const ObjCInterfaceDecl*, 83a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl*> ASTRecordForInterface; 84efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr*, const FieldDecl*> ASTFieldForIvarRef; 85a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 86b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 87b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 88b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 89b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 907e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 916083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 92a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 937e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 942198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 956083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 96a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 97b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 98b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 996083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 100a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 101390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 1028baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 1036083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 104a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 1058baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 106390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 107a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1082198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1097a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 110bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 111bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 112ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 113ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 114e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 115b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 116e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 117e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 118e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 119e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 120e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 121e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// Allocator - The allocator object used to create AST objects. 1226c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner llvm::MallocAllocator Allocator; 123e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 1247a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekpublic: 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 12671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 12729238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 1282e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 1292e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1307a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 131e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek llvm::MallocAllocator &getAllocator() { return Allocator; } 1323e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff void Deallocate(void *Ptr) { Allocator.Deallocate(Ptr); } 1333e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff 134e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 1356c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1369c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 1379c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 1389c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 139ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 140ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 141ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 142a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 143a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 144a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 15164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType WCharTy; // [C++ 3.9.1p5] 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 15733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1588e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor QualType OverloadTy; 159898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType DependentTy; 1608e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 161e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 162e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek IdentifierTable &idents, SelectorTable &sels, 163e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar unsigned size_reserve=0); 164fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 16803ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 16903ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 170464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 171464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 172464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 173d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 174f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// getASQualType - Return the uniqued reference to the type for an address 175f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// space qualified type with the specified type and address space. The 176f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// resulting type has a union of the qualifiers from T and the address space. 177f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // If T already has an address space specifier, it is silently replaced. 178ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb QualType getASQualType(QualType T, unsigned AddressSpace); 179ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 1875618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 1895618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 1905618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 191f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getReferenceType - Return the uniqued reference to the type for a 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference to the specified type. 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getReferenceType(QualType T); 195f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 196f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// getMemberPointerType - Return the uniqued reference to the type for a 197f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// member pointer to the specified type in the specified class. The class 198f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// is a Type because it could be a dependent name. 199f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getMemberPointerType(QualType T, const Type *Cls); 200f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 201bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 202bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 203c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 204c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 205c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 206898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 207898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 208898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 209898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 210898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 211898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 212fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 213fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman unsigned EltTypeQuals); 214fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 215c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 216c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 217c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 218c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 219c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 220c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 221bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 222bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 223c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 224c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 225c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22773322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 22873322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 22973322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 23073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 231213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 232213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 233213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 234213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionTypeNoProto - Return a K&R style C function type like 'int()'. 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionTypeNoProto(QualType ResultTy); 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 24286da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 243971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 2447fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis unsigned TypeQuals); 2452ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2462ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 2472ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 2484b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 2492ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 25372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor QualType getTemplateTypeParmType(TemplateTypeParmDecl *Decl); 254a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCInterfaceType(ObjCInterfaceDecl *Decl); 2554b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 256a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 257a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 2584b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 259a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 260a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ProtocolList, unsigned NumProtocols); 261c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 262a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 263c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 26462f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner QualType getObjCQualifiedIdType(ObjCProtocolDecl **ProtocolList, 265c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 266c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 268d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 2698d1a3b8ca1e5fcc4567b5a6f51d82be2e460de1cSteve Naroff QualType getTypeOfExpr(Expr *e); 270d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 271d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 279fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 28055f4b02bc71e7347986c6a5249bef635aac1901aArgyrios Kyrtzidis /// getWCharType - Return the unique type for "wchar_t" (C99 7.17), defined 281fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman /// in <stddef.h>. Wide strings require this (C99 6.4.5p5). 28255f4b02bc71e7347986c6a5249bef635aac1901aArgyrios Kyrtzidis QualType getWCharType() const; 28364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 28464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 28564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 28664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 28764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 28864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 28964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 29064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2928b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 2938b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 2948b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 2958b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 296beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 297beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 29871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 29971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 300983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 301a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 302a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 303a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 3042198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 305b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 306bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 307bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 308bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 309d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 310d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 311d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 3127d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 31343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FieldDecl *Field=NULL) const; 314a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 315a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 31633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 317ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 318a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 319ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 320ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 321a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 32233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 323c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 324c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 325c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 326c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 327c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 328c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 32977a49f6b1e5741f6bda71eb7837b43343925027bArgyrios Kyrtzidis void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 330c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 331c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 33233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 333a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 33433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 335a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 33685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 337d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 338d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 339a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 340d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCIdType(TypedefDecl *Decl); 341b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 342a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCSelType(TypedefDecl *Decl); 343a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 344b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 345a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 346a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 347390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 348d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 349d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 350d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 351a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 352d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCClassType(TypedefDecl *Decl); 3538baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 354b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 355b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 356b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 357d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 358d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor QualType getFromTargetType(unsigned Type) const; 359b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 360464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 361b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 362b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 363d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor 364d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 365b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// isObjCObjectPointerType - Returns true if type is an Objective-C pointer 366b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to an object type. This includes "id" and "Class" (two 'special' pointers 367b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified 368b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// ID type). 369b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek bool isObjCObjectPointerType(QualType Ty) const; 370fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 371fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 372fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 373fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 374b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 375b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 376464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 377464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 378464175bba1318bef7905122e9fda20cff926df78Chris Lattner 379b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 380b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 381b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 382b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 383464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 384464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 3851d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 3861d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 3871d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 3881d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 389464175bba1318bef7905122e9fda20cff926df78Chris Lattner 390464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 391464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 39298be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 39398be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 394464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 3951d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 3961d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 3971d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 398464175bba1318bef7905122e9fda20cff926df78Chris Lattner 39934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getTypeAlign - Return the ABI-specified alignment of a type, in bits. 40034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// This method does not work on incomplete types. 40198be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 40298be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 403464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 4041d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 4051d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 4061d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 407464175bba1318bef7905122e9fda20cff926df78Chris Lattner 40834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// getPreferredTypeAlign - Return the "preferred" alignment of the specified 40934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// type for the current target in bits. This can be different than the ABI 41034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// alignment in cases where it is beneficial for performance to overalign 41134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner /// a data type. 41234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned getPreferredTypeAlign(const Type *T); 41334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 414f65dd5681b34f195a29ddd6ee134b7743ed78cddChris Lattner /// getDeclAlign - Return the alignment of the specified decl that should be 415f65dd5681b34f195a29ddd6ee134b7743ed78cddChris Lattner /// returned by __alignof(). Note that bitfields do not have a valid 416f65dd5681b34f195a29ddd6ee134b7743ed78cddChris Lattner /// alignment, so this method will assert on them. 417af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner unsigned getDeclAlign(const Decl *D); 418af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner 41988a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 420464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 421464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 42298be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 423464175bba1318bef7905122e9fda20cff926df78Chris Lattner 42444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 425a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl *addRecordToClass(const ObjCInterfaceDecl *D); 426efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const FieldDecl *getFieldDecl(const ObjCIvarRefExpr *MRef) { 427efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr *, const FieldDecl*>::iterator I 428efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian = ASTFieldForIvarRef.find(MRef); 429efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian assert (I != ASTFieldForIvarRef.end() && "Unable to find field_decl"); 430efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian return I->second; 431efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian } 432efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian void setFieldDecl(const ObjCInterfaceDecl *OI, 433efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarDecl *Ivar, 434efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarRefExpr *MRef); 435464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 436464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 437464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 438464175bba1318bef7905122e9fda20cff926df78Chris Lattner 43977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 44077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 44177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 44277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 44377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 44477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 44577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 4461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 4471d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 4481d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 44977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 450c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 451c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 452c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 453c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 454c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 455c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 456c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 457c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 458c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 459c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 460c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 461c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 462c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 463c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 4646183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 4656183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// getBaseElementType - Returns the innermost element type of a variable 4666183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// length array type. For example, will return "int" for int[m][n] 4676183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType getBaseElementType(const VariableArrayType *VAT); 468c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 469e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 470e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 471e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 472e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 473e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 474e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 475e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 476e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 4777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 4787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 4797cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 4807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 481a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 482a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 483a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 484a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 485a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 486a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 488716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 489716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 490716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 491716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 492f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 493f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 494ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 495ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 496ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 497ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 498ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 499ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 500ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 5011c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff bool typesAreBlockCompatible(QualType lhs, QualType rhs); 502ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 503a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 50445ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 50545ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 506ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 507ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 508a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 50945ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 51045ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 5118baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 5128baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 513a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 514a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 5158baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 5168baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 5178baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 5183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 5193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 5203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 5213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 5233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 5243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 5253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 526368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 527ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 528ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 529ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 530ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 531ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 532ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 533ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 534ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 535ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 536ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 537ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 538ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 539ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 540e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 541e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 542e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 543e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 544e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 545e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 546e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 547e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 548e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 549e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_end() const { return Types.end(); } 550e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 551e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 552368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner // Serialization 553368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 554368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 555368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner void Emit(llvm::Serializer& S) const; 556368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner static ASTContext* Create(llvm::Deserializer& D); 557368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 5644b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 56582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 56682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar void getObjCEncodingForTypeImpl(QualType t, std::string &S, 56782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 56882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 5695b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian FieldDecl *Field, 570090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType = false, 571090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool EncodingProperty = false) const; 5723e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 574e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 577e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// operator new and delete aren't allowed inside namespaces. 578e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl// The throw specifications are mandated by the standard. 579e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement new for using the ASTContext's allocator. 580e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 581e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This placement form of operator new uses the ASTContext's allocator for 582e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// obtaining memory. It is a non-throwing new, which means that it returns 583e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// null on error. (If that is what the allocator does. The current does, so if 584e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// this ever changes, this operator will have to be changed, too.) 585e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Usage looks like this (assuming there's an ASTContext 'Context' in scope): 586e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @code 587e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Default alignment (16) 588e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); 589e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// // Specific alignment 590e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); 591e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @endcode 592e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// Please note that you cannot use delete on the pointer; it must be 593e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// deallocated using an explicit destructor call followed by 594e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @c Context.getAllocator().Deallocate(Ptr) 595e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 596e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Bytes The number of bytes to allocate. Calculated by the compiler. 597e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param C The ASTContext that provides the allocator. 598e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @param Alignment The alignment of the allocated memory (if the allocator 599e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// supports it, which the current one doesn't). 600e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @return The allocated memory. Could be NULL. 601e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redlinline void *operator new(size_t Bytes, clang::ASTContext &C, 602e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl size_t Alignment = 16) throw () { 603e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl return C.getAllocator().Allocate(Bytes, Alignment); 604e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 605e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// @brief Placement delete companion to the new above. 606e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// 607e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// This operator is just a companion to the new above. There is no way of 608e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// invoking it directly; see the new operator for more details. This operator 609e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// is called implicitly by the compiler if a placement new expression using 610e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl/// the ASTContext throws in the object constructor. 6117106a3aea3cdbf409aed3e32235d909a47e25501Steve Naroffinline void operator delete(void *Ptr, clang::ASTContext &C) 612e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl throw () { 613e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl C.getAllocator().Deallocate(Ptr); 614e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl} 615e91b3bc1624ec877862e5d276f1b6f5026fe71e3Sebastian Redl 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 617