ASTContext.h revision e7d07d113677a39026ff5119b8b67f6fe8ca9793
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 17e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek#include "clang/Basic/LangOptions.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Builtins.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Expr.h" 20464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/RecordLayout.h" 21464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 22464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 23a9aa5e69d8253e196be90c070738ab5bd9813730Steve Naroff#include "llvm/ADT/StringMap.h" 2468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 257192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 266c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TargetInfo; 31c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 32980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 352bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 37ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb llvm::FoldingSet<ASQualType> ASQualTypes; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ReferenceType> ReferenceTypes; 417192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 42c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 43c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeNoProto> FunctionTypeNoProtos; 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeProto> FunctionTypeProtos; 47a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 48a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedIdType> ObjCQualifiedIdTypes; 4988a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 50a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 5188a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 527d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian 537d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian llvm::SmallVector<const RecordType *, 8> EncodingRecordTypes; 54b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 55b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 56b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 57b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 58b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 597e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 606083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 61a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 627e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 632198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 646083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 65a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 66b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 67b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 686083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 69a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 70390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 718baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 726083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 73a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 748baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 75390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 76a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 772198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 787a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 79ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 80ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 81e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 82b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 83e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 84e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 85e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 86e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 87e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 88e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// Allocator - The allocator object used to create AST objects. 896c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner llvm::MallocAllocator Allocator; 90e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 917a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekpublic: 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 9371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 9429238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 95a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek 967a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 97e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek llvm::MallocAllocator &getAllocator() { return Allocator; } 98e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 996c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1009c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 1019c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 1029c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 103ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 104ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 105ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 106a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 107a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 108a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 12033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 122e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 123e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek IdentifierTable &idents, SelectorTable &sels, 124e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek unsigned size_reserve=0 ) : 125e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek CFConstantStringTypeDecl(0), SourceMgr(SM), LangOpts(LOpts), Target(t), 12668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff Idents(idents), Selectors(sels) { 127fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 128fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek if (size_reserve > 0) Types.reserve(size_reserve); 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinTypes(); 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinInfo.InitializeBuiltins(idents, Target); 131ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TUDecl = TranslationUnitDecl::Create(*this); 132fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek } 133fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 13703ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 13803ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 139464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 140464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 141464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 142d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 143f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// getASQualType - Return the uniqued reference to the type for an address 144f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// space qualified type with the specified type and address space. The 145f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// resulting type has a union of the qualifiers from T and the address space. 146f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // If T already has an address space specifier, it is silently replaced. 147ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb QualType getASQualType(QualType T, unsigned AddressSpace); 148ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getReferenceType - Return the uniqued reference to the type for a 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference to the specified type. 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getReferenceType(QualType T); 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 161bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 162bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 163c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 164c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 165c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 166fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 167c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 168c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 169c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 170c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 171c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 172c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 173bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 174bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 175c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 176c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 177c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17973322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 18073322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 18173322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 18273322924127c873c13101b705dd823f5539ffa5fSteve Naroff 183213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 184213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 185213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 186213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionTypeNoProto - Return a K&R style C function type like 'int()'. 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionTypeNoProto(QualType ResultTy); 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionType(QualType ResultTy, QualType *ArgArray, 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs, bool isVariadic); 1962ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 1972ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 1982ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 1992ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor QualType getTypeDeclType(TypeDecl *Decl); 2002ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 204a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCInterfaceType(ObjCInterfaceDecl *Decl); 2054b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 206a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 207a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 2084b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 209a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 210a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ProtocolList, unsigned NumProtocols); 211c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 212a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 213c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 214a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedIdType(QualType idType, 215a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ProtocolList, 216c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 217c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 219d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 2208d1a3b8ca1e5fcc4567b5a6f51d82be2e460de1cSteve Naroff QualType getTypeOfExpr(Expr *e); 221d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 222d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 230fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 231fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman /// getWcharType - Return the unique type for "wchar_t" (C99 7.17), defined 232fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman /// in <stddef.h>. Wide strings require this (C99 6.4.5p5). 233fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman QualType getWcharType() const; 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2358b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 2368b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 2378b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 2388b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 239beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 240beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 24171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 24271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 243983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 244a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 245a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 246a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 2472198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 248b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 24985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // Return the ObjC type encoding for a given type. 2507d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 251c81c8144a661a49d7b9dae8d2080dee2e43186ecChris Lattner llvm::SmallVector<const RecordType *, 8> &RT) const; 25233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 253ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 254a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 255ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 256ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 257a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 25833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 259a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForMethodDecl(ObjCMethodDecl *Decl, std::string &S); 26033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 261a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 26233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 263a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 26485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 265983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter repreents the ObjC 'id' type. It is setup lazily, by 266983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // Sema. 267a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCIdType(TypedefDecl *Decl); 268a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 269b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 270a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCSelType(TypedefDecl *Decl); 271a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 272b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 273a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 274a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 275390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 276a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCClassType(TypedefDecl *Decl); 277a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 2788baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 279b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 280b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 281b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 282464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 283464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 284464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 285464175bba1318bef7905122e9fda20cff926df78Chris Lattner 286464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 287464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 28898be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> getTypeInfo(QualType T); 289464175bba1318bef7905122e9fda20cff926df78Chris Lattner 290464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 291464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 29298be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 29398be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 294464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 295464175bba1318bef7905122e9fda20cff926df78Chris Lattner 296464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeAlign - Return the alignment of the specified type, in bits. This 297464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// method does not work on incomplete types. 29898be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 29998be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 300464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 301464175bba1318bef7905122e9fda20cff926df78Chris Lattner 30288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 303464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 304464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 30598be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 306464175bba1318bef7905122e9fda20cff926df78Chris Lattner 307464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 308464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 309464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 310464175bba1318bef7905122e9fda20cff926df78Chris Lattner 31177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 31277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 31377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 31477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 31577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 31677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 31777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 31877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 319e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 320e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 321e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 322e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 323e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 324e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 325e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 326e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 3287cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 3297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 3307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 331a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 332a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 333a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 334a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 335a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 336a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 338716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 339716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 340716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 341716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 342f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 343f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 344ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 345ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 346ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 347ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 348ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 349ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 350ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 351ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool pointerTypesAreCompatible(QualType, QualType); // C99 6.7.5.1p2 352ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool referenceTypesAreCompatible(QualType, QualType); // C++ 5.17p6 353ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool functionTypesAreCompatible(QualType, QualType); // C99 6.7.5.3p15 354ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 355a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 35645ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 35745ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 358ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 359ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 360a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 36145ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 36245ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 3638baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 3648baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 365a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 366a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 3678baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 3688baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 3698baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 370368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 371368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner // Serialization 372368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 373368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 374368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner void Emit(llvm::Serializer& S) const; 375368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner static ASTContext* Create(llvm::Deserializer& D); 376368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 388