ASTContext.h revision c569249ca0ab755ac79d8cbbfcb2bcae19743624
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.h - Context to hold long-lived AST nodes ----*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 55f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file was developed by Chris Lattner and is distributed under 65f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// the University of Illinois Open Source 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 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Builtins.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Expr.h" 19464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/RecordLayout.h" 20464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 21464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 22a9aa5e69d8253e196be90c070738ab5bd9813730Steve Naroff#include "llvm/ADT/StringMap.h" 2368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 247192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TargetInfo; 29c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 30980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 332bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ReferenceType> ReferenceTypes; 387192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 392bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek llvm::FoldingSet<VariableArrayType> IncompleteVariableArrayTypes; 40347b9f33b3216459bcf60cdd52c739fa3028321eTed Kremenek std::vector<VariableArrayType*> CompleteVariableArrayTypes; 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeNoProto> FunctionTypeNoProtos; 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeProto> FunctionTypeProtos; 444b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSet<ObjcQualifiedInterfaceType> ObjcQualifiedInterfaceTypes; 45c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian llvm::FoldingSet<ObjcQualifiedIdType> ObjcQualifiedIdTypes; 4688a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 47a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 4888a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 49b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 50b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 51b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 52b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 53b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 547e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 557e219e47de26346885d667131977bd9ca2d7662aSteve Naroff /// ObjcIdType - a psuedo built-in typedef type (set by Sema). 567e219e47de26346885d667131977bd9ca2d7662aSteve Naroff QualType ObjcIdType; 577e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 582198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 59b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian /// ObjcSelType - another psuedo built-in typedef type (set by Sema). 60b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian QualType ObjcSelType; 61b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 62b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 63390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian /// ObjcProtoType - another psuedo built-in typedef type (set by Sema). 64390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian QualType ObjcProtoType; 65390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 668baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 678baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson /// ObjcClassType - another psuedo built-in typedef type (set by Sema). 688baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson QualType ObjcClassType; 698baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 70390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 712198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff QualType ObjcConstantStringType; 722198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 737a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 74b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 757a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekpublic: 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 7771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 7829238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 79a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek 807a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 819c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek 829c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 839c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 849c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 857a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 86a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 87a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 88a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 10033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ASTContext(SourceManager &SM, TargetInfo &t, IdentifierTable &idents, 103fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek SelectorTable &sels, unsigned size_reserve=0 ) : 10468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff CFConstantStringTypeDecl(0), SourceMgr(SM), Target(t), 10568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff Idents(idents), Selectors(sels) { 106fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 107fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek if (size_reserve > 0) Types.reserve(size_reserve); 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinTypes(); 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinInfo.InitializeBuiltins(idents, Target); 110fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek } 111fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 11503ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 11603ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 117464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 118464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 119464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 120d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getReferenceType - Return the uniqued reference to the type for a 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference to the specified type. 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getReferenceType(QualType T); 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 133bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 134bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 135c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 136c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 137c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 138fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 139bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 140bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 141c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 142c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 143c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14573322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 14673322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 14773322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 14873322924127c873c13101b705dd823f5539ffa5fSteve Naroff 14973322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getOCUVectorType - Return the unique reference to an OCU vector type of 15073322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 15173322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getOCUVectorType(QualType VectorType, unsigned NumElts); 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionTypeNoProto - Return a K&R style C function type like 'int()'. 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionTypeNoProto(QualType ResultTy); 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionType(QualType ResultTy, QualType *ArgArray, 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs, bool isVariadic); 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 1653536b443bc50d58a79f14fca9b6842541a434854Steve Naroff QualType getObjcInterfaceType(ObjcInterfaceDecl *Decl); 1664b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 1674b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// getObjcQualifiedInterfaceType - Return a 1684b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// ObjcQualifiedInterfaceType type for the given interface decl and 1694b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 1704b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian QualType getObjcQualifiedInterfaceType(ObjcInterfaceDecl *Decl, 1714b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian ObjcProtocolDecl **ProtocolList, unsigned NumProtocols); 172c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 173c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// getObjcQualifiedIdType - Return an ObjcQualifiedIdType for a 174c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 175c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian QualType getObjcQualifiedIdType(TypedefDecl *Decl, 176c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian ObjcProtocolDecl **ProtocolList, 177c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 178c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 180d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 1818d1a3b8ca1e5fcc4567b5a6f51d82be2e460de1cSteve Naroff QualType getTypeOfExpr(Expr *e); 182d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 183d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1928b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 1938b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 1948b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 1958b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 196beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 197beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 19871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 19971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 200983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 2012198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff void setObjcConstantStringInterface(ObjcInterfaceDecl *Decl); 2022198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff QualType getObjcConstantStringInterface() const { 2032198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff return ObjcConstantStringType; 2042198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 205b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 20685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // Return the ObjC type encoding for a given type. 20785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson void getObjcEncodingForType(QualType t, std::string &S) const; 20833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 209ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 210ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian void getObjcEncodingForTypeQualifier(Decl::ObjcDeclQualifier QT, 211ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 212ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 21333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// getObjcEncodingForMethodDecl - Return the encoded type for this method 21433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 21533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian void getObjcEncodingForMethodDecl(ObjcMethodDecl *Decl, std::string &S); 21633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 21733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// getObjcEncodingTypeSize returns size of type for objective-c encoding 21833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 21933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian int getObjcEncodingTypeSize(QualType t); 22085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 221983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter repreents the ObjC 'id' type. It is setup lazily, by 222983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // Sema. 2237e219e47de26346885d667131977bd9ca2d7662aSteve Naroff void setObjcIdType(TypedefDecl *Decl); 2247e219e47de26346885d667131977bd9ca2d7662aSteve Naroff QualType getObjcIdType() const { return ObjcIdType; } 225b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 226b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian void setObjcSelType(TypedefDecl *Decl); 227b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian QualType getObjcSelType() const { return ObjcSelType; } 228b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 22966c5dfc193c4090b67c5effb0e80e287b94de17eFariborz Jahanian void setObjcProtoType(QualType QT); 230390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian QualType getObjcProtoType() const { return ObjcProtoType; } 231390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 2328baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson void setObjcClassType(TypedefDecl *Decl); 2338baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson QualType getObjcClassType() const { return ObjcClassType; } 2348baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 235b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 236b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 237b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 238464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 239464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 240464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 241464175bba1318bef7905122e9fda20cff926df78Chris Lattner 242464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 243464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 244464175bba1318bef7905122e9fda20cff926df78Chris Lattner std::pair<uint64_t, unsigned> getTypeInfo(QualType T, SourceLocation L); 245464175bba1318bef7905122e9fda20cff926df78Chris Lattner 246464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 247464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 248464175bba1318bef7905122e9fda20cff926df78Chris Lattner uint64_t getTypeSize(QualType T, SourceLocation L) { 249464175bba1318bef7905122e9fda20cff926df78Chris Lattner return getTypeInfo(T, L).first; 250464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 251464175bba1318bef7905122e9fda20cff926df78Chris Lattner 252464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeAlign - Return the alignment of the specified type, in bits. This 253464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// method does not work on incomplete types. 254464175bba1318bef7905122e9fda20cff926df78Chris Lattner unsigned getTypeAlign(QualType T, SourceLocation L) { 255464175bba1318bef7905122e9fda20cff926df78Chris Lattner return getTypeInfo(T, L).second; 256464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 257464175bba1318bef7905122e9fda20cff926df78Chris Lattner 25888a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 259464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 260464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 26188a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D, SourceLocation L); 262464175bba1318bef7905122e9fda20cff926df78Chris Lattner 263464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 264464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 265464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 266464175bba1318bef7905122e9fda20cff926df78Chris Lattner 267464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// maxIntegerType - Returns the highest ranked integer type. Handles 3 268464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// different type combos: unsigned/unsigned, signed/signed, signed/unsigned. 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType maxIntegerType(QualType lhs, QualType rhs); 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 271fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff /// compareFloatingType - Handles 3 different combos: 272fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff /// float/float, float/complex, complex/complex. 273fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff /// If lt > rt, return 1. If lt == rt, return 0. If lt < rt, return -1. 274fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff static int compareFloatingType(QualType lt, QualType rt); 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 276716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 277716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 278716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 279716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 280f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 281f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 282ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 283ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 284ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 285ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 286ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 287ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 288ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 289ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool tagTypesAreCompatible(QualType, QualType); // C99 6.2.7p1 290ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool pointerTypesAreCompatible(QualType, QualType); // C99 6.7.5.1p2 291ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool referenceTypesAreCompatible(QualType, QualType); // C++ 5.17p6 292ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool functionTypesAreCompatible(QualType, QualType); // C99 6.7.5.3p15 293ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool arrayTypesAreCompatible(QualType, QualType); // C99 6.7.5.2p6 294ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool builtinTypesAreCompatible(QualType, QualType); 295770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner bool vectorTypesAreCompatible(QualType, QualType); 296ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 297ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Objective-C specific type checking. 298ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool interfaceTypesAreCompatible(QualType, QualType); 2994ffc54111fdc0baa45bb287f59774e06dea8caa4Fariborz Jahanian bool QualifiedInterfaceTypesAreCompatible(QualType, QualType); 300ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool objcTypesAreCompatible(QualType, QualType); 301ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool isObjcIdType(QualType T) const { 30245ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 30345ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 304ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 305ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 3068baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson bool isObjcClassType(QualType T) const { 30745ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 30845ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 3098baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 3108baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 3118baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson bool isObjcSelType(QualType T) const { 3128baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson assert(SelStructType && "isObjcSelType used before 'SEL' type is built"); 3138baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 3148baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 3158baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 3227192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 3237192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek //===--------------------------------------------------------------------===// 3247192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek // Serialization 3257192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek //===--------------------------------------------------------------------===// 326aa499b6ab30975d0cea225f71b33e7ee60b88a1fTed Kremenek 327aa499b6ab30975d0cea225f71b33e7ee60b88a1fTed Kremenekpublic: 3287192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek void Emit(llvm::Serializer& S) const; 3290f84c0059cec39fd1c73ac05bc2864dca664e7f4Ted Kremenek static ASTContext* Create(llvm::Deserializer& D); 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 335