ASTContext.h revision 213541a68a3e137d11d2cefb612c6cdb410d7e8e
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 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" 256c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TargetInfo; 30c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 31980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 342bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 36ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb llvm::FoldingSet<ASQualType> ASQualTypes; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ReferenceType> ReferenceTypes; 407192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 41c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 42c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeNoProto> FunctionTypeNoProtos; 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeProto> FunctionTypeProtos; 46a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 47a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedIdType> ObjCQualifiedIdTypes; 4888a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 49a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 5088a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 517d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian 527d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian llvm::SmallVector<const RecordType *, 8> EncodingRecordTypes; 53b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 54b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 55b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 56b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 57b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 587e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 596083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 60a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 617e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 622198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 636083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 64a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 65b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 66b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 676083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 68a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 69390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 708baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 716083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 72a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 738baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 74390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 75a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 762198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 777a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 78ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 79ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 80b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 816c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner llvm::MallocAllocator Allocator; 827a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekpublic: 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 8471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 8529238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 86a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek 877a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 886c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner llvm::MallocAllocator &getAllocator() { return Allocator; } 896c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 909c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 919c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 929c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 93ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 94ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 95ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 96a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 97a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 98a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 11033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff ASTContext(SourceManager &SM, TargetInfo &t, IdentifierTable &idents, 113fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek SelectorTable &sels, unsigned size_reserve=0 ) : 11468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff CFConstantStringTypeDecl(0), SourceMgr(SM), Target(t), 11568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff Idents(idents), Selectors(sels) { 116fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 117fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek if (size_reserve > 0) Types.reserve(size_reserve); 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinTypes(); 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinInfo.InitializeBuiltins(idents, Target); 120ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TUDecl = TranslationUnitDecl::Create(*this); 121fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek } 122fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 12603ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 12703ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 128464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 129464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 130464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 131d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 132f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// getASQualType - Return the uniqued reference to the type for an address 133f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// space qualified type with the specified type and address space. The 134f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// resulting type has a union of the qualifiers from T and the address space. 135f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // If T already has an address space specifier, it is silently replaced. 136ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb QualType getASQualType(QualType T, unsigned AddressSpace); 137ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getReferenceType - Return the uniqued reference to the type for a 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference to the specified type. 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getReferenceType(QualType T); 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 150bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 151bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 152c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 153c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 154c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 155fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 156c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 157c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 158c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 159c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 160c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 161c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 162bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 163bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 164c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 165c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 166c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16873322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 16973322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 17073322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 17173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 172213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 173213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 174213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 175213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionTypeNoProto - Return a K&R style C function type like 'int()'. 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionTypeNoProto(QualType ResultTy); 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionType(QualType ResultTy, QualType *ArgArray, 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs, bool isVariadic); 1852ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 1862ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 1872ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 1882ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor QualType getTypeDeclType(TypeDecl *Decl); 1892ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 193a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCInterfaceType(ObjCInterfaceDecl *Decl); 1944b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 195a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 196a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 1974b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 198a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 199a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ProtocolList, unsigned NumProtocols); 200c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 201a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 202c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 203a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedIdType(QualType idType, 204a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ProtocolList, 205c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 206c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 208d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 2098d1a3b8ca1e5fcc4567b5a6f51d82be2e460de1cSteve Naroff QualType getTypeOfExpr(Expr *e); 210d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 211d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 219fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 220fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman /// getWcharType - Return the unique type for "wchar_t" (C99 7.17), defined 221fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman /// in <stddef.h>. Wide strings require this (C99 6.4.5p5). 222fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman QualType getWcharType() const; 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2248b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 2258b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 2268b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 2278b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 228beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 229beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 23071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 23171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 232983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 233a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 234a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 235a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 2362198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 237b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 23885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // Return the ObjC type encoding for a given type. 2397d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 240c81c8144a661a49d7b9dae8d2080dee2e43186ecChris Lattner llvm::SmallVector<const RecordType *, 8> &RT) const; 24133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 242ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 243a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 244ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 245ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 246a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 24733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 248a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForMethodDecl(ObjCMethodDecl *Decl, std::string &S); 24933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 250a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 25133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 252a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 25385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 254983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter repreents the ObjC 'id' type. It is setup lazily, by 255983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // Sema. 256a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCIdType(TypedefDecl *Decl); 257a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 258b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 259a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCSelType(TypedefDecl *Decl); 260a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 261b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 262a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 263a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 264390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 265a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCClassType(TypedefDecl *Decl); 266a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 2678baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 268b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 269b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 270b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 271464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 272464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 273464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 274464175bba1318bef7905122e9fda20cff926df78Chris Lattner 275464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 276464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 27798be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> getTypeInfo(QualType T); 278464175bba1318bef7905122e9fda20cff926df78Chris Lattner 279464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 280464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 28198be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 28298be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 283464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 284464175bba1318bef7905122e9fda20cff926df78Chris Lattner 285464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeAlign - Return the alignment of the specified type, in bits. This 286464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// method does not work on incomplete types. 28798be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 28898be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 289464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 290464175bba1318bef7905122e9fda20cff926df78Chris Lattner 29188a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 292464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 293464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 29498be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 295464175bba1318bef7905122e9fda20cff926df78Chris Lattner 296464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 297464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 298464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 299464175bba1318bef7905122e9fda20cff926df78Chris Lattner 30077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 30177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 30277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 30377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 30477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 30577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 30677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 30777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 308e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 309e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 310e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 311e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 312e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 313e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 314e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 315e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 3177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 3187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 3197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 320a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 321a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 322a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 323a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 324a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 325a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 327716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 328716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 329716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 330716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 331f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 332f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 333ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 334ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 335ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 336ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 337ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 338ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 339ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 340ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool pointerTypesAreCompatible(QualType, QualType); // C99 6.7.5.1p2 341ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool referenceTypesAreCompatible(QualType, QualType); // C++ 5.17p6 342ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool functionTypesAreCompatible(QualType, QualType); // C99 6.7.5.3p15 343ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 344a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 34545ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 34645ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 347ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 348ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 349a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 35045ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 35145ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 3528baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 3538baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 354a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 355a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 3568baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 3578baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 3588baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 359368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 360368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner // Serialization 361368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 362368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 363368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner void Emit(llvm::Serializer& S) const; 364368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner static ASTContext* Create(llvm::Deserializer& D); 365368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 377