ASTContext.h revision 1c7d067550c2d9bca8997d0e67ee6b280d493202
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" 19e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/DeclBase.h" 20464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 21e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/Basic/SourceLocation.h" 22464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.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 28b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 29b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 30b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 31b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 33e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 34e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 35c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 36e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TargetInfo; 37e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 38e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 39e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 40e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 41c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 43e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 44e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 502bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 52ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb llvm::FoldingSet<ASQualType> ASQualTypes; 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ReferenceType> ReferenceTypes; 577192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 58c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 59c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeNoProto> FunctionTypeNoProtos; 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeProto> FunctionTypeProtos; 63a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 64a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedIdType> ObjCQualifiedIdTypes; 6588a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 66a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 6788a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 6844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel llvm::DenseMap<const ObjCInterfaceDecl*, 6944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout*> ASTObjCInterfaces; 707d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian 717d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian llvm::SmallVector<const RecordType *, 8> EncodingRecordTypes; 72b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 73b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 74b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 75b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 76b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 777e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 786083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 79a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 807e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 812198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 826083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 83a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 84b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 85b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 866083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 87a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 88390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 898baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 906083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 91a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 928baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 93390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 94a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 952198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 967a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 97bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 98bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 99ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 100ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 101e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 102b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 103e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 104e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 105e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 106e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 107e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 108e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// Allocator - The allocator object used to create AST objects. 1096c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner llvm::MallocAllocator Allocator; 110e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 1117a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekpublic: 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 11371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 11429238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 115a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek 1167a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 117e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek llvm::MallocAllocator &getAllocator() { return Allocator; } 118e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 1196c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1209c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 1219c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 1229c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 123ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 124ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 125ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 126a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 127a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 128a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 13564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType WCharTy; // [C++ 3.9.1p5] 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 14133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 143e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 144e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek IdentifierTable &idents, SelectorTable &sels, 145e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar unsigned size_reserve=0); 146fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 15003ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 15103ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 152464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 153464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 154464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 155d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 156f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// getASQualType - Return the uniqued reference to the type for an address 157f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// space qualified type with the specified type and address space. The 158f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// resulting type has a union of the qualifiers from T and the address space. 159f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // If T already has an address space specifier, it is silently replaced. 160ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb QualType getASQualType(QualType T, unsigned AddressSpace); 161ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 1695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 1715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 1725618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getReferenceType - Return the uniqued reference to the type for a 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference to the specified type. 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getReferenceType(QualType T); 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 178bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 179bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 180c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 181c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 182c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 183fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 184c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 185c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 186c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 187c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 188c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 189c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 190bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 191bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 192c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 193c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 194c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19673322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 19773322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 19873322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 19973322924127c873c13101b705dd823f5539ffa5fSteve Naroff 200213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 201213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 202213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 203213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionTypeNoProto - Return a K&R style C function type like 'int()'. 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionTypeNoProto(QualType ResultTy); 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 21186da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs, bool isVariadic); 2132ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2142ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 2152ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 2162ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor QualType getTypeDeclType(TypeDecl *Decl); 2172ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 221a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCInterfaceType(ObjCInterfaceDecl *Decl); 2224b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 223a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 224a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 2254b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 226a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 227a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ProtocolList, unsigned NumProtocols); 228c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 229a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 230c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 23162f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner QualType getObjCQualifiedIdType(ObjCProtocolDecl **ProtocolList, 232c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 233c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 235d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 2368d1a3b8ca1e5fcc4567b5a6f51d82be2e460de1cSteve Naroff QualType getTypeOfExpr(Expr *e); 237d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 238d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 246fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 24755f4b02bc71e7347986c6a5249bef635aac1901aArgyrios Kyrtzidis /// getWCharType - Return the unique type for "wchar_t" (C99 7.17), defined 248fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman /// in <stddef.h>. Wide strings require this (C99 6.4.5p5). 24955f4b02bc71e7347986c6a5249bef635aac1901aArgyrios Kyrtzidis QualType getWCharType() const; 25064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 25164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 25264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 25364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 25464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 25564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 25664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 25764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2598b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 2608b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 2618b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 2628b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 263beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 264beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 26571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 26671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 267983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 268a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 269a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 270a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 2712198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 272b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 273bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 274bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 275bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 27685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // Return the ObjC type encoding for a given type. 2777d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 278c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner llvm::SmallVector<const RecordType*,8> &RT) const; 27933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 280ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 281a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 282ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 283ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 284a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 28533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 286c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 287c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 288c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 289c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 290c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 291c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 29277a49f6b1e5741f6bda71eb7837b43343925027bArgyrios Kyrtzidis void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 293c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 294c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 29533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 296a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 29733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 298a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 29985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 300d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 301d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 302a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 303d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCIdType(TypedefDecl *Decl); 304b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 305a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCSelType(TypedefDecl *Decl); 306a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 307b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 308a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 309a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 310390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 311d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 312d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 313d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 314a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 315d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCClassType(TypedefDecl *Decl); 3168baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 317b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 318b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 319b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 320464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 321b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 322b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 323b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 324b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// isObjCObjectPointerType - Returns true if type is an Objective-C pointer 325b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to an object type. This includes "id" and "Class" (two 'special' pointers 326b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified 327b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// ID type). 328b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek bool isObjCObjectPointerType(QualType Ty) const; 329b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 330b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 331464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 332464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 333464175bba1318bef7905122e9fda20cff926df78Chris Lattner 334b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 335b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 336b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 337b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 338464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 339464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 34098be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> getTypeInfo(QualType T); 341464175bba1318bef7905122e9fda20cff926df78Chris Lattner 342464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 343464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 34498be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 34598be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 346464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 347464175bba1318bef7905122e9fda20cff926df78Chris Lattner 348464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeAlign - Return the alignment of the specified type, in bits. This 349464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// method does not work on incomplete types. 35098be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 35198be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 352464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 353464175bba1318bef7905122e9fda20cff926df78Chris Lattner 35488a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 355464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 356464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 35798be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 358464175bba1318bef7905122e9fda20cff926df78Chris Lattner 35944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 360464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 361464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 362464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 363464175bba1318bef7905122e9fda20cff926df78Chris Lattner 36477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 36577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 36677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 36777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 36877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 36977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 37077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 37177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 372c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 373c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 374c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 375c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 376c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 377c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 378c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 379c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 380c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 381c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 382c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 383c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 384c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 385c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 386c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 387e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 388e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 389e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 390e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 391e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 392e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 393e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 394e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 3967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 3977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 3987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 399a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 400a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 401a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 402a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 403a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 404a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 406716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 407716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 408716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 409716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 410f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 411f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 412ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 413ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 414ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 415ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 416ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 417ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 418ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 4191c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff bool typesAreBlockCompatible(QualType lhs, QualType rhs); 420ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 421a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 42245ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 42345ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 424ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 425ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 426a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 42745ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 42845ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 4298baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 4308baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 431a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 432a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 4338baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 4348baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 4358baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 4373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 4383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 4393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 4413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 4423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 4433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 444368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 445ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 446ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 447ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 448ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 449ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 450ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 451ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 452ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 453ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 454ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 455ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 456ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 457ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 458368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner // Serialization 459368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 460368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 461368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner void Emit(llvm::Serializer& S) const; 462368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner static ASTContext* Create(llvm::Deserializer& D); 463368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 475