ASTContext.h revision fa23c1d9adc99c662c1c0e192817185809d95614
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.h - Context to hold long-lived AST nodes ----*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_ASTCONTEXT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_ASTCONTEXT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 172e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#include "clang/Basic/IdentifierTable.h" 18e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek#include "clang/Basic/LangOptions.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Builtins.h" 202e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#include "clang/AST/DeclarationName.h" 21e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/DeclBase.h" 22464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "clang/AST/Type.h" 23e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/Basic/SourceLocation.h" 24464175bba1318bef7905122e9fda20cff926df78Chris Lattner#include "llvm/ADT/DenseMap.h" 2568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff#include "llvm/ADT/FoldingSet.h" 267192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 276c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "llvm/Support/Allocator.h" 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnernamespace llvm { 31b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner struct fltSemantics; 32b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 33b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 35e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class ASTRecordLayout; 36e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Expr; 37c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner class IdentifierTable; 38e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SelectorTable; 39e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class SourceManager; 40d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor class TargetInfo; 41e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar // Decls 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class Decl; 43c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar class ObjCPropertyDecl; 44e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class RecordDecl; 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TagDecl; 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TranslationUnitDecl; 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypeDecl; 48e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar class TypedefDecl; 4972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 50efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class FieldDecl; 51efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarRefExpr; 52efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian class ObjCIvarDecl; 53efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ASTContext - This class holds long-lived AST nodes (such as types and 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// decls) that can be referred to throughout the semantic analysis of a file. 562bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenekclass ASTContext { 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::vector<Type*> Types; 58ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb llvm::FoldingSet<ASQualType> ASQualTypes; 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ComplexType> ComplexTypes; 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<PointerType> PointerTypes; 615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSet<BlockPointerType> BlockPointerTypes; 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<ReferenceType> ReferenceTypes; 637192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek llvm::FoldingSet<ConstantArrayType> ConstantArrayTypes; 64c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSet<IncompleteArrayType> IncompleteArrayTypes; 65c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman std::vector<VariableArrayType*> VariableArrayTypes; 66898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor std::vector<DependentSizedArrayType*> DependentSizedArrayTypes; 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<VectorType> VectorTypes; 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeNoProto> FunctionTypeNoProtos; 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSet<FunctionTypeProto> FunctionTypeProtos; 70a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedInterfaceType> ObjCQualifiedInterfaceTypes; 71a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::FoldingSet<ObjCQualifiedIdType> ObjCQualifiedIdTypes; 7288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// ASTRecordLayouts - A cache mapping from RecordDecls to ASTRecordLayouts. 73a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is lazily created. This is intentionally not serialized. 7488a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*> ASTRecordLayouts; 7544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel llvm::DenseMap<const ObjCInterfaceDecl*, 7644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout*> ASTObjCInterfaces; 777d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian 78a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian llvm::DenseMap<const ObjCInterfaceDecl*, 79a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl*> ASTRecordForInterface; 80efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr*, const FieldDecl*> ASTFieldForIvarRef; 81a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 82b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// BuiltinVaListType - built-in va list type. 83b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// This is initially null and set by Sema::LazilyCreateBuiltin when 84b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson /// a builtin that takes a valist is encountered. 85b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType BuiltinVaListType; 867e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 876083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCIdType - a pseudo built-in typedef type (set by Sema). 88a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCIdType; 897e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *IdStructType; 902198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 916083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCSelType - another pseudo built-in typedef type (set by Sema). 92a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCSelType; 93b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *SelStructType; 94b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 956083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCProtoType - another pseudo built-in typedef type (set by Sema). 96a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCProtoType; 97390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian const RecordType *ProtoStructType; 988baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 996083ea3723ec3996ae3bdf8d1b352b0c3b3922c8Ted Kremenek /// ObjCClassType - another pseudo built-in typedef type (set by Sema). 100a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCClassType; 1018baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *ClassStructType; 102390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 103a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType ObjCConstantStringType; 1042198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff RecordDecl *CFConstantStringTypeDecl; 1057a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek 106bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson RecordDecl *ObjCFastEnumerationStateTypeDecl; 107bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 108ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 109ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 110e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// SourceMgr - The associated SourceManager object. 111b800dc2d5e27ec60f567567b623cdc61152b8fb8Chris Lattner SourceManager &SourceMgr; 112e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 113e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// LangOpts - The language options used to create the AST associated with 114e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// this ASTContext object. 115e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LangOpts; 116e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 117e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek /// Allocator - The allocator object used to create AST objects. 1186c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner llvm::MallocAllocator Allocator; 119e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 1207a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekpublic: 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 12271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson IdentifierTable &Idents; 12329238a0bf7cbf5b396efb451a0adb5fe4aa037caSteve Naroff SelectorTable &Selectors; 1242e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameTable DeclarationNames; 1252e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1267a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenek SourceManager& getSourceManager() { return SourceMgr; } 127e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek llvm::MallocAllocator &getAllocator() { return Allocator; } 128e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek const LangOptions& getLangOptions() const { return LangOpts; } 1296c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1309c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek FullSourceLoc getFullLoc(SourceLocation Loc) const { 1319c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek return FullSourceLoc(Loc,SourceMgr); 1329c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek } 133ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 134ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *getTranslationUnitDecl() const { return TUDecl; } 135ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 136a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// This is intentionally not serialized. It is populated by the 137a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// ASTContext ctor, and there are no external pointers/references to 138a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek /// internal variables of BuiltinInfo. 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Builtin::Context BuiltinInfo; 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Builtin Types. 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType VoidTy; 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType BoolTy; 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CharTy; 14564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType WCharTy; // [C++ 3.9.1p5] 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType SignedCharTy, ShortTy, IntTy, LongTy, LongLongTy; 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedCharTy, UnsignedShortTy, UnsignedIntTy, UnsignedLongTy; 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType UnsignedLongLongTy; 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatTy, DoubleTy, LongDoubleTy; 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType FloatComplexTy, DoubleComplexTy, LongDoubleComplexTy; 15133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian QualType VoidPtrTy; 1528e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor QualType OverloadTy; 153898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType DependentTy; 1548e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 155e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek ASTContext(const LangOptions& LOpts, SourceManager &SM, TargetInfo &t, 156e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek IdentifierTable &idents, SelectorTable &sels, 157e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar unsigned size_reserve=0); 158fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~ASTContext(); 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 16203ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek const std::vector<Type*>& getTypes() const { return Types; } 16303ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek 164464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 165464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Constructors 166464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 167d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 168f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// getASQualType - Return the uniqued reference to the type for an address 169f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// space qualified type with the specified type and address space. The 170f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner /// resulting type has a union of the qualifiers from T and the address space. 171f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // If T already has an address space specifier, it is silently replaced. 172ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb QualType getASQualType(QualType T, unsigned AddressSpace); 173ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getComplexType - Return the uniqued reference to the type for a complex 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// number with the specified element type. 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComplexType(QualType T); 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getPointerType - Return the uniqued reference to the type for a pointer to 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the specified type. 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getPointerType(QualType T); 1815618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// getBlockPointerType - Return the uniqued reference to the type for a block 1835618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff /// of the specified type. 1845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getBlockPointerType(QualType T); 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getReferenceType - Return the uniqued reference to the type for a 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference to the specified type. 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getReferenceType(QualType T); 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 190bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getVariableArrayType - Returns a non-unique reference to the type for a 191bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// variable array of the specified element type. 192c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getVariableArrayType(QualType EltTy, Expr *NumElts, 193c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 194c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 195898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 196898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// getDependentSizedArrayType - Returns a non-unique reference to 197898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// the type for a dependently-sized array of the specified element 198898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// type. FIXME: We will need these to be uniqued, or at least 199898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// comparable, at some point. 200898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 201fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman ArrayType::ArraySizeModifier ASM, 202fea8685bf3036b199c573e70b03affde2583fc44Nate Begeman unsigned EltTypeQuals); 203fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 204c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// getIncompleteArrayType - Returns a unique reference to the type for a 205c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman /// incomplete array of the specified element type. 206c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType getIncompleteArrayType(QualType EltTy, 207c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 208c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals); 209c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 210bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// getConstantArrayType - Return the unique reference to the type for a 211bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff /// constant array of the specified element type. 212c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, 213c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 214c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals); 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21673322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// getVectorType - Return the unique reference to a vector type of 21773322924127c873c13101b705dd823f5539ffa5fSteve Naroff /// the specified element type and size. VectorType must be a built-in type. 21873322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType getVectorType(QualType VectorType, unsigned NumElts); 21973322924127c873c13101b705dd823f5539ffa5fSteve Naroff 220213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// getExtVectorType - Return the unique reference to an extended vector type 221213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// of the specified element type and size. VectorType must be a built-in 222213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman /// type. 223213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType getExtVectorType(QualType VectorType, unsigned NumElts); 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionTypeNoProto - Return a K&R style C function type like 'int()'. 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getFunctionTypeNoProto(QualType ResultTy); 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getFunctionType - Return a normal function type with a typed argument 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// list. isVariadic indicates whether the argument list includes '...'. 23186da77fdaf4c0237eafb9670f54eee20b08635bfEli Friedman QualType getFunctionType(QualType ResultTy, const QualType *ArgArray, 232971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 2337fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis unsigned TypeQuals); 2342ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2352ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// getTypeDeclType - Return the unique reference to the type for 2362ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor /// the specified type declaration. 2374b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl=0); 2382ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTypedefType - Return the unique reference to the type for the 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified typename decl. 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTypedefType(TypedefDecl *Decl); 24272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor QualType getTemplateTypeParmType(TemplateTypeParmDecl *Decl); 243a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCInterfaceType(ObjCInterfaceDecl *Decl); 2444b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 245a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedInterfaceType - Return a 246a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCQualifiedInterfaceType type for the given interface decl and 2474b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian /// the conforming protocol list. 248a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 249a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ProtocolList, unsigned NumProtocols); 250c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 251a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for a 252c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian /// given 'id' and conforming protocol list. 25362f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner QualType getObjCQualifiedIdType(ObjCProtocolDecl **ProtocolList, 254c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols); 255c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 257d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff /// getTypeOfType - GCC extension. 2588d1a3b8ca1e5fcc4567b5a6f51d82be2e460de1cSteve Naroff QualType getTypeOfExpr(Expr *e); 259d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getTypeOfType(QualType t); 260d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTagDeclType - Return the unique reference to the type for the 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified TagDecl (struct/union/class/enum) decl. 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getTagDeclType(TagDecl *Decl); 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getSizeType - Return the unique type for "size_t" (C99 7.17), defined 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in <stddef.h>. The sizeof operator requires this (C99 6.5.3.4p4). 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getSizeType() const; 268fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman 26955f4b02bc71e7347986c6a5249bef635aac1901aArgyrios Kyrtzidis /// getWCharType - Return the unique type for "wchar_t" (C99 7.17), defined 270fd888a581d6d329f5b447c8ff4d37cf396315993Eli Friedman /// in <stddef.h>. Wide strings require this (C99 6.4.5p5). 27155f4b02bc71e7347986c6a5249bef635aac1901aArgyrios Kyrtzidis QualType getWCharType() const; 27264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 27364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getSignedWCharType - Return the type of "signed wchar_t". 27464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 27564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getSignedWCharType() const; 27664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 27764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// getUnsignedWCharType - Return the type of "unsigned wchar_t". 27864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis /// Used when in C++, as a GCC extension. 27964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis QualType getUnsignedWCharType() const; 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2818b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 2828b9023ba35a86838789e2c9034a6128728c547aaChris Lattner /// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 2838b9023ba35a86838789e2c9034a6128728c547aaChris Lattner QualType getPointerDiffType() const; 2848b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 285beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // getCFConstantStringType - Return the C structure type used to represent 286beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // constant CFStrings. 28771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson QualType getCFConstantStringType(); 28871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 289983df5b2280980e59b0b062bcc2882230465a61eSteve Naroff // This setter/getter represents the ObjC type for an NSConstantString. 290a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCConstantStringInterface(ObjCInterfaceDecl *Decl); 291a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCConstantStringInterface() const { 292a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return ObjCConstantStringType; 2932198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff } 294b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 295bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson //// This gets the struct used to keep track of fast enumerations. 296bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType getObjCFastEnumerationStateType(); 297bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 298d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// getObjCEncodingForType - Emit the ObjC type encoding for the 299d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// given type into \arg S. If \arg NameFields is specified then 300d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar /// record field names are also encoded. 3017d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian void getObjCEncodingForType(QualType t, std::string &S, 30243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FieldDecl *Field=NULL) const; 303a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 304a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian void getLegacyIntegralTypeEncoding(QualType &t) const; 30533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 306ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Put the string version of type qualifiers into S. 307a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 308ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string &S) const; 309ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 310a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingForMethodDecl - Return the encoded type for this method 31133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// declaration. 312c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar void getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, std::string &S); 313c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 314c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// getObjCEncodingForPropertyDecl - Return the encoded type for 315c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// this method declaration. If non-NULL, Container must be either 316c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// an ObjCCategoryImplDecl or ObjCImplementationDecl; it should 317c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar /// only be NULL when getting encodings for protocol properties. 31877a49f6b1e5741f6bda71eb7837b43343925027bArgyrios Kyrtzidis void getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 319c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 320c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar std::string &S); 32133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 322a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// getObjCEncodingTypeSize returns size of type for objective-c encoding 32333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian /// purpose. 324a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek int getObjCEncodingTypeSize(QualType t); 32585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 326d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter represents the ObjC 'id' type. It is setup lazily, by 327d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. id is always a (typedef for a) pointer type, a pointer to a struct. 328a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCIdType() const { return ObjCIdType; } 329d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCIdType(TypedefDecl *Decl); 330b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 331a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCSelType(TypedefDecl *Decl); 332a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCSelType() const { return ObjCSelType; } 333b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 334a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCProtoType(QualType QT); 335a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCProtoType() const { return ObjCProtoType; } 336390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 337d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// This setter/getter repreents the ObjC 'Class' type. It is setup lazily, by 338d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// Sema. 'Class' is always a (typedef for a) pointer type, a pointer to a 339d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner /// struct. 340a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getObjCClassType() const { return ObjCClassType; } 341d85376aa66bc16488539f6bb11f97d0170b1fe6bChris Lattner void setObjCClassType(TypedefDecl *Decl); 3428baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 343b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson void setBuiltinVaListType(QualType T); 344b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson QualType getBuiltinVaListType() const { return BuiltinVaListType; } 345b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 346d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorprivate: 347d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor QualType getFromTargetType(unsigned Type) const; 348b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 349464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 350b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Type Predicates. 351b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 352d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor 353d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregorpublic: 354b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// isObjCObjectPointerType - Returns true if type is an Objective-C pointer 355b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to an object type. This includes "id" and "Class" (two 'special' pointers 356b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified 357b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek /// ID type). 358b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek bool isObjCObjectPointerType(QualType Ty) const; 359fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 360fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// isObjCNSObjectType - Return true if this is an NSObject object with 361fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian /// its NSObject attribute set. 362fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian bool isObjCNSObjectType(QualType Ty) const; 363b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 364b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek //===--------------------------------------------------------------------===// 365464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Sizing and Analysis 366464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 367464175bba1318bef7905122e9fda20cff926df78Chris Lattner 368b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 369b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner /// scalar floating point type. 370b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatTypeSemantics(QualType T) const; 371b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 372464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeInfo - Get the size and alignment of the specified complete type in 373464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// bits. 3741d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(const Type *T); 3751d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar std::pair<uint64_t, unsigned> getTypeInfo(QualType T) { 3761d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T.getTypePtr()); 3771d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 378464175bba1318bef7905122e9fda20cff926df78Chris Lattner 379464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeSize - Return the size of the specified type, in bits. This method 380464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// does not work on incomplete types. 38198be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t getTypeSize(QualType T) { 38298be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).first; 383464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 3841d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar uint64_t getTypeSize(const Type *T) { 3851d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).first; 3861d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 387464175bba1318bef7905122e9fda20cff926df78Chris Lattner 388464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// getTypeAlign - Return the alignment of the specified type, in bits. This 389464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// method does not work on incomplete types. 39098be4943e8dc4f3905629a7102668960873cf863Chris Lattner unsigned getTypeAlign(QualType T) { 39198be4943e8dc4f3905629a7102668960873cf863Chris Lattner return getTypeInfo(T).second; 392464175bba1318bef7905122e9fda20cff926df78Chris Lattner } 3931d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar unsigned getTypeAlign(const Type *T) { 3941d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return getTypeInfo(T).second; 3951d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 396464175bba1318bef7905122e9fda20cff926df78Chris Lattner 39788a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getASTRecordLayout - Get or compute information about the layout of the 398464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// specified record (struct/union/class), which indicates its size and field 399464175bba1318bef7905122e9fda20cff926df78Chris Lattner /// position information. 40098be4943e8dc4f3905629a7102668960873cf863Chris Lattner const ASTRecordLayout &getASTRecordLayout(const RecordDecl *D); 401464175bba1318bef7905122e9fda20cff926df78Chris Lattner 40244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D); 403a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const RecordDecl *addRecordToClass(const ObjCInterfaceDecl *D); 404efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const FieldDecl *getFieldDecl(const ObjCIvarRefExpr *MRef) { 405efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian llvm::DenseMap<const ObjCIvarRefExpr *, const FieldDecl*>::iterator I 406efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian = ASTFieldForIvarRef.find(MRef); 407efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian assert (I != ASTFieldForIvarRef.end() && "Unable to find field_decl"); 408efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian return I->second; 409efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian } 410efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian void setFieldDecl(const ObjCInterfaceDecl *OI, 411efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarDecl *Ivar, 412efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarRefExpr *MRef); 413464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 414464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Type Operators 415464175bba1318bef7905122e9fda20cff926df78Chris Lattner //===--------------------------------------------------------------------===// 416464175bba1318bef7905122e9fda20cff926df78Chris Lattner 41777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// getCanonicalType - Return the canonical (structural) type corresponding to 41877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// the specified potentially non-canonical type. The non-canonical version 41977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// of a type may have many "decorated" versions of types. Decorators can 42077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 42177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// to be free of any of these, allowing two canonical types to be compared 42277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner /// for exact equality with a simple pointer comparison. 42377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType getCanonicalType(QualType T); 4241d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const Type *getCanonicalType(const Type *T) { 4251d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar return T->getCanonicalTypeInternal().getTypePtr(); 4261d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar } 42777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 428c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// Type Query functions. If the type is an instance of the specified class, 429c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// return the Type pointer for the underlying maximally pretty type. This 430c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// is a member of ASTContext because this may need to do some amount of 431c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// canonicalization, e.g. to move type qualifiers into the element type. 432c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *getAsArrayType(QualType T); 433c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ConstantArrayType *getAsConstantArrayType(QualType T) { 434c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<ConstantArrayType>(getAsArrayType(T)); 435c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 436c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *getAsVariableArrayType(QualType T) { 437c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<VariableArrayType>(getAsArrayType(T)); 438c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 439c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const IncompleteArrayType *getAsIncompleteArrayType(QualType T) { 440c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return dyn_cast_or_null<IncompleteArrayType>(getAsArrayType(T)); 441c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 4426183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 4436183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// getBaseElementType - Returns the innermost element type of a variable 4446183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson /// length array type. For example, will return "int" for int[m][n] 4456183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType getBaseElementType(const VariableArrayType *VAT); 446c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 447e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// getArrayDecayedType - Return the properly qualified result of decaying the 448e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// specified array type to a pointer. This operation is non-trivial when 449e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// handling typedefs etc. The canonical type of "T" must be an array type, 450e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// this returns a pointer to a properly qualified element of the array. 451e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// 452e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner /// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 453e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner QualType getArrayDecayedType(QualType T); 454e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 4557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// getIntegerTypeOrder - Returns the highest ranked integer type: 4567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 4577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner /// LHS < RHS, return -1. 4587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner int getIntegerTypeOrder(QualType LHS, QualType RHS); 459a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 460a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// getFloatingTypeOrder - Compare the rank of the two specified floating 461a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// point types, ignoring the domain of the type (i.e. 'double' == 462a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 463a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner /// LHS < RHS, return -1. 464a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner int getFloatingTypeOrder(QualType LHS, QualType RHS); 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 466716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// getFloatingTypeOfSizeWithinDomain - Returns a real floating 467716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// point or a complex type (based on typeDomain/typeSize). 468716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeDomain' is a real floating point or complex type. 469716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff /// 'typeSize' is a real floating point or complex type. 470f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType getFloatingTypeOfSizeWithinDomain(QualType typeSize, 471f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff QualType typeDomain) const; 472ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 473ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 474ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff // Type Compatibility Predicates 475ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff //===--------------------------------------------------------------------===// 476ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 477ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff /// Compatibility predicates used to check assignment expressions. 478ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 4791c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff bool typesAreBlockCompatible(QualType lhs, QualType rhs); 480ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 481a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCIdType(QualType T) const { 48245ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!IdStructType) // ObjC isn't enabled 48345ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 484ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff return T->getAsStructureType() == IdStructType; 485ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 486a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCClassType(QualType T) const { 48745ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff if (!ClassStructType) // ObjC isn't enabled 48845ecd5daa36385b7e0b2f657357805e01f5d8cbfSteve Naroff return false; 4898baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == ClassStructType; 4908baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 491a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek bool isObjCSelType(QualType T) const { 492a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(SelStructType && "isObjCSelType used before 'SEL' type is built"); 4938baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return T->getAsStructureType() == SelStructType; 4948baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson } 4958baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check the safety of assignment from LHS to RHS 4973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 4983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS); 4993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Functions for calculating composite types 5013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeTypes(QualType, QualType); 5023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType mergeFunctionTypes(QualType, QualType); 5033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 504368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 505ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Integer Predicates 506ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 507ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 508ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // The width of an integer, as defined in C99 6.2.6.2. This is the number 509ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // of bits in an integer type excluding any padding bits. 510ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman unsigned getIntWidth(QualType T); 511ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 512ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // Per C99 6.2.5p6, for every signed integer type, there is a corresponding 513ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // unsigned integer type. This method takes a signed type, and returns the 514ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman // corresponding unsigned integer type. 515ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman QualType getCorrespondingUnsignedType(QualType T); 516ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 517ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman //===--------------------------------------------------------------------===// 518e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek // Type Iterators. 519e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 520e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 521e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::iterator type_iterator; 522e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek typedef std::vector<Type*>::const_iterator const_type_iterator; 523e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 524e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_begin() { return Types.begin(); } 525e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek type_iterator types_end() { return Types.end(); } 526e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_begin() const { return Types.begin(); } 527e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek const_type_iterator types_end() const { return Types.end(); } 528e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek 529e22d911dcff7a9c18b583817b7319c07600fd3eeTed Kremenek //===--------------------------------------------------------------------===// 530368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner // Serialization 531368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner //===--------------------------------------------------------------------===// 532368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 533368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner void Emit(llvm::Serializer& S) const; 534368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner static ASTContext* Create(llvm::Deserializer& D); 535368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext(const ASTContext&); // DO NOT IMPLEMENT 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void operator=(const ASTContext&); // DO NOT IMPLEMENT 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinTypes(); 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void InitBuiltinType(QualType &R, BuiltinType::Kind K); 5424b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 54344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor /// setTagDefinition - Used by RecordDecl::completeDefinition and 54444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor /// EnumDecl::completeDefinition to inform 54544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor /// about which RecordDecl/EnumDecl serves as the definition of a particular 54644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor /// struct/union/class/enum. 5474b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek void setTagDefinition(TagDecl* R); 54844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor friend class EnumDecl; 5494b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek friend class RecordDecl; 55082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 55182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // Return the ObjC type encoding for a given type. 55282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar void getObjCEncodingForTypeImpl(QualType t, std::string &S, 55382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 55482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 5555b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian FieldDecl *Field, 5565b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian bool OutermostType = false) const; 55782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 563