ASTContext.cpp revision 2cf2634ffdb4f7c8d46cef3f8e60a55993f1c57a
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.cpp - Context to hold long-lived AST nodes ------------===// 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 implements the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/ASTContext.h" 1549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis#include "clang/AST/DeclCXX.h" 16980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 17aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 18e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 192cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/RecordLayout.h" 21a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 2385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 247192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek#include "llvm/Bitcode/Serialize.h" 257192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek#include "llvm/Bitcode/Deserialize.h" 266fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 27557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner#include "llvm/Support/MemoryBuffer.h" 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3461710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 3561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner TargetInfo &t, 36e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 37c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff bool FreeMem, unsigned size_reserve) : 38ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0), 39ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ObjCFastEnumerationStateTypeDecl(0), SourceMgr(SM), LangOpts(LOpts), 402cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor FreeMemory(FreeMem), Target(t), Idents(idents), Selectors(sels), 412cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource(0) { 42e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar if (size_reserve > 0) Types.reserve(size_reserve); 43e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar InitBuiltinTypes(); 447644f0726c310ec4224085eaea5f9aff8b957d90Chris Lattner BuiltinInfo.InitializeBuiltins(idents, Target, LangOpts.NoBuiltin); 45e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Deallocate all the types. 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (!Types.empty()) { 514b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek Types.back()->Destroy(*this); 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.pop_back(); 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 54b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman 55b74668edbc119880eb0a7e563432314432cb775dNuno Lopes { 56b74668edbc119880eb0a7e563432314432cb775dNuno Lopes llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 57b74668edbc119880eb0a7e563432314432cb775dNuno Lopes I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); 58b74668edbc119880eb0a7e563432314432cb775dNuno Lopes while (I != E) { 59b74668edbc119880eb0a7e563432314432cb775dNuno Lopes ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second); 60b74668edbc119880eb0a7e563432314432cb775dNuno Lopes delete R; 61b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 62b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 63b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 64b74668edbc119880eb0a7e563432314432cb775dNuno Lopes { 65b74668edbc119880eb0a7e563432314432cb775dNuno Lopes llvm::DenseMap<const ObjCInterfaceDecl*, const ASTRecordLayout*>::iterator 66b74668edbc119880eb0a7e563432314432cb775dNuno Lopes I = ASTObjCInterfaces.begin(), E = ASTObjCInterfaces.end(); 67b74668edbc119880eb0a7e563432314432cb775dNuno Lopes while (I != E) { 68b74668edbc119880eb0a7e563432314432cb775dNuno Lopes ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second); 69b74668edbc119880eb0a7e563432314432cb775dNuno Lopes delete R; 70b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 71b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 72b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 73b74668edbc119880eb0a7e563432314432cb775dNuno Lopes { 742349925b505564915f786583238266840801b689Chris Lattner llvm::DenseMap<const ObjCInterfaceDecl*, RecordDecl*>::iterator 75b74668edbc119880eb0a7e563432314432cb775dNuno Lopes I = ASTRecordForInterface.begin(), E = ASTRecordForInterface.end(); 76b74668edbc119880eb0a7e563432314432cb775dNuno Lopes while (I != E) { 772349925b505564915f786583238266840801b689Chris Lattner RecordDecl *R = (I++)->second; 78b74668edbc119880eb0a7e563432314432cb775dNuno Lopes R->Destroy(*this); 79b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 80b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 81b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 82ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor // Destroy nested-name-specifiers. 831ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor for (llvm::FoldingSet<NestedNameSpecifier>::iterator 841ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNS = NestedNameSpecifiers.begin(), 851ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNSEnd = NestedNameSpecifiers.end(); 86e7dcd782df0e1cc3a63e429a866098e69db39153Douglas Gregor NNS != NNSEnd; 871ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor /* Increment in loop */) 881ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor (*NNS++).Destroy(*this); 89ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 90ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor if (GlobalNestedNameSpecifier) 91ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier->Destroy(*this); 92ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 93b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman TUDecl->Destroy(*this); 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 962cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid 972cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 982cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 992cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 1002cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumBuiltin = 0, NumPointer = 0, NumArray = 0, NumFunctionP = 0; 105248e1c01d3c9de4b62bdd291e0b99a91552cc487Daniel Dunbar unsigned NumVector = 0, NumComplex = 0, NumBlockPointer = 0; 1067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl unsigned NumFunctionNP = 0, NumTypeName = 0, NumTagged = 0; 1077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl unsigned NumLValueReference = 0, NumRValueReference = 0, NumMemberPointer = 0; 1087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumTagStruct = 0, NumTagUnion = 0, NumTagEnum = 0, NumTagClass = 0; 110a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek unsigned NumObjCInterfaces = 0, NumObjCQualifiedInterfaces = 0; 111a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek unsigned NumObjCQualifiedIds = 0; 11272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor unsigned NumTypeOfTypes = 0, NumTypeOfExprTypes = 0; 113c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor unsigned NumExtQual = 0; 114c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isa<BuiltinType>(T)) 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++NumBuiltin; 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (isa<PointerType>(T)) 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++NumPointer; 121248e1c01d3c9de4b62bdd291e0b99a91552cc487Daniel Dunbar else if (isa<BlockPointerType>(T)) 122248e1c01d3c9de4b62bdd291e0b99a91552cc487Daniel Dunbar ++NumBlockPointer; 1237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl else if (isa<LValueReferenceType>(T)) 1247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl ++NumLValueReference; 1257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl else if (isa<RValueReferenceType>(T)) 1267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl ++NumRValueReference; 127f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else if (isa<MemberPointerType>(T)) 128f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ++NumMemberPointer; 1296d87fc66ca0e156c4144b692c9e71700b8c18d17Chris Lattner else if (isa<ComplexType>(T)) 1306d87fc66ca0e156c4144b692c9e71700b8c18d17Chris Lattner ++NumComplex; 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (isa<ArrayType>(T)) 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++NumArray; 1336d87fc66ca0e156c4144b692c9e71700b8c18d17Chris Lattner else if (isa<VectorType>(T)) 1346d87fc66ca0e156c4144b692c9e71700b8c18d17Chris Lattner ++NumVector; 13572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor else if (isa<FunctionNoProtoType>(T)) 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++NumFunctionNP; 13772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor else if (isa<FunctionProtoType>(T)) 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++NumFunctionP; 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (isa<TypedefType>(T)) 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++NumTypeName; 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (TagType *TT = dyn_cast<TagType>(T)) { 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ++NumTagged; 14339ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis switch (TT->getDecl()->getTagKind()) { 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown tagged type!"); 14539ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis case TagDecl::TK_struct: ++NumTagStruct; break; 14639ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis case TagDecl::TK_union: ++NumTagUnion; break; 14739ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis case TagDecl::TK_class: ++NumTagClass; break; 14839ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis case TagDecl::TK_enum: ++NumTagEnum; break; 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 150a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (isa<ObjCInterfaceType>(T)) 151a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ++NumObjCInterfaces; 152a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (isa<ObjCQualifiedInterfaceType>(T)) 153a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ++NumObjCQualifiedInterfaces; 154a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek else if (isa<ObjCQualifiedIdType>(T)) 155a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ++NumObjCQualifiedIds; 1566cc189648ade1d1c838f6bf22ffa0016d56393d3Steve Naroff else if (isa<TypeOfType>(T)) 1576cc189648ade1d1c838f6bf22ffa0016d56393d3Steve Naroff ++NumTypeOfTypes; 15872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor else if (isa<TypeOfExprType>(T)) 15972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor ++NumTypeOfExprTypes; 160c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor else if (isa<ExtQualType>(T)) 161c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor ++NumExtQual; 1623f128ad2691d299b96663da85a9e069c4081ea7cSteve Naroff else { 163beb663677aa20db59da4e5ab7d535804ec6f963cChris Lattner QualType(T, 0).dump(); 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(0 && "Unknown type!"); 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d builtin types\n", NumBuiltin); 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d pointer types\n", NumPointer); 170248e1c01d3c9de4b62bdd291e0b99a91552cc487Daniel Dunbar fprintf(stderr, " %d block pointer types\n", NumBlockPointer); 1717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl fprintf(stderr, " %d lvalue reference types\n", NumLValueReference); 1727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl fprintf(stderr, " %d rvalue reference types\n", NumRValueReference); 173f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl fprintf(stderr, " %d member pointer types\n", NumMemberPointer); 1746d87fc66ca0e156c4144b692c9e71700b8c18d17Chris Lattner fprintf(stderr, " %d complex types\n", NumComplex); 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d array types\n", NumArray); 1766d87fc66ca0e156c4144b692c9e71700b8c18d17Chris Lattner fprintf(stderr, " %d vector types\n", NumVector); 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d function types with proto\n", NumFunctionP); 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d function types with no proto\n", NumFunctionNP); 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d typename (typedef) types\n", NumTypeName); 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d tagged types\n", NumTagged); 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d struct types\n", NumTagStruct); 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d union types\n", NumTagUnion); 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d class types\n", NumTagClass); 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d enum types\n", NumTagEnum); 185a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek fprintf(stderr, " %d interface types\n", NumObjCInterfaces); 186beb663677aa20db59da4e5ab7d535804ec6f963cChris Lattner fprintf(stderr, " %d protocol qualified interface types\n", 187a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek NumObjCQualifiedInterfaces); 188c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian fprintf(stderr, " %d protocol qualified id types\n", 189a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek NumObjCQualifiedIds); 1906cc189648ade1d1c838f6bf22ffa0016d56393d3Steve Naroff fprintf(stderr, " %d typeof types\n", NumTypeOfTypes); 19172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor fprintf(stderr, " %d typeof exprs\n", NumTypeOfExprTypes); 192c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor fprintf(stderr, " %d attribute-qualified types\n", NumExtQual); 1937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "Total bytes = %d\n", int(NumBuiltin*sizeof(BuiltinType)+ 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NumPointer*sizeof(PointerType)+NumArray*sizeof(ArrayType)+ 1966d87fc66ca0e156c4144b692c9e71700b8c18d17Chris Lattner NumComplex*sizeof(ComplexType)+NumVector*sizeof(VectorType)+ 1977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl NumLValueReference*sizeof(LValueReferenceType)+ 1987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl NumRValueReference*sizeof(RValueReferenceType)+ 199f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl NumMemberPointer*sizeof(MemberPointerType)+ 20072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor NumFunctionP*sizeof(FunctionProtoType)+ 20172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor NumFunctionNP*sizeof(FunctionNoProtoType)+ 2026cc189648ade1d1c838f6bf22ffa0016d56393d3Steve Naroff NumTypeName*sizeof(TypedefType)+NumTagged*sizeof(TagType)+ 203c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor NumTypeOfTypes*sizeof(TypeOfType)+NumTypeOfExprTypes*sizeof(TypeOfExprType)+ 204c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor NumExtQual*sizeof(ExtQualType))); 2052cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2062cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 2072cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 2082cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 2092cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinType(QualType &R, BuiltinType::Kind K) { 214f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff Types.push_back((R = QualType(new (*this,8) BuiltinType(K),0)).getTypePtr()); 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 22698be4943e8dc4f3905629a7102668960873cf863Chris Lattner if (Target.isCharSigned()) 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 24864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 2493a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 2503a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 2513a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 2523a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 25364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 2548e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 255898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 256898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 257898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 258898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 259898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 260898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 261898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 262898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 2638e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 2688e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2697e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 270a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIdType = QualType(); 2717e219e47de26346885d667131977bd9ca2d7662aSteve Naroff IdStructType = 0; 272a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCClassType = QualType(); 2738baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson ClassStructType = 0; 2748baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 275a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 27633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 27733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 27833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 281464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 282464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 283464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 284a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 285b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 286b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 287b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 288b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const BuiltinType *BT = T->getAsBuiltinType(); 289b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 290b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 291b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 292b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 293b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 294b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 295b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 296b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 297b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 298af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// getDeclAlign - Return a conservative estimate of the alignment of the 299af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 300af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 301b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbarunsigned ASTContext::getDeclAlignInBytes(const Decl *D) { 302dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 303dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 304dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 305dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, AA->getAlignment()); 306dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 307af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 308af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 309af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner // Incomplete or function types default to 1. 310dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman if (!T->isIncompleteType() && !T->isFunctionType()) { 311dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 312dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 313dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 314dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 315dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 316af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 317dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 318dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman return Align / Target.getCharWidth(); 319af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 320b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 321a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 322a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 323d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 3241d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 325f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner T = getCanonicalType(T); 3265e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 3275e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 328a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 32972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 33072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 33172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 33272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 33372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 33472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Should not see non-canonical or dependent types"); 33572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 33672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 3375d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 3385d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 33972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 340b1c2df99ba67ec6c29ac7dceaa4eb2c8cda4a017Chris Lattner assert(0 && "Incomplete types have no size!"); 341fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 342fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff assert(0 && "VLAs not implemented yet!"); 343fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 3441d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 345030d8846c7e520330007087e949f621989876e3aChris Lattner 34698be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 3479e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 348030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 349030d8846c7e520330007087e949f621989876e3aChris Lattner break; 3505c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 351213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 352030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 353030d8846c7e520330007087e949f621989876e3aChris Lattner std::pair<uint64_t, unsigned> EltInfo = 35498be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<VectorType>(T)->getElementType()); 3559e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*cast<VectorType>(T)->getNumElements(); 3564bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 3576fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 3586fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 3596fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // FIXME: this should probably be a target property. 3606fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman Align = 1 << llvm::Log2_32_Ceil(Align); 361030d8846c7e520330007087e949f621989876e3aChris Lattner break; 362030d8846c7e520330007087e949f621989876e3aChris Lattner } 3635d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 3649e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 365a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 366692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 367d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 368d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner assert(0 && "Incomplete types have no size!"); 3696f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 3709e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 3719e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 3726f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 373692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 374692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 375692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 3766f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 3779e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 3789e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 3796f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 38064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 38164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 38264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 38364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 384692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 3856f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 3869e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 3879e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 3886f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 389692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 3906f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 3919e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 3929e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 3936f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 394692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 3956f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 3969e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 3979e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 3986f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 399692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 4006f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 4019e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 4029e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 4036f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 4046f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 4059e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 4069e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 4076f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 4086f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 4095426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 4105426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 4116f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 4126f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 4139e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 4149e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 4156f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 416a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 417bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 418f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman case Type::FixedWidthInt: 419f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // FIXME: This isn't precisely correct; the width/alignment should depend 420f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // on the available types for the target 421f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman Width = cast<FixedWidthIntType>(T)->getWidth(); 422736166b38235cf6d0ffb67638960d95fb2afcbd6Chris Lattner Width = std::max(llvm::NextPowerOf2(Width - 1), (uint64_t)8); 423f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman Align = Width; 424f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman break; 425f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian case Type::ExtQual: 42698be4943e8dc4f3905629a7102668960873cf863Chris Lattner // FIXME: Pointers into different addr spaces could have different sizes and 42798be4943e8dc4f3905629a7102668960873cf863Chris Lattner // alignment requirements: getPointerInfo should take an AddrSpace. 428f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian return getTypeInfo(QualType(cast<ExtQualType>(T)->getBaseType(), 0)); 429a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek case Type::ObjCQualifiedId: 4304bdf08770e75a068de2430e21a43b381aeb13b95Eli Friedman case Type::ObjCQualifiedClass: 43172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ObjCQualifiedInterface: 4325426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 433f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 4346f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 435485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 436485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 437485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 438485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 439485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 440485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 441f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 442f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 4435426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 444f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 445f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 446f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 4477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 4487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 4497ab2ed8e881ffdc84e890f5265c41b930df17ceeChris Lattner // "When applied to a reference or a reference type, the result is the size 4505d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // of the referenced type." C++98 5.3.3p2: expr.sizeof. 4516f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner // FIXME: This is wrong for struct layout: a reference in a struct has 4526f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner // pointer size. 453bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner return getTypeInfo(cast<ReferenceType>(T)->getPointeeType()); 454f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 4558edef7c31d27fc9d5d163660702a8a7730a0d19fSebastian Redl // FIXME: This is not only platform- but also ABI-dependent. We follow 456f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // the GCC ABI, where pointers to data are one pointer large, pointers to 457f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // functions two pointers. But if we want to support ABI compatibility with 4588edef7c31d27fc9d5d163660702a8a7730a0d19fSebastian Redl // other compilers too, we need to delegate this completely to TargetInfo 4598edef7c31d27fc9d5d163660702a8a7730a0d19fSebastian Redl // or some ABI abstraction layer. 460f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 461f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl unsigned AS = Pointee.getAddressSpace(); 462f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width = Target.getPointerWidth(AS); 463f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 464f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 465f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Align = Target.getPointerAlign(AS); 466f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // GCC aligns at single pointer width. 467f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 4685d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 4695d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 4705d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 4715d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner std::pair<uint64_t, unsigned> EltInfo = 47298be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 4739e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 4745d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 4755d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 4765d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 47744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 4781d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 47944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 48044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 48144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 48244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 48344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 48472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 48572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 4861d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 4871d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 4881d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 4898389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 4908389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 4918389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 4928389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 4938389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner 4941d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 4957176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 4967176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 4971d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 4987176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 4997176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 5007176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 501dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 502a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 5037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 5047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor case Type::TemplateSpecialization: 5057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor assert(false && "Dependent types have no size"); 5067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 5077176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 508d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 509464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 5109e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 511a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 512a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 51334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 51434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 51534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 51634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 51734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 51834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 51934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 52034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner // Doubles should be naturally aligned if possible. 521e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (T->isSpecificBuiltinType(BuiltinType::Double)) 522e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return std::max(ABIAlign, 64U); 52334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 52434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 52534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 52634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 52734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 5288b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel/// LayoutField - Field layout. 5298b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patelvoid ASTRecordLayout::LayoutField(const FieldDecl *FD, unsigned FieldNo, 5303b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar bool IsUnion, unsigned StructPacking, 5318b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel ASTContext &Context) { 5323b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar unsigned FieldPacking = StructPacking; 5338b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel uint64_t FieldOffset = IsUnion ? 0 : Size; 5348b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel uint64_t FieldSize; 5358b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel unsigned FieldAlign; 5363b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar 5373b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // FIXME: Should this override struct packing? Probably we want to 5383b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // take the minimum? 5393b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar if (const PackedAttr *PA = FD->getAttr<PackedAttr>()) 5403b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar FieldPacking = PA->getAlignment(); 5418b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 5428b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel if (const Expr *BitWidthExpr = FD->getBitWidth()) { 5438b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // TODO: Need to check this algorithm on other targets! 5448b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // (tested on Linux-X86) 54532442bbc98bafa512fa42d46fedf60ed7d79f574Daniel Dunbar FieldSize = 54632442bbc98bafa512fa42d46fedf60ed7d79f574Daniel Dunbar BitWidthExpr->getIntegerConstantExprValue(Context).getZExtValue(); 5478b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 5488b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel std::pair<uint64_t, unsigned> FieldInfo = 5498b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel Context.getTypeInfo(FD->getType()); 5508b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel uint64_t TypeSize = FieldInfo.first; 5518b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 5523b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // Determine the alignment of this bitfield. The packing 5533b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // attributes define a maximum and the alignment attribute defines 5543b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // a minimum. 5553b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // FIXME: What is the right behavior when the specified alignment 5563b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // is smaller than the specified packing? 5578b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldAlign = FieldInfo.second; 5583b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar if (FieldPacking) 5593b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar FieldAlign = std::min(FieldAlign, FieldPacking); 5608b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel if (const AlignedAttr *AA = FD->getAttr<AlignedAttr>()) 5618b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldAlign = std::max(FieldAlign, AA->getAlignment()); 5628b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 5638b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // Check if we need to add padding to give the field the correct 5648b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // alignment. 5658b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel if (FieldSize == 0 || (FieldOffset & (FieldAlign-1)) + FieldSize > TypeSize) 5668b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldOffset = (FieldOffset + (FieldAlign-1)) & ~(FieldAlign-1); 5678b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 5688b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // Padding members don't affect overall alignment 5698b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel if (!FD->getIdentifier()) 5708b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldAlign = 1; 5718b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel } else { 5728389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner if (FD->getType()->isIncompleteArrayType()) { 5738389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner // This is a flexible array member; we can't directly 5748b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // query getTypeInfo about these, so we figure it out here. 5758b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // Flexible array members don't have any size, but they 5768b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // have to be aligned appropriately for their element type. 5778b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldSize = 0; 578c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType* ATy = Context.getAsArrayType(FD->getType()); 5798b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldAlign = Context.getTypeAlign(ATy->getElementType()); 5808b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel } else { 5818b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel std::pair<uint64_t, unsigned> FieldInfo = 5828b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel Context.getTypeInfo(FD->getType()); 5838b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldSize = FieldInfo.first; 5848b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldAlign = FieldInfo.second; 5858b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel } 5868b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 5873b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // Determine the alignment of this bitfield. The packing 5883b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // attributes define a maximum and the alignment attribute defines 5893b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // a minimum. Additionally, the packing alignment must be at least 5903b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // a byte for non-bitfields. 5913b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // 5923b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // FIXME: What is the right behavior when the specified alignment 5933b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar // is smaller than the specified packing? 5943b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar if (FieldPacking) 5953b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar FieldAlign = std::min(FieldAlign, std::max(8U, FieldPacking)); 5968b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel if (const AlignedAttr *AA = FD->getAttr<AlignedAttr>()) 5978b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldAlign = std::max(FieldAlign, AA->getAlignment()); 5988b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 5998b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // Round up the current record size to the field's alignment boundary. 6008b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldOffset = (FieldOffset + (FieldAlign-1)) & ~(FieldAlign-1); 6018b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel } 6028b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 6038b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // Place this field at the current location. 6048b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel FieldOffsets[FieldNo] = FieldOffset; 6058b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 6068b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // Reserve space for this field. 6078b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel if (IsUnion) { 6088b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel Size = std::max(Size, FieldSize); 6098b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel } else { 6108b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel Size = FieldOffset + FieldSize; 6118b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel } 6128b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 6138b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel // Remember max struct/class alignment. 6148b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel Alignment = std::max(Alignment, FieldAlign); 6158b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel} 6168b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel 61788e469cf4240d4b898eacc0ad092019b022e0e50Fariborz Jahanianvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 6186ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor llvm::SmallVectorImpl<FieldDecl*> &Fields) { 619a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian const ObjCInterfaceDecl *SuperClass = OI->getSuperClass(); 620a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (SuperClass) 621a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian CollectObjCIvars(SuperClass, Fields); 622a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 623a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 624f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 625a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 626a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 627a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 628af3e72285238369c2ea4ebd40a1c9a87bd3eabb7Fariborz Jahanian // look into properties. 6296ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor for (ObjCInterfaceDecl::prop_iterator I = OI->prop_begin(*this), 6306ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor E = OI->prop_end(*this); I != E; ++I) { 631f1690858344968358131f8d5690d9ee458883000Chris Lattner if (ObjCIvarDecl *IV = (*I)->getPropertyIvarDecl()) 632af3e72285238369c2ea4ebd40a1c9a87bd3eabb7Fariborz Jahanian Fields.push_back(cast<FieldDecl>(IV)); 633af3e72285238369c2ea4ebd40a1c9a87bd3eabb7Fariborz Jahanian } 634a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 635a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 636a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian/// addRecordToClass - produces record info. for the class for its 637a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian/// ivars and all those inherited. 638a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian/// 639f1690858344968358131f8d5690d9ee458883000Chris Lattnerconst RecordDecl *ASTContext::addRecordToClass(const ObjCInterfaceDecl *D) { 6402349925b505564915f786583238266840801b689Chris Lattner RecordDecl *&RD = ASTRecordForInterface[D]; 6412349925b505564915f786583238266840801b689Chris Lattner if (RD) { 6422349925b505564915f786583238266840801b689Chris Lattner // If we have a record decl already and it is either a definition or if 'D' 6432349925b505564915f786583238266840801b689Chris Lattner // is still a forward declaration, return it. 6442349925b505564915f786583238266840801b689Chris Lattner if (RD->isDefinition() || D->isForwardDecl()) 6452349925b505564915f786583238266840801b689Chris Lattner return RD; 6462349925b505564915f786583238266840801b689Chris Lattner } 6472349925b505564915f786583238266840801b689Chris Lattner 6482349925b505564915f786583238266840801b689Chris Lattner // If D is a forward declaration, then just make a forward struct decl. 6492349925b505564915f786583238266840801b689Chris Lattner if (D->isForwardDecl()) 6502349925b505564915f786583238266840801b689Chris Lattner return RD = RecordDecl::Create(*this, TagDecl::TK_struct, 0, 6512349925b505564915f786583238266840801b689Chris Lattner D->getLocation(), 6522349925b505564915f786583238266840801b689Chris Lattner D->getIdentifier()); 653f1690858344968358131f8d5690d9ee458883000Chris Lattner 654f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 655a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian CollectObjCIvars(D, RecFields); 6562349925b505564915f786583238266840801b689Chris Lattner 6572349925b505564915f786583238266840801b689Chris Lattner if (RD == 0) 6582349925b505564915f786583238266840801b689Chris Lattner RD = RecordDecl::Create(*this, TagDecl::TK_struct, 0, D->getLocation(), 6592349925b505564915f786583238266840801b689Chris Lattner D->getIdentifier()); 660a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian /// FIXME! Can do collection of ivars and adding to the record while 661a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian /// doing it. 66216ff705a594697f98b9473f9b7e7d378f331fe4bChris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 6636ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor RD->addDecl(*this, 6646ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor FieldDecl::Create(*this, RD, 6652349925b505564915f786583238266840801b689Chris Lattner RecFields[i]->getLocation(), 6662349925b505564915f786583238266840801b689Chris Lattner RecFields[i]->getIdentifier(), 6672349925b505564915f786583238266840801b689Chris Lattner RecFields[i]->getType(), 6682349925b505564915f786583238266840801b689Chris Lattner RecFields[i]->getBitWidth(), false)); 669a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 670f1690858344968358131f8d5690d9ee458883000Chris Lattner 6712349925b505564915f786583238266840801b689Chris Lattner RD->completeDefinition(*this); 672a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian return RD; 673a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 67444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 675efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian/// setFieldDecl - maps a field for the given Ivar reference node. 676efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian// 677efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanianvoid ASTContext::setFieldDecl(const ObjCInterfaceDecl *OI, 678efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarDecl *Ivar, 679efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian const ObjCIvarRefExpr *MRef) { 680da04639a40e01d8d2ee891c075b271fd272d3d53Chris Lattner ASTFieldForIvarRef[MRef] = OI->lookupFieldDeclForIvar(*this, Ivar); 681efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian} 682efc4c4bdbd8fee90b93deb3b5cfaeb044ae22557Fariborz Jahanian 68361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner/// getASTObjcInterfaceLayout - Get or compute information about the layout of 68461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner/// the specified Objective C, which indicates its size and ivar 68544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel/// position information. 68644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patelconst ASTRecordLayout & 68744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang PatelASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 68844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Look up this layout, if already laid out, return what we have. 68944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout *&Entry = ASTObjCInterfaces[D]; 69044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel if (Entry) return *Entry; 69144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 69244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Allocate and assign into ASTRecordLayouts here. The "Entry" reference can 69344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // be invalidated (dangle) if the ASTRecordLayouts hashtable is inserted into. 6946a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel ASTRecordLayout *NewEntry = NULL; 6950c7ce5bcfae60d999d52b80f43bbe08436f3bbd1Fariborz Jahanian // FIXME. Add actual count of synthesized ivars, instead of count 6960c7ce5bcfae60d999d52b80f43bbe08436f3bbd1Fariborz Jahanian // of properties which is the upper bound, but is safe. 6974af44129dd99a233087b5cdd60bbf2fd0b9553d4Daniel Dunbar unsigned FieldCount = 6986ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor D->ivar_size() + std::distance(D->prop_begin(*this), D->prop_end(*this)); 6996a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel if (ObjCInterfaceDecl *SD = D->getSuperClass()) { 7006a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel FieldCount++; 7016a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel const ASTRecordLayout &SL = getASTObjCInterfaceLayout(SD); 7026a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel unsigned Alignment = SL.getAlignment(); 7036a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel uint64_t Size = SL.getSize(); 7046a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel NewEntry = new ASTRecordLayout(Size, Alignment); 7056a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel NewEntry->InitializeLayout(FieldCount); 70661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner // Super class is at the beginning of the layout. 70761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner NewEntry->SetFieldOffset(0, 0); 7086a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel } else { 7096a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel NewEntry = new ASTRecordLayout(); 7106a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel NewEntry->InitializeLayout(FieldCount); 7116a5a34c0e5587263df719c62030761cf59d27fe4Devang Patel } 71244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Entry = NewEntry; 71344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 7143b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar unsigned StructPacking = 0; 7153b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar if (const PackedAttr *PA = D->getAttr<PackedAttr>()) 7163b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar StructPacking = PA->getAlignment(); 71744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 71844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel if (const AlignedAttr *AA = D->getAttr<AlignedAttr>()) 71944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel NewEntry->SetAlignment(std::max(NewEntry->getAlignment(), 72044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel AA->getAlignment())); 72144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 72244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Layout each ivar sequentially. 72344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel unsigned i = 0; 72444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel for (ObjCInterfaceDecl::ivar_iterator IVI = D->ivar_begin(), 72544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel IVE = D->ivar_end(); IVI != IVE; ++IVI) { 72644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ObjCIvarDecl* Ivar = (*IVI); 7273b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar NewEntry->LayoutField(Ivar, i++, false, StructPacking, *this); 72844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 72918191886554407b4260c40165bc294c3ea732033Fariborz Jahanian // Also synthesized ivars 7306ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor for (ObjCInterfaceDecl::prop_iterator I = D->prop_begin(*this), 7316ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor E = D->prop_end(*this); I != E; ++I) { 73218191886554407b4260c40165bc294c3ea732033Fariborz Jahanian if (ObjCIvarDecl *Ivar = (*I)->getPropertyIvarDecl()) 73318191886554407b4260c40165bc294c3ea732033Fariborz Jahanian NewEntry->LayoutField(Ivar, i++, false, StructPacking, *this); 73418191886554407b4260c40165bc294c3ea732033Fariborz Jahanian } 73599eee3675e830ff367ae1fe35ce19fb49e7e4114Fariborz Jahanian 73644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Finally, round the size of the total struct up to the alignment of the 73744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // struct itself. 73844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel NewEntry->FinalizeLayout(); 73944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel return *NewEntry; 74044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel} 74144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 74288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel/// getASTRecordLayout - Get or compute information about the layout of the 743464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// specified record (struct/union/class), which indicates its size and field 744464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// position information. 74598be4943e8dc4f3905629a7102668960873cf863Chris Lattnerconst ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) { 7464b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek D = D->getDefinition(*this); 7474b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek assert(D && "Cannot get layout of forward declarations!"); 7484bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 749464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Look up this layout, if already laid out, return what we have. 75088a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel const ASTRecordLayout *&Entry = ASTRecordLayouts[D]; 751464175bba1318bef7905122e9fda20cff926df78Chris Lattner if (Entry) return *Entry; 7524bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 75388a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel // Allocate and assign into ASTRecordLayouts here. The "Entry" reference can 75488a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel // be invalidated (dangle) if the ASTRecordLayouts hashtable is inserted into. 75588a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel ASTRecordLayout *NewEntry = new ASTRecordLayout(); 756464175bba1318bef7905122e9fda20cff926df78Chris Lattner Entry = NewEntry; 7574bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 758e267ff35b2f4e9d2b0d8bf24109d41cc7398b61bDouglas Gregor // FIXME: Avoid linear walk through the fields, if possible. 7596ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor NewEntry->InitializeLayout(std::distance(D->field_begin(*this), 7606ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor D->field_end(*this))); 76139ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis bool IsUnion = D->isUnion(); 762464175bba1318bef7905122e9fda20cff926df78Chris Lattner 7633b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar unsigned StructPacking = 0; 7643b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar if (const PackedAttr *PA = D->getAttr<PackedAttr>()) 7653b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar StructPacking = PA->getAlignment(); 7663b0db908ebd07eaa26bc90deba5e826de00fe515Daniel Dunbar 7674bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman if (const AlignedAttr *AA = D->getAttr<AlignedAttr>()) 7688b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel NewEntry->SetAlignment(std::max(NewEntry->getAlignment(), 7698b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel AA->getAlignment())); 7704bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 7714bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman // Layout each field, for now, just sequentially, respecting alignment. In 7724bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman // the future, this will need to be tweakable by targets. 77344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor unsigned FieldIdx = 0; 7746ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor for (RecordDecl::field_iterator Field = D->field_begin(*this), 7756ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor FieldEnd = D->field_end(*this); 77644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; (void)++Field, ++FieldIdx) 77744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor NewEntry->LayoutField(*Field, FieldIdx, IsUnion, StructPacking, *this); 7784bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 7794bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman // Finally, round the size of the total struct up to the alignment of the 7804bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman // struct itself. 7818b27704d61be128bbff6352e6ef417efc0d6bf4fDevang Patel NewEntry->FinalizeLayout(); 7825d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner return *NewEntry; 783464175bba1318bef7905122e9fda20cff926df78Chris Lattner} 784464175bba1318bef7905122e9fda20cff926df78Chris Lattner 785a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 786a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 787a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 788a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 789f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 790f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 791f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 792f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 793b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 794b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // If we are composing extended qualifiers together, merge together into one 795b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // ExtQualType node. 796b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner unsigned CVRQuals = T.getCVRQualifiers(); 797b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner QualType::GCAttrTypes GCAttr = QualType::GCNone; 798b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner Type *TypeNode = T.getTypePtr(); 799b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 800b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (ExtQualType *EQT = dyn_cast<ExtQualType>(TypeNode)) { 801b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // If this type already has an address space specified, it cannot get 802b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // another one. 803b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner assert(EQT->getAddressSpace() == 0 && 804b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner "Type cannot be in multiple addr spaces!"); 805b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttr = EQT->getObjCGCAttr(); 806b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner TypeNode = EQT->getBaseType(); 807b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner } 808f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner 809b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // Check if we've already instantiated this type. 810ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb llvm::FoldingSetNodeID ID; 811b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner ExtQualType::Profile(ID, TypeNode, AddressSpace, GCAttr); 812ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb void *InsertPos = 0; 813f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian if (ExtQualType *EXTQy = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos)) 814b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return QualType(EXTQy, CVRQuals); 815b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 816ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // If the base type isn't canonical, this won't be a canonical type either, 817ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // so fill in the canonical type field. 818ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb QualType Canonical; 819b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (!TypeNode->isCanonical()) { 820f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian Canonical = getAddrSpaceQualType(CanT, AddressSpace); 821ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 822b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // Update InsertPos, the previous call could have invalidated it. 823f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian ExtQualType *NewIP = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos); 824f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 825ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb } 826b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner ExtQualType *New = 827b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner new (*this, 8) ExtQualType(TypeNode, Canonical, AddressSpace, GCAttr); 828f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian ExtQualTypes.InsertNode(New, InsertPos); 829ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb Types.push_back(New); 830b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return QualType(New, CVRQuals); 831ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 832ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 833b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 834b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner QualType::GCAttrTypes GCAttr) { 835d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 836b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 837d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 838d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 839b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // If we are composing extended qualifiers together, merge together into one 840b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // ExtQualType node. 841b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner unsigned CVRQuals = T.getCVRQualifiers(); 842b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner Type *TypeNode = T.getTypePtr(); 843b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner unsigned AddressSpace = 0; 844b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 845b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (ExtQualType *EQT = dyn_cast<ExtQualType>(TypeNode)) { 846b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // If this type already has an address space specified, it cannot get 847b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // another one. 848b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner assert(EQT->getObjCGCAttr() == QualType::GCNone && 849b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner "Type cannot be in multiple addr spaces!"); 850b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner AddressSpace = EQT->getAddressSpace(); 851b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner TypeNode = EQT->getBaseType(); 852b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner } 853d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 854d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian // Check if we've already instantiated an gc qual'd type of this type. 855d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian llvm::FoldingSetNodeID ID; 856b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner ExtQualType::Profile(ID, TypeNode, AddressSpace, GCAttr); 857d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian void *InsertPos = 0; 858d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (ExtQualType *EXTQy = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos)) 859b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return QualType(EXTQy, CVRQuals); 860d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 861d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian // If the base type isn't canonical, this won't be a canonical type either, 862d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian // so fill in the canonical type field. 8635a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: Isn't this also not canonical if the base type is a array 8645a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // or pointer type? I can't find any documentation for objc_gc, though... 865d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType Canonical; 866d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (!T->isCanonical()) { 867b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner Canonical = getObjCGCQualType(CanT, GCAttr); 868d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 869b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // Update InsertPos, the previous call could have invalidated it. 870d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian ExtQualType *NewIP = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos); 871d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 872d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian } 873b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner ExtQualType *New = 874b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner new (*this, 8) ExtQualType(TypeNode, Canonical, AddressSpace, GCAttr); 875d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian ExtQualTypes.InsertNode(New, InsertPos); 876d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Types.push_back(New); 877b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return QualType(New, CVRQuals); 878d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 879a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!T->isCanonical()) { 896f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 900f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 902f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff ComplexType *New = new (*this,8) ComplexType(T, Canonical); 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 908f98aba35e6c3da5aae61843fc01334939e4e12ecEli FriedmanQualType ASTContext::getFixedWidthIntType(unsigned Width, bool Signed) { 909f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> &Map = Signed ? 910f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman SignedFixedWidthIntTypes : UnsignedFixedWidthIntTypes; 911f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman FixedWidthIntType *&Entry = Map[Width]; 912f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (!Entry) 913f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman Entry = new FixedWidthIntType(Width, Signed); 914f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return QualType(Entry, 0); 915f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman} 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 9195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 9205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 9225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 9235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 9245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 9285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 9305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 9315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 9325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!T->isCanonical()) { 933f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 937f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 939f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff PointerType *New = new (*this,8) PointerType(T, Canonical); 9405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 9415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 9425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 9435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 9445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// getBlockPointerType - Return the uniqued reference to the type for 9465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 9475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 948296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 949296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 9505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 9515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 9525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 9535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 9545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 9555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 9565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 9575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 9585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 959296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // If the block pointee type isn't canonical, this won't be a canonical 9605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 9615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 9625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (!T->isCanonical()) { 9635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 9645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 9655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 9665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 9675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 968f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 9695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 970f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff BlockPointerType *New = new (*this,8) BlockPointerType(T, Canonical); 9715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 9725618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 9735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 9745618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 9755618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 9767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 9777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 9787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getLValueReferenceType(QualType T) { 9795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 9805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 9815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ReferenceType::Profile(ID, T); 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 9857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 9867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 9887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 9905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 9915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 9925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!T->isCanonical()) { 9937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Canonical = getLValueReferenceType(getCanonicalType(T)); 9947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 9957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 9967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 9977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 9987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 9997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 10007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 10017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *New = new (*this,8) LValueReferenceType(T, Canonical); 10027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 10037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 10047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 10057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 10067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 10077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 10087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 10097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 10107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 10117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 10127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 10137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl ReferenceType::Profile(ID, T); 10147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 10157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 10167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 10177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 10187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 10197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 10207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 10217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 10227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 10237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (!T->isCanonical()) { 10247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Canonical = getRValueReferenceType(getCanonicalType(T)); 10257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 10277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 10287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1029f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *New = new (*this,8) RValueReferenceType(T, Canonical); 10335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 10347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 10365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1038f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1039f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 1040f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian RedlQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) 1041f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl{ 1042f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1043f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1044f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1045f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1046f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1047f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1048f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1049f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1050f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1051f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1052f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1053f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1054f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 1055f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (!T->isCanonical()) { 1056f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1057f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1058f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1059f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1060f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1061f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1062f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1063f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff MemberPointerType *New = new (*this,8) MemberPointerType(T, Cls, Canonical); 1064f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1065f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1066f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1067f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1068f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1069fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// getConstantArrayType - Return the unique reference to the type for an 1070fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 1071fb22d96692c5240fb8d611290dbf7eeed3759c73Steve NaroffQualType ASTContext::getConstantArrayType(QualType EltTy, 1072c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff const llvm::APInt &ArySize, 1073c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1074c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 10760be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 10797192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek if (ConstantArrayType *ATP = 10807192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 10865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!EltTy->isCanonical()) { 1087f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1088c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 10907192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayType *NewIP = 10917192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1092f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1095566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek ConstantArrayType *New = 1096f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff new(*this,8)ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 10977192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1102bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1103bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 1104c9406125e2cac9208098655ac8058c095c2c3a65Steve NaroffQualType ASTContext::getVariableArrayType(QualType EltTy, Expr *NumElts, 1105c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1106c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1107c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1108c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1109c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1110566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek VariableArrayType *New = 1111f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff new(*this,8)VariableArrayType(EltTy,QualType(), NumElts, ASM, EltTypeQuals); 1112c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1113c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1114c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1115c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1116c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1117c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1118898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1119898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 1120898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// type. FIXME: We will need these to be uniqued, or at least 1121898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// comparable, at some point. 1122898574e7496ba8fd76290079d3a9d06954992734Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, Expr *NumElts, 1123898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 1124898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor unsigned EltTypeQuals) { 1125898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor assert((NumElts->isTypeDependent() || NumElts->isValueDependent()) && 1126898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1127898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1128898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Since we don't unique expressions, it isn't possible to unique 1129898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependently-sized array types. 1130898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1131566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek DependentSizedArrayType *New = 1132f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff new (*this,8) DependentSizedArrayType(EltTy, QualType(), NumElts, 1133f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff ASM, EltTypeQuals); 1134898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1135898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DependentSizedArrayTypes.push_back(New); 1136898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1137898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1138898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1139898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1140c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1141c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1142c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1143c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 11440be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1145c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1146c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 1147c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman if (IncompleteArrayType *ATP = 1148c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1149c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1150c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1151c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1152c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1153c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1154c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1155c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman if (!EltTy->isCanonical()) { 1156f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 11572bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1158c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1159c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1160c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1161c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1162f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11632bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1164c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1165f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff IncompleteArrayType *New = new (*this,8) IncompleteArrayType(EltTy, Canonical, 1166566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek ASM, EltTypeQuals); 1167c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1168c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1169c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1170c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1171fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1172fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 117373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 117473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 117573322924127c873c13101b705dd823f5539ffa5fSteve NaroffQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts) { 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1178f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 117973322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 118373322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType::Profile(ID, vecType, NumElts, Type::Vector); 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 11875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!vecType->isCanonical()) { 1192f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getVectorType(getCanonicalType(vecType), NumElts); 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1196f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1198f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff VectorType *New = new (*this,8) VectorType(vecType, NumElts, Canonical); 11995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1204213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 120573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1206213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 120773322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 120873322924127c873c13101b705dd823f5539ffa5fSteve Naroff 1209f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1210213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 121173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 121273322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 121373322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1214213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman VectorType::Profile(ID, vecType, NumElts, Type::ExtVector); 121573322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 121673322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 121773322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 121873322924127c873c13101b705dd823f5539ffa5fSteve Naroff 121973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 122073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 122173322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 122273322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (!vecType->isCanonical()) { 1223213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 122473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 122573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 122673322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1227f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 122873322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 1229f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff ExtVectorType *New = new (*this,8) ExtVectorType(vecType, NumElts, Canonical); 123073322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 123173322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 123273322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 123373322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 123473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 123572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 12365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 123772564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getFunctionNoProtoType(QualType ResultTy) { 12385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 12395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 124172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType::Profile(ID, ResultTy); 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 124472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (FunctionNoProtoType *FT = 124572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 12465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 12475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 12495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!ResultTy->isCanonical()) { 125072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor Canonical = getFunctionNoProtoType(getCanonicalType(ResultTy)); 12515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 125372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 125472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1255f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 125872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *New =new(*this,8)FunctionNoProtoType(ResultTy,Canonical); 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 126072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 126661710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1267971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1268971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned TypeQuals) { 12695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 127272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1273971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis TypeQuals); 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 127672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (FunctionProtoType *FTP = 127772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Determine whether the type being created is already canonical or not. 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCanonical = ResultTy->isCanonical(); 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!ArgArray[i]->isCanonical()) 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!isCanonical) { 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 1292f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner CanonicalArgs.push_back(getCanonicalType(ArgArray[i])); 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1294f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer &CanonicalArgs[0], NumArgs, 12967fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis isVariadic, TypeQuals); 12975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 129972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 130072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1301f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 130472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1305566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek // for a variable size array (for parameter types) at the end of them. 130672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *FTP = 130772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1308c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff NumArgs*sizeof(QualType), 8); 130972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1310971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis TypeQuals, Canonical); 13115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 131272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 13135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13162ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 13172ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 13184b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed KremenekQualType ASTContext::getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl) { 13191e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 13202ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 13212ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 13221e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis if (TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 13232ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1324fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor else if (isa<TemplateTypeParmDecl>(Decl)) { 1325fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor assert(false && "Template type parameter types are always available."); 1326fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } else if (ObjCInterfaceDecl *ObjCInterface = dyn_cast<ObjCInterfaceDecl>(Decl)) 13272ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getObjCInterfaceType(ObjCInterface); 132849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1329c1efaecf0373f1a55c5ef4c234357cf726fc0600Douglas Gregor if (RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1330566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek if (PrevDecl) 1331566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek Decl->TypeForDecl = PrevDecl->TypeForDecl; 1332f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff else 1333f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff Decl->TypeForDecl = new (*this,8) RecordType(Record); 1334566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek } 1335566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek else if (EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1336566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek if (PrevDecl) 1337566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek Decl->TypeForDecl = PrevDecl->TypeForDecl; 1338f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff else 1339f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff Decl->TypeForDecl = new (*this,8) EnumType(Enum); 13404b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek } 134149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis else 13422ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor assert(false && "TypeDecl without a type?"); 134349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 13444b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek if (!PrevDecl) Types.push_back(Decl->TypeForDecl); 134549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 13462ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 13472ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 13485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 13505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getTypedefType(TypedefDecl *Decl) { 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1353f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 135472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor Decl->TypeForDecl = new(*this,8) TypedefType(Type::Typedef, Decl, Canonical); 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1359a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCInterfaceType - Return the unique reference to the type for the 13603536b443bc50d58a79f14fca9b6842541a434854Steve Naroff/// specified ObjC interface decl. 1361a526c5c67e5a0473c340903ee542ce570119665fTed KremenekQualType ASTContext::getObjCInterfaceType(ObjCInterfaceDecl *Decl) { 13623536b443bc50d58a79f14fca9b6842541a434854Steve Naroff if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 13633536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 1364f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff Decl->TypeForDecl = new(*this,8) ObjCInterfaceType(Type::ObjCInterface, Decl); 13653536b443bc50d58a79f14fca9b6842541a434854Steve Naroff Types.push_back(Decl->TypeForDecl); 13663536b443bc50d58a79f14fca9b6842541a434854Steve Naroff return QualType(Decl->TypeForDecl, 0); 13673536b443bc50d58a79f14fca9b6842541a434854Steve Naroff} 13683536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 1369fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 1370fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// parameter with the given depth, index, and (optionally) name. 1371fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas GregorQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 1372fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name) { 1373fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 1374fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, Name); 1375fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 1376fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmType *TypeParm 1377fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1378fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1379fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1380fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1381fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1382fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (Name) 1383fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TypeParm = new (*this, 8) TemplateTypeParmType(Depth, Index, Name, 1384fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor getTemplateTypeParmType(Depth, Index)); 1385fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor else 1386fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TypeParm = new (*this, 8) TemplateTypeParmType(Depth, Index); 1387fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1388fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1389fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1390fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1391fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1392fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1393fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 139455f6b14230c94272efbbcdd89a92224c8db9f225Douglas GregorQualType 13957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 13967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 13977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 13987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon) { 139940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor if (!Canon.isNull()) 140040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor Canon = getCanonicalType(Canon); 1401fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 140255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor llvm::FoldingSetNodeID ID; 14037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateSpecializationType::Profile(ID, Template, Args, NumArgs); 140440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 140555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor void *InsertPos = 0; 14067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateSpecializationType *Spec 14077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 140855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 140955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor if (Spec) 141055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor return QualType(Spec, 0); 141155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 14127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *Mem = Allocate((sizeof(TemplateSpecializationType) + 141340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 141440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 8); 14157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor Spec = new (Mem) TemplateSpecializationType(Template, Args, NumArgs, Canon); 141655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 14177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 141855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 141955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor return QualType(Spec, 0); 142055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 142155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 1422e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas GregorQualType 1423ab452ba8323d1985e08bade2bced588cddf2cc28Douglas GregorASTContext::getQualifiedNameType(NestedNameSpecifier *NNS, 1424e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType) { 1425e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1426ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualifiedNameType::Profile(ID, NNS, NamedType); 1427e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1428e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1429e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualifiedNameType *T 1430e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor = QualifiedNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1431e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1432e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1433e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1434ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor T = new (*this) QualifiedNameType(NNS, NamedType, 1435ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor getCanonicalType(NamedType)); 1436e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1437e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualifiedNameTypes.InsertNode(T, InsertPos); 1438e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1439e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1440e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1441d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorQualType ASTContext::getTypenameType(NestedNameSpecifier *NNS, 1442d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 1443d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon) { 1444d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1445d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1446d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1447d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 1448d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (CanonNNS != NNS) 1449d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Canon = getTypenameType(CanonNNS, Name); 1450d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1451d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1452d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 1453d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameType::Profile(ID, NNS, Name); 1454d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1455d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 1456d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameType *T 1457d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); 1458d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 1459d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1460d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1461d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T = new (*this) TypenameType(NNS, Name, Canon); 1462d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 1463d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameTypes.InsertNode(T, InsertPos); 1464d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1465d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1466d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 14671734317845d60307d474b5da8a8d33adbaf5e723Douglas GregorQualType 14681734317845d60307d474b5da8a8d33adbaf5e723Douglas GregorASTContext::getTypenameType(NestedNameSpecifier *NNS, 14691734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 14701734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon) { 14711734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 14721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 14731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (Canon.isNull()) { 14741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 14751734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); 14761734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (CanonNNS != NNS || CanonType != QualType(TemplateId, 0)) { 14771734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *CanonTemplateId 14781734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor = CanonType->getAsTemplateSpecializationType(); 14791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(CanonTemplateId && 14801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "Canonical type must also be a template specialization type"); 14811734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Canon = getTypenameType(CanonNNS, CanonTemplateId); 14821734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 14831734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 14841734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 14851734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor llvm::FoldingSetNodeID ID; 14861734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameType::Profile(ID, NNS, TemplateId); 14871734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 14881734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor void *InsertPos = 0; 14891734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameType *T 14901734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); 14911734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (T) 14921734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor return QualType(T, 0); 14931734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 14941734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor T = new (*this) TypenameType(NNS, TemplateId, Canon); 14951734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 14961734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameTypes.InsertNode(T, InsertPos); 14971734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor return QualType(T, 0); 14981734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 14991734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 150088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 150188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 150288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 150388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 15042e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 150588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 150688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 150788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic void SortAndUniqueProtocols(ObjCProtocolDecl **&Protocols, 150888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 150988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 151088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 151188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 151288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 151388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 151488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 151588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 151688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 151788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 151888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 151988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 1520065f0d7b00c3cd2b3139ebd105f50462fc778859Chris Lattner/// getObjCQualifiedInterfaceType - Return a ObjCQualifiedInterfaceType type for 1521065f0d7b00c3cd2b3139ebd105f50462fc778859Chris Lattner/// the given interface decl and the conforming protocol list. 1522a526c5c67e5a0473c340903ee542ce570119665fTed KremenekQualType ASTContext::getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl, 1523a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **Protocols, unsigned NumProtocols) { 152488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort the protocol list alphabetically to canonicalize it. 152588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner SortAndUniqueProtocols(Protocols, NumProtocols); 152688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 15274b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 1528b0489814dcb3cb801eeb0784cc6b6fcf575ff71dChris Lattner ObjCQualifiedInterfaceType::Profile(ID, Decl, Protocols, NumProtocols); 15294b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 15304b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 1531a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (ObjCQualifiedInterfaceType *QT = 1532a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCQualifiedInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos)) 15334b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 15344b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 15354b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian // No Match; 1536a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCQualifiedInterfaceType *QType = 1537f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff new (*this,8) ObjCQualifiedInterfaceType(Decl, Protocols, NumProtocols); 1538566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek 15394b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian Types.push_back(QType); 1540a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCQualifiedInterfaceTypes.InsertNode(QType, InsertPos); 15414b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QType, 0); 15424b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian} 15434b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 154488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// getObjCQualifiedIdType - Return an ObjCQualifiedIdType for the 'id' decl 154588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// and the conforming protocol list. 154662f5f7ffad57e0c2af2b308af3735351505937cbChris LattnerQualType ASTContext::getObjCQualifiedIdType(ObjCProtocolDecl **Protocols, 1547c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian unsigned NumProtocols) { 154888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort the protocol list alphabetically to canonicalize it. 154988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner SortAndUniqueProtocols(Protocols, NumProtocols); 155088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 1551c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian llvm::FoldingSetNodeID ID; 1552a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCQualifiedIdType::Profile(ID, Protocols, NumProtocols); 1553c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 1554c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian void *InsertPos = 0; 1555a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (ObjCQualifiedIdType *QT = 155662f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner ObjCQualifiedIdTypes.FindNodeOrInsertPos(ID, InsertPos)) 1557c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian return QualType(QT, 0); 1558c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 1559c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian // No Match; 1560566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek ObjCQualifiedIdType *QType = 1561f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff new (*this,8) ObjCQualifiedIdType(Protocols, NumProtocols); 1562c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian Types.push_back(QType); 1563a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCQualifiedIdTypes.InsertNode(QType, InsertPos); 1564c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian return QualType(QType, 0); 1565c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian} 1566c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian 156772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 156872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 15699752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 15709752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// DeclRefExpr's. This doesn't effect the type checker, since it operates 15719752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 157272564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 1573f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofExpr->getType()); 157472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TypeOfExprType *toe = new (*this,8) TypeOfExprType(tofExpr, Canonical); 15759752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 15769752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 1577d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 1578d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 15799752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 15809752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 15819752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 15829752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// an issue. This doesn't effect the type checker, since it operates 15839752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 1584d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 1585f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 1586f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff TypeOfType *tot = new (*this,8) TypeOfType(tofType, Canonical); 15879752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 15889752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 1589d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 1590d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 15925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getTagDeclType(TagDecl *Decl) { 1594d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 15952ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypeDeclType(Decl); 15965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// needs to agree with the definition in <stddef.h>. 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getSizeType() const { 1602b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 160564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 160664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 160764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 160864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 160964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 161064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 161164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 161264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 161364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 161464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 161564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 161664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 161764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 161864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 16198b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 16208b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 16218b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 1622b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 16238b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 16248b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 1625e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 1626e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 1627e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 1628e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 162977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 163077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 163177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 163277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 163377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 163477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 163577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris LattnerQualType ASTContext::getCanonicalType(QualType T) { 163677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType CanType = T.getTypePtr()->getCanonicalTypeInternal(); 1637c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1638c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If the result has type qualifiers, make sure to canonicalize them as well. 1639c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner unsigned TypeQuals = T.getCVRQualifiers() | CanType.getCVRQualifiers(); 1640c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (TypeQuals == 0) return CanType; 1641c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1642c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If the type qualifiers are on an array type, get the canonical type of the 1643c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // array with the qualifiers applied to the element type. 1644c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 1645c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 1646c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return CanType.getQualifiedType(TypeQuals); 1647c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1648c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 1649c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 1650c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType NewEltTy=AT->getElementType().getWithAdditionalQualifiers(TypeQuals); 1651c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 1652c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1653c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 1654c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return getConstantArrayType(NewEltTy, CAT->getSize(),CAT->getSizeModifier(), 1655c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getIndexTypeQualifier()); 1656c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 1657c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 1658c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getIndexTypeQualifier()); 1659c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1660898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 1661898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return getDependentSizedArrayType(NewEltTy, DSAT->getSizeExpr(), 1662898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 1663898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getIndexTypeQualifier()); 1664898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1665c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 1666c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return getVariableArrayType(NewEltTy, VAT->getSizeExpr(), 1667c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 1668c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getIndexTypeQualifier()); 1669c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 1670c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1671d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 1672d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 1673d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (!NNS) 1674d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 1675d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1676d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 1677d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 1678d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 1679d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 1680d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 1681d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 1682d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1683d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 1684d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 1685d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 1686d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 1687d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1688d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 1689d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 1690d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 1691d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *Prefix = 0; 1692d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1693d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // FIXME: This isn't the right check! 1694d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T->isDependentType()) 1695d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Prefix = getCanonicalNestedNameSpecifier(NNS->getPrefix()); 1696d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1697d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 1698d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 1699d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 1700d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1701d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1702d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 1703d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 1704d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 1705d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1706d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1707d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 1708d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 1709d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1710d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1711c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1712c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 1713c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 1714c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (T.getCVRQualifiers() == 0) { 1715c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 1716c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 1717c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 1718c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 1719c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1720c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common negative case fast, ignoring CVR qualifiers. 1721c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 1722c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1723f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian // Make sure to look through type qualifiers (like ExtQuals) for the negative 1724c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // test. 1725c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!isa<ArrayType>(CType) && 1726c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner !isa<ArrayType>(CType.getUnqualifiedType())) 1727c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 1728c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1729c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Apply any CVR qualifiers from the array type to the element type. This 1730c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 1731c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 1732c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1733c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 1734c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 1735c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // we must propagate them down into the elemeng type. 1736c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner unsigned CVRQuals = T.getCVRQualifiers(); 1737c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner unsigned AddrSpace = 0; 1738c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner Type *Ty = T.getTypePtr(); 1739c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1740f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian // Rip through ExtQualType's and typedefs to get to a concrete type. 1741c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner while (1) { 1742f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian if (const ExtQualType *EXTQT = dyn_cast<ExtQualType>(Ty)) { 1743f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian AddrSpace = EXTQT->getAddressSpace(); 1744f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian Ty = EXTQT->getBaseType(); 1745c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } else { 1746c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner T = Ty->getDesugaredType(); 1747c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (T.getTypePtr() == Ty && T.getCVRQualifiers() == 0) 1748c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner break; 1749c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CVRQuals |= T.getCVRQualifiers(); 1750c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner Ty = T.getTypePtr(); 1751c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 1752c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 1753c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1754c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 1755c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 1756c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ATy == 0 || (AddrSpace == 0 && CVRQuals == 0)) 1757c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 1758c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1759c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 1760c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 1761c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 1762c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 1763c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType NewEltTy = ATy->getElementType(); 1764c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (AddrSpace) 1765f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian NewEltTy = getAddrSpaceQualType(NewEltTy, AddrSpace); 1766c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = NewEltTy.getWithAdditionalQualifiers(CVRQuals); 1767c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1768c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 1769c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 1770c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 1771c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getIndexTypeQualifier())); 1772c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 1773c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 1774c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 1775c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getIndexTypeQualifier())); 1776898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1777898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (const DependentSizedArrayType *DSAT 1778898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 1779898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 1780898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor getDependentSizedArrayType(NewEltTy, 1781898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeExpr(), 1782898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 1783898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getIndexTypeQualifier())); 1784c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1785c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 1786c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getVariableArrayType(NewEltTy, VAT->getSizeExpr(), 1787c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 1788c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getIndexTypeQualifier())); 178977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 179077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 179177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 1792e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 1793e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 1794e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 1795e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 1796e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 1797e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 1798e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 1799c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 1800c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 1801c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 1802c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 1803c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 1804c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 1805e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 1806c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 1807e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 1808e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 1809c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return PtrTy.getQualifiedType(PrettyArrayType->getIndexTypeQualifier()); 1810e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 1811e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 1812d786f6a6b791b5901fa9fd39a2bbf924afbc1252Daniel DunbarQualType ASTContext::getBaseElementType(const VariableArrayType *VAT) { 18136183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType ElemTy = VAT->getElementType(); 18146183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 18156183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson if (const VariableArrayType *VAT = getAsVariableArrayType(ElemTy)) 18166183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return getBaseElementType(VAT); 18176183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 18186183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 18196183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 18206183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 18215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 18225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 1823a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 1824ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb if (const ComplexType *CT = T->getAsComplexType()) 18255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 1826a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 1827d786f6a6b791b5901fa9fd39a2bbf924afbc1252Daniel Dunbar assert(T->getAsBuiltinType() && "getFloatingRank(): not a floating type"); 1828ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb switch (T->getAsBuiltinType()->getKind()) { 1829a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 18305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 18315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 18325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 18335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1836716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 1837716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// point or a complex type (based on typeDomain/typeSize). 1838716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 1839716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 18401361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 18411361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 18421361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 18431361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 18441361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 1845716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 1846f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 1847f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 1848f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 1849f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 1850f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 18511361b11066239ea15764a2a844405352d87296b3Chris Lattner 18521361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 18531361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 18541361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 18551361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 18561361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 18571361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 18585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 18627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 18637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 18647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// LHS < RHS, return -1. 1865a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 1866a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 1867a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 1868a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 1869a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 1870fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 1871a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 1872fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 1873fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1876f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 1877f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 1878f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 1879f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 1880f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner assert(T->isCanonical() && "T should be canonicalized"); 1881f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 1882f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman T = ET->getDecl()->getIntegerType().getTypePtr(); 1883f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1884f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // There are two things which impact the integer rank: the width, and 1885f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // the ordering of builtins. The builtin ordering is encoded in the 1886f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // bottom three bits; the width is encoded in the bits above that. 1887f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (FixedWidthIntType* FWIT = dyn_cast<FixedWidthIntType>(T)) { 1888f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return FWIT->getWidth() << 3; 1889f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman } 1890f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 1891f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 18927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 18937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 1894f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 18957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 18967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 18977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 18987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 1899f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 19007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 19017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 1902f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 19037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 19047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 1905f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 19067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 19077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 1908f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 19097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 19107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 1911f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 1912f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 1913f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 1914f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 19157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getIntegerTypeOrder - Returns the highest ranked integer type: 19167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 19177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// LHS < RHS, return -1. 19187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 1919f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 1920f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 19217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 19225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1923f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 1924f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 19255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 19277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 19285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 19307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 19317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 19327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 19337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 19347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 19357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 19367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 19377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 19387cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 19397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 19407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 19417cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 19427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // powers of two larger than each other, this is always safe. 19437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 19447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 19457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 19467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 19477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 19487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 19495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 19517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 19527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // powers of two larger than each other, this is always safe. 19537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 19545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 195571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 195671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson// getCFConstantStringType - Return the type used for constant CFStrings. 195771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 195871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 19596c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner CFConstantStringTypeDecl = 196039ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis RecordDecl::Create(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 1961df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Idents.get("NSConstantString")); 1962f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 196371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 196471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 196571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson FieldTypes[0] = getPointerType(IntTy.getQualifiedType(QualType::Const)); 1966f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 1967f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 196871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 1969f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[2] = getPointerType(CharTy.getQualifiedType(QualType::Const)); 197071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 1971f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[3] = LongTy; 197271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 197344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 197444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 197544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 197644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 197744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldTypes[i], /*BitWidth=*/0, 19784afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 19796ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor CFConstantStringTypeDecl->addDecl(*this, Field); 198044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 198144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 198244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor CFConstantStringTypeDecl->completeDefinition(*this); 198371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 198471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 198571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 19868467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 1987b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 1988bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders CarlssonQualType ASTContext::getObjCFastEnumerationStateType() 1989bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson{ 1990bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 199144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 199244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor RecordDecl::Create(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 199344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor &Idents.get("__objcFastEnumerationState")); 199444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 1995bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 1996bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 1997bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(ObjCIdType), 1998bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 1999bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 2000bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 2001bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 2002bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 200344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 200444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldDecl *Field = FieldDecl::Create(*this, 200544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl, 200644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 200744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldTypes[i], /*BitWidth=*/0, 20084afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 20096ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor ObjCFastEnumerationStateTypeDecl->addDecl(*this, Field); 201044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 2011bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 201244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(*this); 2013bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 2014bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2015bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 2016bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 2017bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2018e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 2019e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 20202d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 2021e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 2022bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 2023bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 202485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 202585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 202685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 202785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 2028a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 202933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 2030a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekint ASTContext::getObjCEncodingTypeSize(QualType type) { 203198be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t sz = getTypeSize(type); 203233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 203333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 203433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian if (sz > 0 && type->isIntegralType()) 203598be4943e8dc4f3905629a7102668960873cf863Chris Lattner sz = std::max(sz, getTypeSize(IntTy)); 203633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 203733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 203898be4943e8dc4f3905629a7102668960873cf863Chris Lattner sz = getTypeSize(VoidPtrTy); 203998be4943e8dc4f3905629a7102668960873cf863Chris Lattner return sz / getTypeSize(CharTy); 204033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 204133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 2042a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 204333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 2044c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbarvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 2045e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 2046c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 2047ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 2048a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 204933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 20500d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 205133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 205233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 205333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 205433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 205598be4943e8dc4f3905629a7102668960873cf863Chris Lattner int PtrSize = getTypeSize(VoidPtrTy) / getTypeSize(CharTy); 205633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 205733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 205833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian int ParmOffset = 2 * PtrSize; 205989951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 206089951a86b594513c2a013532ed45d197413b1087Chris Lattner E = Decl->param_end(); PI != E; ++PI) { 206189951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 206289951a86b594513c2a013532ed45d197413b1087Chris Lattner int sz = getObjCEncodingTypeSize(PType); 2063a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert (sz > 0 && "getObjCEncodingForMethodDecl - Incomplete param type"); 206433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 206533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 206633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += llvm::utostr(ParmOffset); 206733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 206833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += llvm::utostr(PtrSize); 206933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 207033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 207133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 207289951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 207389951a86b594513c2a013532ed45d197413b1087Chris Lattner E = Decl->param_end(); PI != E; ++PI) { 207489951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 20754306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian QualType PType = PVDecl->getOriginalType(); 20764306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 20774306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) 20784306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian // Use array's original type only if it has known number of 20794306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian // elements. 20804306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (!dyn_cast<ConstantArrayType>(AT)) 20814306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian PType = PVDecl->getType(); 2082ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 208333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 20844306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 20850d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 208633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += llvm::utostr(ParmOffset); 2087a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParmOffset += getObjCEncodingTypeSize(PType); 208833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 208933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 209033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 2091c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 209283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 2093c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 2094c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 209583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// Property attributes are stored as a comma-delimited C string. The simple 209683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// attributes readonly and bycopy are encoded as single characters. The 209783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// parametrized attributes, getter=name, setter=name, and ivar=name, are 209883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// encoded as single characters, followed by an identifier. Property types 209983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// are also encoded as a parametrized attribute. The characters used to encode 210083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 210183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 210283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 210383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 210483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 210583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 210683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 210783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 210883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 210983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 211083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 211183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 211283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 211383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 211483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 211583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 2116c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbarvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 2117c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 2118e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 2119c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 2120c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 2121c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 2122c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2123c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 2124c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 2125c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (const ObjCCategoryImplDecl *CID = 2126c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 2127c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 2128c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar i = CID->propimpl_begin(), e = CID->propimpl_end(); i != e; ++i) { 2129c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 2130c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 2131c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 2132c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 2133c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 2134c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 2135c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2136c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2137c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2138c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 213961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 2140c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 2141c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar i = OID->propimpl_begin(), e = OID->propimpl_end(); i != e; ++i) { 2142c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 2143c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 2144c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 2145c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 2146c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 2147c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 2148c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2149c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2150c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2151c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2152c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2153c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2154c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 2155c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 2156c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2157c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 2158090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 2159090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 2160090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian getObjCEncodingForTypeImpl(PD->getType(), S, true, true, NULL, 2161090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 2162090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 2163c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2164c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 2165c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 2166c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 2167c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 2168c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 2169c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 2170c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Retain: S += ",&"; break; 2171c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2172c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2173c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2174c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 2175c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 2176c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 2177c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 2178c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2179090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 2180090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 2181090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian 2182c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 2183c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 2184077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 2185c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2186c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2187c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 2188c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 2189077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 2190c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2191c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2192c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 2193c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 2194c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 219539f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 2196c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2197c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2198c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 2199c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 2200c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2201a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 2202a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// Another legacy compatibility encoding: 32-bit longs are encoded as 2203c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian/// 'l' or 'L' , but not always. For typedefs, we need to use 2204a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 2205a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 2206a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 2207a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (dyn_cast<TypedefType>(PointeeTy.getTypePtr())) { 2208a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (const BuiltinType *BT = PointeeTy->getAsBuiltinType()) { 2209c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 2210c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 2211a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 2212c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian else 2213c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 2214c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 2215a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 2216a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2217a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2218a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 2219a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 22207d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 22216ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor FieldDecl *Field) { 222282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 222382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 222482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 222582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 22265b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian getObjCEncodingForTypeImpl(T, S, true, true, Field, 22275b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 222882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 222982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 22308b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanianstatic void EncodeBitField(const ASTContext *Context, std::string& S, 22318b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian FieldDecl *FD) { 22328b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 22338b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 22348b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 22358b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian unsigned N = E->getIntegerConstantExprValue(*Ctx).getZExtValue(); 22368b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 22378b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 22388b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 22398b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 224082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 224182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 224282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 22435b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian FieldDecl *FD, 2244090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 22456ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 2246e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const BuiltinType *BT = T->getAsBuiltinType()) { 224743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD && FD->isBitField()) { 22488b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian EncodeBitField(this, S, FD); 224985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 225043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else { 225143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian char encoding; 225243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian switch (BT->getKind()) { 225343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian default: assert(0 && "Unhandled builtin type kind"); 225443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::Void: encoding = 'v'; break; 225543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::Bool: encoding = 'B'; break; 225643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::Char_U: 225743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::UChar: encoding = 'C'; break; 225843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::UShort: encoding = 'S'; break; 225943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::UInt: encoding = 'I'; break; 226072696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian case BuiltinType::ULong: 226172696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian encoding = 226272696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q'; 226372696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian break; 226443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::ULongLong: encoding = 'Q'; break; 226543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::Char_S: 226643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::SChar: encoding = 'c'; break; 226743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::Short: encoding = 's'; break; 226843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::Int: encoding = 'i'; break; 226972696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian case BuiltinType::Long: 227072696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian encoding = 227172696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q'; 227272696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian break; 227343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::LongLong: encoding = 'q'; break; 227443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::Float: encoding = 'f'; break; 227543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::Double: encoding = 'd'; break; 227643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian case BuiltinType::LongDouble: encoding = 'd'; break; 227743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 227885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 227943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += encoding; 228043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 2281c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson } else if (const ComplexType *CT = T->getAsComplexType()) { 2282c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 2283c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 2284c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 2285c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson } else if (T->isObjCQualifiedIdType()) { 2286090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian getObjCEncodingForTypeImpl(getObjCIdType(), S, 2287090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian ExpandPointedToStructures, 2288090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian ExpandStructures, FD); 2289090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (FD || EncodingProperty) { 2290090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // Note that we do extended encoding of protocol qualifer list 2291090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // Only when doing ivar or property encoding. 2292090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian const ObjCQualifiedIdType *QIDT = T->getAsObjCQualifiedIdType(); 2293090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += '"'; 2294090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian for (unsigned i =0; i < QIDT->getNumProtocols(); i++) { 2295090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian ObjCProtocolDecl *Proto = QIDT->getProtocols(i); 2296090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += '<'; 2297090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += Proto->getNameAsString(); 2298090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += '>'; 2299090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian } 2300090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += '"'; 2301090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian } 2302090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian return; 2303c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian } 2304c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian else if (const PointerType *PT = T->getAsPointerType()) { 230585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson QualType PointeeTy = PT->getPointeeType(); 2306a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 2307a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 2308a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 2309a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 2310a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Also, do not emit the 'r' for anything but the outermost type! 2311a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (dyn_cast<TypedefType>(T.getTypePtr())) { 2312a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 2313a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 2314a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 2315a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2316a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2317a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian else if (OutermostType) { 2318a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 2319a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian while (P->getAsPointerType()) 2320a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian P = P->getAsPointerType()->getPointeeType(); 2321a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 2322a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 2323a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 2324a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2325a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2326a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 2327a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 2328a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 2329a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 2330a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian const char * s = S.c_str(); 2331a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian int len = S.length(); 2332a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (len >= 2 && s[len-2] == 'n' && s[len-1] == 'r') { 2333a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian std::string replace = "rn"; 2334a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S.replace(S.end()-2, S.end(), replace); 2335a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2336a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2337389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff if (isObjCIdStructType(PointeeTy)) { 2338c2939bc82ce177c0413feb0cd9ce70aefd6235fbFariborz Jahanian S += '@'; 2339c2939bc82ce177c0413feb0cd9ce70aefd6235fbFariborz Jahanian return; 2340c166d7390c300e84a0001c016b83f8aa6de9cf53Fariborz Jahanian } 2341c166d7390c300e84a0001c016b83f8aa6de9cf53Fariborz Jahanian else if (PointeeTy->isObjCInterfaceType()) { 2342bb99bdec7d3e704485baffae85938d24d35f0e0fFariborz Jahanian if (!EncodingProperty && 2343225dfd7d6b0ed14e6b7ad8dc121161b9f34ecfceFariborz Jahanian isa<TypedefType>(PointeeTy.getTypePtr())) { 23443e1b16c2e5b2c02d76e60ff28d609eeb21a2eb71Fariborz Jahanian // Another historical/compatibility reason. 23453e1b16c2e5b2c02d76e60ff28d609eeb21a2eb71Fariborz Jahanian // We encode the underlying type which comes out as 23463e1b16c2e5b2c02d76e60ff28d609eeb21a2eb71Fariborz Jahanian // {...}; 23473e1b16c2e5b2c02d76e60ff28d609eeb21a2eb71Fariborz Jahanian S += '^'; 23483e1b16c2e5b2c02d76e60ff28d609eeb21a2eb71Fariborz Jahanian getObjCEncodingForTypeImpl(PointeeTy, S, 23493e1b16c2e5b2c02d76e60ff28d609eeb21a2eb71Fariborz Jahanian false, ExpandPointedToStructures, 23503e1b16c2e5b2c02d76e60ff28d609eeb21a2eb71Fariborz Jahanian NULL); 23513e1b16c2e5b2c02d76e60ff28d609eeb21a2eb71Fariborz Jahanian return; 23523e1b16c2e5b2c02d76e60ff28d609eeb21a2eb71Fariborz Jahanian } 2353c166d7390c300e84a0001c016b83f8aa6de9cf53Fariborz Jahanian S += '@'; 2354090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (FD || EncodingProperty) { 235586f938b3d4a79fb9c337d351c8f3e5f1ff18f1b6Fariborz Jahanian const ObjCInterfaceType *OIT = 235686f938b3d4a79fb9c337d351c8f3e5f1ff18f1b6Fariborz Jahanian PointeeTy.getUnqualifiedType()->getAsObjCInterfaceType(); 2357090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian ObjCInterfaceDecl *OI = OIT->getDecl(); 2358adcaf544a9d863a4afb29cc5420095320fccafd8Fariborz Jahanian S += '"'; 2359adcaf544a9d863a4afb29cc5420095320fccafd8Fariborz Jahanian S += OI->getNameAsCString(); 2360090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian for (unsigned i =0; i < OIT->getNumProtocols(); i++) { 2361090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian ObjCProtocolDecl *Proto = OIT->getProtocol(i); 2362090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += '<'; 2363090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += Proto->getNameAsString(); 2364090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += '>'; 2365090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian } 2366adcaf544a9d863a4afb29cc5420095320fccafd8Fariborz Jahanian S += '"'; 2367adcaf544a9d863a4afb29cc5420095320fccafd8Fariborz Jahanian } 2368c166d7390c300e84a0001c016b83f8aa6de9cf53Fariborz Jahanian return; 2369389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff } else if (isObjCClassStructType(PointeeTy)) { 23708baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson S += '#'; 23718baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return; 2372a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (isObjCSelType(PointeeTy)) { 23738baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson S += ':'; 23748baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return; 2375c2939bc82ce177c0413feb0cd9ce70aefd6235fbFariborz Jahanian } 237685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 237785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 237885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 237985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 2380e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 238185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 238285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 238385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 238485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 238585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 238685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 2387a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 2388a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 2389a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getObjCEncodingForTypeImpl(PointeeTy, S, 2390d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar false, ExpandPointedToStructures, 239143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 2392c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } else if (const ArrayType *AT = 2393c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Ignore type qualifiers etc. 2394c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 2395559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 2396559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 2397559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 2398559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 2399559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson getObjCEncodingForTypeImpl(AT->getElementType(), S, 2400559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 2401559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 2402559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 240385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 2404559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 2405559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 2406559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 2407559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 2408559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 2409559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 2410559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 241185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 2412559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson getObjCEncodingForTypeImpl(AT->getElementType(), S, 2413559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 2414559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 2415559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 2416c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson } else if (T->getAsFunctionType()) { 2417c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 24186de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } else if (const RecordType *RTy = T->getAsRecordType()) { 241982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 2420d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 2421502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 2422502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 2423502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 2424502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 2425502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 2426502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 24270d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 24287d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 24296ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor for (RecordDecl::field_iterator Field = RDecl->field_begin(*this), 24306ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor FieldEnd = RDecl->field_end(*this); 243144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 243243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 2433d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 243444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 2435d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 2436d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 2437d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar 2438d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 243943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 244043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 244143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 2442d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 2443a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 2444a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 2445a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getObjCEncodingForTypeImpl(qt, S, false, true, 244643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 2447d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 24487d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 24496de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 2450d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 24515e71124dabe8017f17ce8996e4161a202694e3e6Steve Naroff } else if (T->isEnumeralType()) { 24528b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 24538b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian EncodeBitField(this, S, FD); 24548b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 24558b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 2456485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } else if (T->isBlockPointerType()) { 245721a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 245843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } else if (T->isObjCInterfaceType()) { 245943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 246043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian ObjCInterfaceDecl *OI = T->getAsObjCInterfaceType()->getDecl(); 246143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 246243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 246343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 246443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 2465f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 246643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 2467f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 246843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 246943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 247043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 247143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 247243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 247343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 247443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 247543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 247643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 247743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 2478f69cc5d6606fc65a76e3acd6eb6e13efd0098295Steve Naroff assert(0 && "@encode for type not implemented!"); 247985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 248085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 2481a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 2482ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 2483ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 2484ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 2485ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 2486ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 2487ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 2488ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 2489ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 2490ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 2491ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 2492ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 2493ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 2494ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 2495ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 2496ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 2497b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlssonvoid ASTContext::setBuiltinVaListType(QualType T) 2498b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson{ 2499b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 2500b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2501b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 2502b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 2503b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2504a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCIdType(TypedefDecl *TD) 25057e219e47de26346885d667131977bd9ca2d7662aSteve Naroff{ 2506a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIdType = getTypedefType(TD); 25077e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 25087e219e47de26346885d667131977bd9ca2d7662aSteve Naroff // typedef struct objc_object *id; 25097e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const PointerType *ptr = TD->getUnderlyingType()->getAsPointerType(); 2510c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian // User error - caller will issue diagnostics. 2511c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian if (!ptr) 2512c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian return; 25137e219e47de26346885d667131977bd9ca2d7662aSteve Naroff const RecordType *rec = ptr->getPointeeType()->getAsStructureType(); 2514c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian // User error - caller will issue diagnostics. 2515c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian if (!rec) 2516c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian return; 25177e219e47de26346885d667131977bd9ca2d7662aSteve Naroff IdStructType = rec; 25187e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 25197e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 2520a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCSelType(TypedefDecl *TD) 2521b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian{ 2522a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCSelType = getTypedefType(TD); 2523b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 2524b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian // typedef struct objc_selector *SEL; 2525b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const PointerType *ptr = TD->getUnderlyingType()->getAsPointerType(); 2526c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian if (!ptr) 2527c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian return; 2528b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *rec = ptr->getPointeeType()->getAsStructureType(); 2529c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian if (!rec) 2530c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian return; 2531b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian SelStructType = rec; 2532b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 2533b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 2534a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCProtoType(QualType QT) 2535390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian{ 2536a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 2537390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 2538390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 2539a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCClassType(TypedefDecl *TD) 25408baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson{ 2541a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCClassType = getTypedefType(TD); 25428baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 25438baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson // typedef struct objc_class *Class; 25448baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const PointerType *ptr = TD->getUnderlyingType()->getAsPointerType(); 25458baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson assert(ptr && "'Class' incorrectly typed"); 25468baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson const RecordType *rec = ptr->getPointeeType()->getAsStructureType(); 25478baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson assert(rec && "'Class' incorrectly typed"); 25488baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson ClassStructType = rec; 25498baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 25508baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 2551a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 2552a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(ObjCConstantStringType.isNull() && 25532198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 25542198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 2555a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 25562198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 25572198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 25587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a qualified 25597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c std::vector. 25607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 25617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 25627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template) { 25637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 25647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 25657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 25667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 25677532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateName *QTN = 25687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 25697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (!QTN) { 25707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 25717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 25727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 25737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 25747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 25757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 25767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 25777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 25787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 25797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 25807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 25817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor assert(NNS->isDependent() && "Nested name specifier must be dependent"); 25827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 25837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 25847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 25857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 25867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 25877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 25887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 25897532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 25907532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 25917532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 25927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 25937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 25947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 25957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 25967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 25977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 25987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 25997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 26007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 26017532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 26027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 26037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 26047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 2605b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 2606d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 2607d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 2608d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas GregorQualType ASTContext::getFromTargetType(unsigned Type) const { 2609b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 2610b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::NoInt: return QualType(); 2611b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 2612b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 2613b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 2614b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 2615b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 2616b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 2617b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 2618b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 2619b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 2620b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 2621b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 2622b3ac5434ab936f092b8cc48349cb01db3a1e1c76Daniel Dunbar return QualType(); 2623b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 2624b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 2625b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 2626b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 2627b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 2628b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 2629fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 2630fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 2631fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 2632fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 2633fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 2634fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 2635fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 2636fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TD->getAttr<ObjCNSObjectAttr>()) 2637fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 2638fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 2639fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return false; 2640fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 2641fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 2642b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek/// isObjCObjectPointerType - Returns true if type is an Objective-C pointer 2643b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek/// to an object type. This includes "id" and "Class" (two 'special' pointers 2644b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek/// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified 2645b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek/// ID type). 2646b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenekbool ASTContext::isObjCObjectPointerType(QualType Ty) const { 2647d461777e23204fe8c480302d8ff76f5847605da6Steve Naroff if (Ty->isObjCQualifiedIdType()) 2648b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek return true; 2649b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 26506ae98506f93617b1eda486406b376c9b70cd2df3Steve Naroff // Blocks are objects. 26516ae98506f93617b1eda486406b376c9b70cd2df3Steve Naroff if (Ty->isBlockPointerType()) 26526ae98506f93617b1eda486406b376c9b70cd2df3Steve Naroff return true; 26536ae98506f93617b1eda486406b376c9b70cd2df3Steve Naroff 26546ae98506f93617b1eda486406b376c9b70cd2df3Steve Naroff // All other object types are pointers. 2655b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek if (!Ty->isPointerType()) 2656b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek return false; 2657b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 2658b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // Check to see if this is 'id' or 'Class', both of which are typedefs for 2659b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // pointer types. This looks for the typedef specifically, not for the 2660b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // underlying type. 26615fdeae17da443c50c62f602733d06193a71b170fEli Friedman if (Ty.getUnqualifiedType() == getObjCIdType() || 26625fdeae17da443c50c62f602733d06193a71b170fEli Friedman Ty.getUnqualifiedType() == getObjCClassType()) 2663b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek return true; 2664b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 2665b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek // If this a pointer to an interface (e.g. NSString*), it is ok. 2666fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (Ty->getAsPointerType()->getPointeeType()->isObjCInterfaceType()) 2667fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 2668fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 2669fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian // If is has NSObject attribute, OK as well. 2670fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return isObjCNSObjectType(Ty); 2671b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek} 2672b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 26734fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 26744fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 26754fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 26764fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz JahanianQualType::GCAttrTypes ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 2677b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner QualType::GCAttrTypes GCAttrs = QualType::GCNone; 26784fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 26794fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 2680b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 26814fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 2682a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // (or pointers to them) be treated as though they were declared 2683a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 2684a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian if (GCAttrs == QualType::GCNone) { 2685a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian if (isObjCObjectPointerType(Ty)) 2686a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian GCAttrs = QualType::Strong; 2687a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 2688a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian return getObjCGCAttrKind(Ty->getAsPointerType()->getPointeeType()); 2689a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 26904fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 2691b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 26924fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 26934fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 26946ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 26956ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 26966ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 2697770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 26981c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff/// typesAreBlockCompatible - This routine is called when comparing two 2699dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// block types. Types must be strictly compatible here. For example, 2700dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// C unfortunately doesn't produce an error for the following: 2701dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// 2702dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// int (*emptyArgFunc)(); 2703dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// int (*intArgList)(int) = emptyArgFunc; 2704dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// 2705dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// For blocks, we will produce an error for the following (similar to C++): 2706dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// 2707dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// int (^emptyArgBlock)(); 2708dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// int (^intArgBlock)(int) = emptyArgBlock; 2709dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// 2710dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// FIXME: When the dust settles on this integration, fold this into mergeTypes. 2711dd972f20dc2bd3609d833893e5c6544ac09b59a9Steve Naroff/// 27121c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroffbool ASTContext::typesAreBlockCompatible(QualType lhs, QualType rhs) { 2713c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff const FunctionType *lbase = lhs->getAsFunctionType(); 2714c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff const FunctionType *rbase = rhs->getAsFunctionType(); 271572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 271672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 2717aab0f7a749e939d1d485a436f57ae56d14ba3016Mike Stump if (lproto && rproto == 0) 2718aab0f7a749e939d1d485a436f57ae56d14ba3016Mike Stump return false; 2719aab0f7a749e939d1d485a436f57ae56d14ba3016Mike Stump return !mergeTypes(lhs, rhs).isNull(); 27201c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff} 27211c7d067550c2d9bca8997d0e67ee6b280d493202Steve Naroff 27226ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// areCompatVectorTypes - Return true if the two specified vector types are 27236ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 27246ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 27256ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 27266ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner assert(LHS->isCanonical() && RHS->isCanonical()); 27276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 272861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 27296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 27306ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 27313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman/// canAssignObjCInterfaces - Return true if the two interface types are 27326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible for assignment from RHS to LHS. This handles validation of any 27336ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// protocol qualifiers on the LHS or RHS. 27346ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// 27353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 27363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS) { 27376ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 27386ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 27396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner if (!LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 27406ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 27416ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 27426ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 27436ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 27446ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner if (!isa<ObjCQualifiedInterfaceType>(LHS)) 27456ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 27466ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 27476ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 27486ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 27496ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner if (!isa<ObjCQualifiedInterfaceType>(RHS)) 27506ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 27516ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 27526ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Finally, we must have two protocol-qualified interfaces. 27536ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const ObjCQualifiedInterfaceType *LHSP =cast<ObjCQualifiedInterfaceType>(LHS); 27546ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const ObjCQualifiedInterfaceType *RHSP =cast<ObjCQualifiedInterfaceType>(RHS); 27556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 275691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // All LHS protocols must have a presence on the RHS. 275791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff assert(LHSP->qual_begin() != LHSP->qual_end() && "Empty LHS protocol list?"); 275891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 275991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff for (ObjCQualifiedInterfaceType::qual_iterator LHSPI = LHSP->qual_begin(), 276091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPE = LHSP->qual_end(); 276191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 276291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 276391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 276491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 276591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 276691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff for (ObjCQualifiedInterfaceType::qual_iterator RHSPI = RHSP->qual_begin(), 276791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSPE = RHSP->qual_end(); 276891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff !RHSImplementsProtocol && (RHSPI != RHSPE); RHSPI++) { 276991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) 277091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 277191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 277291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 277391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 277491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 277591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 277691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 277791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 27786ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 27796ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 2780389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 2781389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 2782389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff const PointerType *LHSPT = LHS->getAsPointerType(); 2783389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff const PointerType *RHSPT = RHS->getAsPointerType(); 2784389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 2785389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff if (!LHSPT || !RHSPT) 2786389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 2787389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 2788389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff QualType lhptee = LHSPT->getPointeeType(); 2789389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff QualType rhptee = RHSPT->getPointeeType(); 2790389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff const ObjCInterfaceType* LHSIface = lhptee->getAsObjCInterfaceType(); 2791389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff const ObjCInterfaceType* RHSIface = rhptee->getAsObjCInterfaceType(); 2792389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // ID acts sort of like void* for ObjC interfaces 2793389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff if (LHSIface && isObjCIdStructType(rhptee)) 2794389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return true; 2795389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff if (RHSIface && isObjCIdStructType(lhptee)) 2796389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return true; 2797389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff if (!LHSIface || !RHSIface) 2798389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 2799389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return canAssignObjCInterfaces(LHSIface, RHSIface) || 2800389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff canAssignObjCInterfaces(RHSIface, LHSIface); 2801389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 2802389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 2803ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 2804ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 2805ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// C99 6.2.7p1: Two types have compatible types if their types are the 2806ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 28073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 28083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 28093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 28103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28113d815e7eb56c25d7ed812eced32e41df43039f9aEli FriedmanQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs) { 28123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const FunctionType *lbase = lhs->getAsFunctionType(); 28133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const FunctionType *rbase = rhs->getAsFunctionType(); 281472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 281572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 28163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 28173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 28183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 28203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 28213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 282261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 282361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 282461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 282561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 28263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 28283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 28293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 28303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 28323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 28333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 28343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 28363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 28373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 28383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28397fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 28407fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 28417fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 28423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 28433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 28443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 28453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 28463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 28473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argtype = mergeTypes(largtype, rargtype); 28483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 28493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 285061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 285161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 285261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 285361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 28543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 28553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 28563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 28573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 28587fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis lproto->isVariadic(), lproto->getTypeQuals()); 28593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 28603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 28623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 28633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 286472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 28653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 28663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 28673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 28683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 28693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 28703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 28713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 28723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 28733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 28743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 28753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 28763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 28773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 28783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 28793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 28813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 28823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 28837fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis proto->getNumArgs(), lproto->isVariadic(), 28847fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis lproto->getTypeQuals()); 28853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 28863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 28883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 288972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return getFunctionNoProtoType(retType); 28903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 28913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 28923d815e7eb56c25d7ed812eced32e41df43039f9aEli FriedmanQualType ASTContext::mergeTypes(QualType LHS, QualType RHS) { 289343d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 289443d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 289543d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 28967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 28977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 28983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: C++ shouldn't be going through here! The rules are different 28993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // enough that they should be handled separately. 29007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // FIXME: Merging of lvalue and rvalue references is incorrect. C++ *really* 29017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // shouldn't be going through here! 29023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (const ReferenceType *RT = LHS->getAsReferenceType()) 2903c4e405996217f4be20f73186da53b23b5c4783dcChris Lattner LHS = RT->getPointeeType(); 29043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (const ReferenceType *RT = RHS->getAsReferenceType()) 2905c4e405996217f4be20f73186da53b23b5c4783dcChris Lattner RHS = RT->getPointeeType(); 29063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 29073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 29083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 29093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 2910f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 29113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 29123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 29133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 29143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // If the qualifiers are different, the types aren't compatible 29155a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // Note that we handle extended qualifiers later, in the 29165a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // case for ExtQualType. 29175a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (LHSCan.getCVRQualifiers() != RHSCan.getCVRQualifiers()) 29183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 29193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 29203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 29213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 2922f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 29231adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 29241adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 29251adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 29261adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 29274c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 29284c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 2929a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 2930a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 2931a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 2932a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 2933a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner 2934213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 2935213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 2936213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 2937ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 2938b0489814dcb3cb801eeb0784cc6b6fcf575ff71dChris Lattner // Consider qualified interfaces and interfaces the same. 2939b0489814dcb3cb801eeb0784cc6b6fcf575ff71dChris Lattner if (LHSClass == Type::ObjCQualifiedInterface) LHSClass = Type::ObjCInterface; 2940b0489814dcb3cb801eeb0784cc6b6fcf575ff71dChris Lattner if (RHSClass == Type::ObjCQualifiedInterface) RHSClass = Type::ObjCInterface; 29413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 29424e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 29434e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 29445fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff const ObjCInterfaceType* LHSIface = LHS->getAsObjCInterfaceType(); 29455fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff const ObjCInterfaceType* RHSIface = RHS->getAsObjCInterfaceType(); 29465fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 29475fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff // ID acts sort of like void* for ObjC interfaces 29485fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff if (LHSIface && isObjCIdStructType(RHS)) 29495fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 29505fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff if (RHSIface && isObjCIdStructType(LHS)) 29515fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return RHS; 29525fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 2953bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // ID is compatible with all qualified id types. 2954bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff if (LHS->isObjCQualifiedIdType()) { 2955bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff if (const PointerType *PT = RHS->getAsPointerType()) { 2956bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff QualType pType = PT->getPointeeType(); 2957389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff if (isObjCIdStructType(pType)) 2958bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return LHS; 2959bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // FIXME: need to use ObjCQualifiedIdTypesAreCompatible(LHS, RHS, true). 2960bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // Unfortunately, this API is part of Sema (which we don't have access 2961bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // to. Need to refactor. The following check is insufficient, since we 2962bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // need to make sure the class implements the protocol. 2963bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff if (pType->isObjCInterfaceType()) 2964bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return LHS; 2965bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff } 2966bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff } 2967bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff if (RHS->isObjCQualifiedIdType()) { 2968bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff if (const PointerType *PT = LHS->getAsPointerType()) { 2969bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff QualType pType = PT->getPointeeType(); 2970389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff if (isObjCIdStructType(pType)) 2971bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return RHS; 2972bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // FIXME: need to use ObjCQualifiedIdTypesAreCompatible(LHS, RHS, true). 2973bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // Unfortunately, this API is part of Sema (which we don't have access 2974bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // to. Need to refactor. The following check is insufficient, since we 2975bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // need to make sure the class implements the protocol. 2976bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff if (pType->isObjCInterfaceType()) 2977bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return RHS; 2978bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff } 2979bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff } 29801adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 29811adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // a signed integer type, or an unsigned integer type. 29823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (const EnumType* ETy = LHS->getAsEnumType()) { 29833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 29843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 2985bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 29863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (const EnumType* ETy = RHS->getAsEnumType()) { 29873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 29883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 2989bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 29901adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 29913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 2992ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 29933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 29944a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 29951adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 299672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 299772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 299872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 299972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 300072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 300172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 300272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 300372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 30047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 30057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 300672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 300772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 300872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 300972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 301072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 301172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 301272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 301372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 301472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ObjCQualifiedInterface: 301572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 301672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 301772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 30181adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 30193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 30203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 30213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSPointee = LHS->getAsPointerType()->getPointeeType(); 30223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSPointee = RHS->getAsPointerType()->getPointeeType(); 30233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 30243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 302561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 302661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 302761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 302861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 30293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 30303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 3031c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 3032c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 3033c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 3034c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff QualType LHSPointee = LHS->getAsBlockPointerType()->getPointeeType(); 3035c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff QualType RHSPointee = RHS->getAsBlockPointerType()->getPointeeType(); 3036c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 3037c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 3038c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 3039c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 3040c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 3041c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 3042c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 3043c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 30441adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 30453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 30463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 30473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 30483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 30493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 30503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 30513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 30523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 30533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 30543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 305561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 305661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 305761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 305861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 30593bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 30603bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 30613bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 30623bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 30633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 30643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 306561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 306661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 306761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 306861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 30693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 30703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 30713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 30723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 30733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 30743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 30753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 30763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 30773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 30783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 30793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 30803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 30813bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 30823bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 308361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return getIncompleteArrayType(ResultType, ArrayType::ArraySizeModifier(),0); 30843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 30851adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 30863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return mergeFunctionTypes(LHS, RHS); 308772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 308872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 30893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: Why are these compatible? 3090389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff if (isObjCIdStructType(LHS) && isObjCClassStructType(RHS)) return LHS; 3091389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff if (isObjCClassStructType(LHS) && isObjCIdStructType(RHS)) return LHS; 30923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 30931adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 30943cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 30953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 309664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 309764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 309864cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 30993cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 31005a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 31013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (areCompatVectorTypes(LHS->getAsVectorType(), RHS->getAsVectorType())) 31023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 310361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 310461490e9a965cfee8a78c12c6802138844f04250dCedric Venet case Type::ObjCInterface: { 31055fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff // Check if the interfaces are assignment compatible. 31065a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 31075a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 31085fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff const ObjCInterfaceType* LHSIface = LHS->getAsObjCInterfaceType(); 31095fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff const ObjCInterfaceType* RHSIface = RHS->getAsObjCInterfaceType(); 31105fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff if (LHSIface && RHSIface && 31115fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff canAssignObjCInterfaces(LHSIface, RHSIface)) 31125fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 31135fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 31143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 311561490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 3116bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff case Type::ObjCQualifiedId: 3117bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff // Distinct qualified id's are not compatible. 3118bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 31195a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman case Type::FixedWidthInt: 31205a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // Distinct fixed-width integers are not compatible. 31215a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return QualType(); 31225a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman case Type::ObjCQualifiedClass: 31235a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // Distinct qualified classes are not compatible. 31245a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return QualType(); 31255a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman case Type::ExtQual: 31265a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: ExtQual types can be compatible even if they're not 31275a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // identical! 31285a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return QualType(); 31295a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // First attempt at an implementation, but I'm not really sure it's 31305a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // right... 31315a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman#if 0 31325a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ExtQualType* LQual = cast<ExtQualType>(LHSCan); 31335a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ExtQualType* RQual = cast<ExtQualType>(RHSCan); 31345a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (LQual->getAddressSpace() != RQual->getAddressSpace() || 31355a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman LQual->getObjCGCAttr() != RQual->getObjCGCAttr()) 31365a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return QualType(); 31375a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman QualType LHSBase, RHSBase, ResultType, ResCanUnqual; 31385a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman LHSBase = QualType(LQual->getBaseType(), 0); 31395a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman RHSBase = QualType(RQual->getBaseType(), 0); 31405a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResultType = mergeTypes(LHSBase, RHSBase); 31415a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (ResultType.isNull()) return QualType(); 31425a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResCanUnqual = getCanonicalType(ResultType).getUnqualifiedType(); 31435a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (LHSCan.getUnqualifiedType() == ResCanUnqual) 31445a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return LHS; 31455a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (RHSCan.getUnqualifiedType() == ResCanUnqual) 31465a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return RHS; 31475a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResultType = getAddrSpaceQualType(ResultType, LQual->getAddressSpace()); 31485a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResultType = getObjCGCQualType(ResultType, LQual->getObjCGCAttr()); 31495a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResultType.setCVRQualifiers(LHSCan.getCVRQualifiers()); 31505a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return ResultType; 31515a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman#endif 31527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 31537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor case Type::TemplateSpecialization: 31547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor assert(false && "Dependent types have no size"); 31557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 3156ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 315772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 315872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 3159ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 31607192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 31615426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 3162ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 3163ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 316488054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 3165ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 3166ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman if (T == BoolTy) 3167ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 3168f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (FixedWidthIntType* FWIT = dyn_cast<FixedWidthIntType>(T)) { 3169f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return FWIT->getWidth(); 3170f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman } 3171f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 3172ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 3173ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 3174ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 3175ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 3176ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 3177ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman if (const EnumType* ETy = T->getAsEnumType()) 3178ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 3179ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman const BuiltinType* BTy = T->getAsBuiltinType(); 3180ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert (BTy && "Unexpected signed integer type"); 3181ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 3182ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 3183ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 3184ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 3185ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 3186ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 3187ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 3188ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 3189ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 3190ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 3191ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 3192ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 3193ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 3194ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 3195ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 3196ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 3197ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 3198ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 3199ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 3200ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 32015426bf6456a5aeac416a9150de157904d101c819Chris Lattner// Serialization Support 32025426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 32035426bf6456a5aeac416a9150de157904d101c819Chris Lattner 3204a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattnerenum { 3205a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner BasicMetadataBlock = 1, 3206a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner ASTContextBlock = 2, 3207a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner DeclsBlock = 3 3208a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner}; 3209a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3210557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattnervoid ASTContext::EmitASTBitcodeBuffer(std::vector<unsigned char> &Buffer) const{ 3211557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner // Create bitstream. 3212557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner llvm::BitstreamWriter Stream(Buffer); 3213557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner 3214557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner // Emit the preamble. 3215557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Emit((unsigned)'B', 8); 3216557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Emit((unsigned)'C', 8); 3217557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Emit(0xC, 4); 3218557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Emit(0xF, 4); 3219557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Emit(0xE, 4); 3220557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Emit(0x0, 4); 3221557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner 3222557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner // Create serializer. 3223557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner llvm::Serializer S(Stream); 3224557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner 3225a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // ===---------------------------------------------------===/ 3226a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Serialize the "Translation Unit" metadata. 3227a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // ===---------------------------------------------------===/ 3228a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3229a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Emit ASTContext. 3230a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.EnterBlock(ASTContextBlock); 3231a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.EmitOwnedPtr(this); 3232a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.ExitBlock(); // exit "ASTContextBlock" 3233a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3234a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.EnterBlock(BasicMetadataBlock); 3235a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3236a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Block for SourceManager and Target. Allows easy skipping 3237a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // around to the block for the Selectors during deserialization. 3238a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.EnterBlock(); 3239a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3240a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Emit the SourceManager. 3241a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.Emit(getSourceManager()); 3242a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3243a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Emit the Target. 3244a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.EmitPtr(&Target); 3245a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.EmitCStr(Target.getTargetTriple()); 3246a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3247a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.ExitBlock(); // exit "SourceManager and Target Block" 3248a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3249a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Emit the Selectors. 3250a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.Emit(Selectors); 3251a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3252a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Emit the Identifier Table. 3253a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.Emit(Idents); 3254a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3255a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner S.ExitBlock(); // exit "BasicMetadataBlock" 3256a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner} 3257a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3258a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 32597192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek/// Emit - Serialize an ASTContext object to Bitcode. 32607192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenekvoid ASTContext::Emit(llvm::Serializer& S) const { 3261e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek S.Emit(LangOpts); 32625451350ea6881c55c9e05f3a15486471b97f0757Ted Kremenek S.EmitRef(SourceMgr); 32635451350ea6881c55c9e05f3a15486471b97f0757Ted Kremenek S.EmitRef(Target); 32645451350ea6881c55c9e05f3a15486471b97f0757Ted Kremenek S.EmitRef(Idents); 32655451350ea6881c55c9e05f3a15486471b97f0757Ted Kremenek S.EmitRef(Selectors); 32667192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 3267fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek // Emit the size of the type vector so that we can reserve that size 3268fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek // when we reconstitute the ASTContext object. 3269a4559c3f69f3a5b01cced8df4f69c03c45821c74Ted Kremenek S.EmitInt(Types.size()); 3270a4559c3f69f3a5b01cced8df4f69c03c45821c74Ted Kremenek 327103ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek for (std::vector<Type*>::const_iterator I=Types.begin(), E=Types.end(); 327203ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek I!=E;++I) 327303ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek (*I)->Emit(S); 3274a4559c3f69f3a5b01cced8df4f69c03c45821c74Ted Kremenek 3275ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis S.EmitOwnedPtr(TUDecl); 3276ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 3277a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek // FIXME: S.EmitOwnedPtr(CFConstantStringTypeDecl); 32787192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek} 32797192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 3280557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner 3281557c5b1717bc8919b1b40cf2064b51491ec53a44Chris LattnerASTContext *ASTContext::ReadASTBitcodeBuffer(llvm::MemoryBuffer &Buffer, 3282557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner FileManager &FMgr) { 3283557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner // Check if the file is of the proper length. 3284557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner if (Buffer.getBufferSize() & 0x3) { 3285557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner // FIXME: Provide diagnostic: "Length should be a multiple of 4 bytes." 3286557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner return 0; 3287557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner } 3288557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner 3289557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner // Create the bitstream reader. 3290557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner unsigned char *BufPtr = (unsigned char *)Buffer.getBufferStart(); 3291557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner llvm::BitstreamReader Stream(BufPtr, BufPtr+Buffer.getBufferSize()); 3292557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner 3293557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner if (Stream.Read(8) != 'B' || 3294557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Read(8) != 'C' || 3295557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Read(4) != 0xC || 3296557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Read(4) != 0xF || 3297557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Read(4) != 0xE || 3298557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner Stream.Read(4) != 0x0) { 3299557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner // FIXME: Provide diagnostic. 3300557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner return NULL; 3301557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner } 3302557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner 3303557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner // Create the deserializer. 3304557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner llvm::Deserializer Dezr(Stream); 3305557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner 3306a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // ===---------------------------------------------------===/ 3307a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Deserialize the "Translation Unit" metadata. 3308a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // ===---------------------------------------------------===/ 3309a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3310a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Skip to the BasicMetaDataBlock. First jump to ASTContextBlock 3311a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // (which will appear earlier) and record its location. 3312a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3313a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner bool FoundBlock = Dezr.SkipToBlock(ASTContextBlock); 3314a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner assert (FoundBlock); 3315a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3316a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner llvm::Deserializer::Location ASTContextBlockLoc = 3317a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner Dezr.getCurrentBlockLocation(); 3318a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3319a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner FoundBlock = Dezr.SkipToBlock(BasicMetadataBlock); 3320a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner assert (FoundBlock); 3321a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3322a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Read the SourceManager. 3323a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner SourceManager::CreateAndRegister(Dezr, FMgr); 3324a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3325a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner { // Read the TargetInfo. 3326a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner llvm::SerializedPtrID PtrID = Dezr.ReadPtrID(); 3327a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner char* triple = Dezr.ReadCStr(NULL,0,true); 3328a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner Dezr.RegisterPtr(PtrID, TargetInfo::CreateTargetInfo(std::string(triple))); 3329a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner delete [] triple; 3330a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner } 3331a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3332a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // For Selectors, we must read the identifier table first because the 3333a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // SelectorTable depends on the identifiers being already deserialized. 3334a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner llvm::Deserializer::Location SelectorBlkLoc = Dezr.getCurrentBlockLocation(); 3335a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner Dezr.SkipBlock(); 3336a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3337a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Read the identifier table. 3338a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner IdentifierTable::CreateAndRegister(Dezr); 3339a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3340a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Now jump back and read the selectors. 3341a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner Dezr.JumpTo(SelectorBlkLoc); 3342a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner SelectorTable::CreateAndRegister(Dezr); 3343a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 3344a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner // Now jump back to ASTContextBlock and read the ASTContext. 3345a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner Dezr.JumpTo(ASTContextBlockLoc); 3346a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner return Dezr.ReadOwnedPtr<ASTContext>(); 3347a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner} 3348a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner 33490f84c0059cec39fd1c73ac05bc2864dca664e7f4Ted KremenekASTContext* ASTContext::Create(llvm::Deserializer& D) { 3350e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 3351e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek // Read the language options. 3352e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LangOptions LOpts; 3353e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek LOpts.Read(D); 3354e7d07d113677a39026ff5119b8b67f6fe8ca9793Ted Kremenek 3355fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek SourceManager &SM = D.ReadRef<SourceManager>(); 3356fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek TargetInfo &t = D.ReadRef<TargetInfo>(); 3357fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek IdentifierTable &idents = D.ReadRef<IdentifierTable>(); 3358fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek SelectorTable &sels = D.ReadRef<SelectorTable>(); 33590ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner 3360fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek unsigned size_reserve = D.ReadInt(); 3361fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 33622e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor ASTContext* A = new ASTContext(LOpts, SM, t, idents, sels, 33632e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor size_reserve); 3364fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 336503ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek for (unsigned i = 0; i < size_reserve; ++i) 336603ed44061df258e74a40383bda849e14b892a8c6Ted Kremenek Type::Create(*A,i,D); 33670ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner 3368ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis A->TUDecl = cast<TranslationUnitDecl>(D.ReadOwnedPtr<Decl>(*A)); 3369ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 3370a9a4a24592a2164114a8a36717650e6341eb67a4Ted Kremenek // FIXME: A->CFConstantStringTypeDecl = D.ReadOwnedPtr<RecordDecl>(); 3371fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek 3372fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek return A; 3373fee0452973f28691a61aab0fb074468ce3e34b9bTed Kremenek} 33742cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 33752cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 33762cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 33772cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 3378