ASTContext.cpp revision 2d3c191e1d5545e1724ee6e0550c70eef54beff2
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" 2019cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 211b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 22a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 2485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 256fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 26557c5b1717bc8919b1b40cf2064b51491ec53a44Chris Lattner#include "llvm/Support/MemoryBuffer.h" 2729445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson#include "RecordLayoutBuilder.h" 2829445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3561710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 3661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner TargetInfo &t, 37e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 381b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 391b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner bool FreeMem, unsigned size_reserve) : 40ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0), 41c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), 42c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor SourceMgr(SM), LangOpts(LOpts), 432e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LoadedExternalComments(false), FreeMemory(FreeMem), Target(t), 442e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 45e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner BuiltinInfo(builtins), ExternalSource(0), PrintingPolicy(LOpts) { 46e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar if (size_reserve > 0) Types.reserve(size_reserve); 47e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 4814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 49e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 50e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Deallocate all the types. 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (!Types.empty()) { 544b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek Types.back()->Destroy(*this); 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.pop_back(); 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 57b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman 58b74668edbc119880eb0a7e563432314432cb775dNuno Lopes { 59b74668edbc119880eb0a7e563432314432cb775dNuno Lopes llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 60b74668edbc119880eb0a7e563432314432cb775dNuno Lopes I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); 61b74668edbc119880eb0a7e563432314432cb775dNuno Lopes while (I != E) { 62b74668edbc119880eb0a7e563432314432cb775dNuno Lopes ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second); 63b74668edbc119880eb0a7e563432314432cb775dNuno Lopes delete R; 64b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 65b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 66b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 67b74668edbc119880eb0a7e563432314432cb775dNuno Lopes { 68b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar llvm::DenseMap<const ObjCContainerDecl*, const ASTRecordLayout*>::iterator 69b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar I = ObjCLayouts.begin(), E = ObjCLayouts.end(); 70b74668edbc119880eb0a7e563432314432cb775dNuno Lopes while (I != E) { 71b74668edbc119880eb0a7e563432314432cb775dNuno Lopes ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second); 72b74668edbc119880eb0a7e563432314432cb775dNuno Lopes delete R; 73b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 74b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 75b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 76ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor // Destroy nested-name-specifiers. 771ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor for (llvm::FoldingSet<NestedNameSpecifier>::iterator 781ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNS = NestedNameSpecifiers.begin(), 791ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNSEnd = NestedNameSpecifiers.end(); 80e7dcd782df0e1cc3a63e429a866098e69db39153Douglas Gregor NNS != NNSEnd; 811ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor /* Increment in loop */) 821ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor (*NNS++).Destroy(*this); 83ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 84ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor if (GlobalNestedNameSpecifier) 85ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier->Destroy(*this); 86ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 87b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman TUDecl->Destroy(*this); 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 902cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid 912cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 922cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 932cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 942cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 99dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 100dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) 0, 101dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 102dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 103dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 104dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 105c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 108dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 111dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 112dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 113dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 114dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 115dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 116dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 117dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 118dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 119dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 120dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 121dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 1222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1232cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 1242cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 1252cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 1262cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinType(QualType &R, BuiltinType::Kind K) { 131f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff Types.push_back((R = QualType(new (*this,8) BuiltinType(K),0)).getTypePtr()); 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 14315b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 16564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 1662df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 1672df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 1682df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 1692df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 1703a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 1713a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 1723a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 1733a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 17464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 175f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 176f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 177f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 178f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 179f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 180f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 181f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 182f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 183f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 184f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 1858e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 186898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 187898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 188898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 189898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 190898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 191898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 192898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 193898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 1948e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 195e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // Placeholder type for C++0x auto declarations whose real type has 196e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 197e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 198e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 2038e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2047e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 20514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 206de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 207de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 208de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 209de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 210de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // Builtin types for 'id' and 'Class'. 211de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 212de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 21314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 214a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 21533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 21633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 21733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 2186e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 2196e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 2206e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2237caa6825f42a0f7e97d6fc06233133c42b218e46Douglas GregorVarDecl *ASTContext::getInstantiatedFromStaticDataMember(VarDecl *Var) { 2247caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 2257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor llvm::DenseMap<VarDecl *, VarDecl *>::iterator Pos 2267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 2277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 2287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 2297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2307caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 2317caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2327caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2337caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregorvoid 2347caa6825f42a0f7e97d6fc06233133c42b218e46Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl) { 2357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 2367caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 2377caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 2387caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 2397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor InstantiatedFromStaticDataMember[Inst] = Tmpl; 2407caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2417caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2422e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregornamespace { 2432e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor class BeforeInTranslationUnit 2442e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor : std::binary_function<SourceRange, SourceRange, bool> { 2452e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceManager *SourceMgr; 2462e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2472e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor public: 2482e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { } 2492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2502e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool operator()(SourceRange X, SourceRange Y) { 2512e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin()); 2522e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 2532e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor }; 2542e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 2552e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2562e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \brief Determine whether the given comment is a Doxygen-style comment. 2572e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// 2582e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \param Start the start of the comment text. 2592e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// 2602e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \param End the end of the comment text. 2612e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// 2622e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \param Member whether we want to check whether this is a member comment 2632e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// (which requires a < after the Doxygen-comment delimiter). Otherwise, 2642e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// we only return true when we find a non-member comment. 2652e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregorstatic bool 2662e22253e03e175144aeb9d13350a12fd83f858beDouglas GregorisDoxygenComment(SourceManager &SourceMgr, SourceRange Comment, 2672e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool Member = false) { 2682e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char *BufferStart 2692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getBufferData(SourceMgr.getFileID(Comment.getBegin())).first; 2702e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char *Start = BufferStart + SourceMgr.getFileOffset(Comment.getBegin()); 2712e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char* End = BufferStart + SourceMgr.getFileOffset(Comment.getEnd()); 2722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2732e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (End - Start < 4) 2742e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return false; 2752e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2762e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor assert(Start[0] == '/' && "Not a comment?"); 2772e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Start[1] == '*' && !(Start[2] == '!' || Start[2] == '*')) 2782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return false; 2792e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Start[1] == '/' && !(Start[2] == '!' || Start[2] == '/')) 2802e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return false; 2812e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2822e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return (Start[3] == '<') == Member; 2832e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 2842e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2852e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \brief Retrieve the comment associated with the given declaration, if 2862e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// it has one. 2872e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregorconst char *ASTContext::getCommentForDecl(const Decl *D) { 2882e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!D) 2892e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 2902e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2912e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Check whether we have cached a comment string for this declaration 2922e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // already. 2932e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor llvm::DenseMap<const Decl *, std::string>::iterator Pos 2942e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = DeclComments.find(D); 2952e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Pos != DeclComments.end()) 2962e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return Pos->second.c_str(); 2972e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 2982e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If we have an external AST source and have not yet loaded comments from 2992e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // that source, do so now. 3002e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (ExternalSource && !LoadedExternalComments) { 3012e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange> LoadedComments; 3022e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ExternalSource->ReadComments(LoadedComments); 3032e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3042e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!LoadedComments.empty()) 3052e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Comments.insert(Comments.begin(), LoadedComments.begin(), 3062e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LoadedComments.end()); 3072e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3082e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LoadedExternalComments = true; 3092e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3102e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3112e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If there are no comments anywhere, we won't find anything. 3122e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Comments.empty()) 3132e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 3142e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3152e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the declaration doesn't map directly to a location in a file, we 3162e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // can't find the comment. 3172e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceLocation DeclStartLoc = D->getLocStart(); 3182e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (DeclStartLoc.isInvalid() || !DeclStartLoc.isFileID()) 3192e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 3202e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3212e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Find the comment that occurs just before this declaration. 3222e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange>::iterator LastComment 3232e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = std::lower_bound(Comments.begin(), Comments.end(), 3242e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceRange(DeclStartLoc), 3252e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor BeforeInTranslationUnit(&SourceMgr)); 3262e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3272e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Decompose the location for the start of the declaration and find the 3282e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // beginning of the file buffer. 3292e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> DeclStartDecomp 3302e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(DeclStartLoc); 3312e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char *FileBufferStart 3322e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getBufferData(DeclStartDecomp.first).first; 3332e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3342e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // First check whether we have a comment for a member. 3352e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (LastComment != Comments.end() && 3362e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor !isa<TagDecl>(D) && !isa<NamespaceDecl>(D) && 3372e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor isDoxygenComment(SourceMgr, *LastComment, true)) { 3382e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> LastCommentEndDecomp 3392e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(LastComment->getEnd()); 3402e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (DeclStartDecomp.first == LastCommentEndDecomp.first && 3412e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceMgr.getLineNumber(DeclStartDecomp.first, DeclStartDecomp.second) 3422e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor == SourceMgr.getLineNumber(LastCommentEndDecomp.first, 3432e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LastCommentEndDecomp.second)) { 3442e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // The Doxygen member comment comes after the declaration starts and 3452e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // is on the same line and in the same file as the declaration. This 3462e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // is the comment we want. 3472e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::string &Result = DeclComments[D]; 3482e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Result.append(FileBufferStart + 3492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceMgr.getFileOffset(LastComment->getBegin()), 3502e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor FileBufferStart + LastCommentEndDecomp.second + 1); 3512e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return Result.c_str(); 3522e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3532e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3542e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3552e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (LastComment == Comments.begin()) 3562e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 3572e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor --LastComment; 3582e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3592e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Decompose the end of the comment. 3602e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> LastCommentEndDecomp 3612e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(LastComment->getEnd()); 3622e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3632e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the comment and the declaration aren't in the same file, then they 3642e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // aren't related. 3652e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (DeclStartDecomp.first != LastCommentEndDecomp.first) 3662e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 3672e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3682e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Check that we actually have a Doxygen comment. 3692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!isDoxygenComment(SourceMgr, *LastComment)) 3702e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 3712e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Compute the starting line for the declaration and for the end of the 3732e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // comment (this is expensive). 3742e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor unsigned DeclStartLine 3752e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getLineNumber(DeclStartDecomp.first, DeclStartDecomp.second); 3762e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor unsigned CommentEndLine 3772e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getLineNumber(LastCommentEndDecomp.first, 3782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LastCommentEndDecomp.second); 3792e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3802e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the comment does not end on the line prior to the declaration, then 3812e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // the comment is not associated with the declaration at all. 3822e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (CommentEndLine + 1 != DeclStartLine) 3832e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 3842e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3852e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // We have a comment, but there may be more comments on the previous lines. 3862e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Keep looking so long as the comments are still Doxygen comments and are 3872e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // still adjacent. 3882e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor unsigned ExpectedLine 3892e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getSpellingLineNumber(LastComment->getBegin()) - 1; 3902e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange>::iterator FirstComment = LastComment; 3912e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor while (FirstComment != Comments.begin()) { 3922e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Look at the previous comment 3932e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor --FirstComment; 3942e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> Decomp 3952e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(FirstComment->getEnd()); 3962e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3972e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If this previous comment is in a different file, we're done. 3982e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Decomp.first != DeclStartDecomp.first) { 3992e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 4002e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor break; 4012e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4022e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4032e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If this comment is not a Doxygen comment, we're done. 4042e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!isDoxygenComment(SourceMgr, *FirstComment)) { 4052e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 4062e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor break; 4072e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4082e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4092e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the line number is not what we expected, we're done. 4102e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor unsigned Line = SourceMgr.getLineNumber(Decomp.first, Decomp.second); 4112e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Line != ExpectedLine) { 4122e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 4132e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor break; 4142e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4152e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4162e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Set the next expected line number. 4172e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ExpectedLine 4182e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getSpellingLineNumber(FirstComment->getBegin()) - 1; 4192e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4202e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4212e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // The iterator range [FirstComment, LastComment] contains all of the 4222e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // BCPL comments that, together, are associated with this declaration. 4232e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Form a single comment block string for this declaration that concatenates 4242e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // all of these comments. 4252e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::string &Result = DeclComments[D]; 4262e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor while (FirstComment != LastComment) { 4272e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> DecompStart 4282e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(FirstComment->getBegin()); 4292e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> DecompEnd 4302e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(FirstComment->getEnd()); 4312e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Result.append(FileBufferStart + DecompStart.second, 4322e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor FileBufferStart + DecompEnd.second + 1); 4332e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 4342e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4352e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4362e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Append the last comment line. 4372e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Result.append(FileBufferStart + 4382e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceMgr.getFileOffset(LastComment->getBegin()), 4392e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor FileBufferStart + LastCommentEndDecomp.second + 1); 4402e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return Result.c_str(); 4412e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 4422e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 443464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 444464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 445464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 446a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 447b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 448b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 449b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 450b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const BuiltinType *BT = T->getAsBuiltinType(); 451b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 452b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 453b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 454b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 455b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 456b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 457b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 458b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 459b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 460af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// getDeclAlign - Return a conservative estimate of the alignment of the 461af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 462af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 463b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbarunsigned ASTContext::getDeclAlignInBytes(const Decl *D) { 464dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 465dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 46640b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 467dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, AA->getAlignment()); 468dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 469af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 470af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 47135366a67baa970c287c714c957cf78a4131cf60dTed Kremenek if (const ReferenceType* RT = T->getAsReferenceType()) { 4724cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson unsigned AS = RT->getPointeeType().getAddressSpace(); 473f0930235ce58a91aa3b840bece9052f44d630536Anders Carlsson Align = Target.getPointerAlign(AS); 4744cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson } else if (!T->isIncompleteType() && !T->isFunctionType()) { 4754cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 476dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 477dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 478dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 479dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 480dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 481af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 482dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 483dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman return Align / Target.getCharWidth(); 484af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 485b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 486a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 487a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 488d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 4891d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 4905e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 4915e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 492a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 49372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 49472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 49518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 49672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 49772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 49818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 49972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 50072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5015d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 5025d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 50318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 50418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 50518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 50618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 50718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 50872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 509fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 51018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 51118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 51218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 51318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 5147e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor case Type::ConstantArrayWithExpr: 5157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor case Type::ConstantArrayWithoutExpr: 516fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 5171d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 518030d8846c7e520330007087e949f621989876e3aChris Lattner 51998be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 5209e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 521030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 522030d8846c7e520330007087e949f621989876e3aChris Lattner break; 5235c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 524213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 525030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 526030d8846c7e520330007087e949f621989876e3aChris Lattner std::pair<uint64_t, unsigned> EltInfo = 52798be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<VectorType>(T)->getElementType()); 5289e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*cast<VectorType>(T)->getNumElements(); 5294bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 5306fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 5316fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 5326fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // FIXME: this should probably be a target property. 5336fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman Align = 1 << llvm::Log2_32_Ceil(Align); 534030d8846c7e520330007087e949f621989876e3aChris Lattner break; 535030d8846c7e520330007087e949f621989876e3aChris Lattner } 5365d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 5379e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 538a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 539692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 540d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 54118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 54218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 54318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 54418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 54518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 5466f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 5479e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 5489e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 5496f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 550692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 551692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 552692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 5536f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 5549e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 5559e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 5566f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 55764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 55864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 55964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 56064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 561f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 562f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 563f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 564f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 565f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 566f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 567f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 568f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 569692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 5706f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 5719e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 5729e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 5736f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 574692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 5756f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 5769e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 5779e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 5786f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 579692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 5806f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 5819e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 5829e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 5836f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 584692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 5856f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 5869e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 5879e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 5886f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 589ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 590ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 591ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 592ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 593ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 5946f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 5959e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 5969e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 5976f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5986f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 5995426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 6005426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 6016f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6026f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 6039e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 6049e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 6056f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6066e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 6076e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 6086e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 6091590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 610a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 611bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 612f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman case Type::FixedWidthInt: 613f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // FIXME: This isn't precisely correct; the width/alignment should depend 614f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // on the available types for the target 615f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman Width = cast<FixedWidthIntType>(T)->getWidth(); 616736166b38235cf6d0ffb67638960d95fb2afcbd6Chris Lattner Width = std::max(llvm::NextPowerOf2(Width - 1), (uint64_t)8); 617f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman Align = Width; 618f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman break; 619f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian case Type::ExtQual: 62098be4943e8dc4f3905629a7102668960873cf863Chris Lattner // FIXME: Pointers into different addr spaces could have different sizes and 62198be4943e8dc4f3905629a7102668960873cf863Chris Lattner // alignment requirements: getPointerInfo should take an AddrSpace. 622f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian return getTypeInfo(QualType(cast<ExtQualType>(T)->getBaseType(), 0)); 623d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 6245426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 625f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 6266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 627485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 628485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 629485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 630485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 631485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 632485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 633f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 634f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 6355426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 636f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 637f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 638f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 6397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 6407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 6417ab2ed8e881ffdc84e890f5265c41b930df17ceeChris Lattner // "When applied to a reference or a reference type, the result is the size 6425d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // of the referenced type." C++98 5.3.3p2: expr.sizeof. 6436f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner // FIXME: This is wrong for struct layout: a reference in a struct has 6446f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner // pointer size. 645bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner return getTypeInfo(cast<ReferenceType>(T)->getPointeeType()); 646f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 6471cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson // FIXME: This is ABI dependent. We use the Itanium C++ ABI. 6481cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson // http://www.codesourcery.com/public/cxx-abi/abi.html#member-pointers 6491cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson // If we ever want to support other ABIs this needs to be abstracted. 6501cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson 651f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 6521cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson std::pair<uint64_t, unsigned> PtrDiffInfo = 6531cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 6541cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Width = PtrDiffInfo.first; 655f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 656f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 6571cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 6581cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 659f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 6605d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 6615d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 6625d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 6635d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner std::pair<uint64_t, unsigned> EltInfo = 66498be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 6659e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 6665d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 6675d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 6685d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 66944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 6701d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 67144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 67244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 67344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 67444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 67544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 67672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 67772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 6781d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 6791d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 6801d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 6818389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 6828389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 6838389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 6848389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 6858389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner 6861d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 6877176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 6887176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 6891d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 6907176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 6917176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 6927176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 693dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 694a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 6957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 69618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 69718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 69840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 69918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = Aligned->getAlignment(); 70018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 70118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 70218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 7037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 7047176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 70518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 70618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 70718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 70818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 70918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 71018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 71118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 71218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 713395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 714395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 715395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 716395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 71718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::QualifiedName: 71818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<QualifiedNameType>(T)->getNamedType().getTypePtr()); 71918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 72018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 72118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(getCanonicalType(T) != T && 72218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 72318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 72418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 72518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 72618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 72718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 728d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner 729464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 7309e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 731a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 732a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 73334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 73434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 73534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 73634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 73734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 73834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 7391eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 7401eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 7411eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (const ComplexType* CT = T->getAsComplexType()) 7421eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 7431eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 7441eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 7451eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 7461eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 74734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 74834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 74934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 750a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 751a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 752a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 753a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 754a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 755f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 756a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 757a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 758a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 759a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 760a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 761a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 762a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 763a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 764a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 765a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 766a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 767a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 7688e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 7698e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 7708e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 7718e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 7728e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars, 7738e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian bool CollectSynthesized) { 7748e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 7758e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 7768e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 7778e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 7788e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if (CollectSynthesized) 7798e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian CollectSynthesizedIvars(OI, Ivars); 7808e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 7818e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 7829820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanianvoid ASTContext::CollectProtocolSynthesizedIvars(const ObjCProtocolDecl *PD, 7839820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 78417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCContainerDecl::prop_iterator I = PD->prop_begin(), 78517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = PD->prop_end(); I != E; ++I) 7869820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian if (ObjCIvarDecl *Ivar = (*I)->getPropertyIvarDecl()) 7879820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian Ivars.push_back(Ivar); 7889820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 7899820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian // Also look into nested protocols. 7909820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = PD->protocol_begin(), 7919820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian E = PD->protocol_end(); P != E; ++P) 7929820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian CollectProtocolSynthesizedIvars(*P, Ivars); 7939820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 7949820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 7959820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// CollectSynthesizedIvars - 7969820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// This routine collect synthesized ivars for the designated class. 7979820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 7989820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanianvoid ASTContext::CollectSynthesizedIvars(const ObjCInterfaceDecl *OI, 7999820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 80017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCInterfaceDecl::prop_iterator I = OI->prop_begin(), 80117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = OI->prop_end(); I != E; ++I) { 8029820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian if (ObjCIvarDecl *Ivar = (*I)->getPropertyIvarDecl()) 8039820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian Ivars.push_back(Ivar); 8049820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian } 8059820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian // Also look into interface's protocol list for properties declared 8069820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian // in the protocol and whose ivars are synthesized. 8079820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 8089820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 8099820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian ObjCProtocolDecl *PD = (*P); 8109820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian CollectProtocolSynthesizedIvars(PD, Ivars); 8119820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian } 8129820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 8139820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 8148e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianunsigned ASTContext::CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD) { 8158e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned count = 0; 81617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCContainerDecl::prop_iterator I = PD->prop_begin(), 81717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = PD->prop_end(); I != E; ++I) 8188e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if ((*I)->getPropertyIvarDecl()) 8198e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian ++count; 8208e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8218e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian // Also look into nested protocols. 8228e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = PD->protocol_begin(), 8238e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = PD->protocol_end(); P != E; ++P) 8248e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian count += CountProtocolSynthesizedIvars(*P); 8258e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 8268e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8278e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8288e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianunsigned ASTContext::CountSynthesizedIvars(const ObjCInterfaceDecl *OI) 8298e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian{ 8308e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned count = 0; 83117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCInterfaceDecl::prop_iterator I = OI->prop_begin(), 83217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = OI->prop_end(); I != E; ++I) { 8338e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if ((*I)->getPropertyIvarDecl()) 8348e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian ++count; 8358e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 8368e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian // Also look into interface's protocol list for properties declared 8378e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian // in the protocol and whose ivars are synthesized. 8388e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 8398e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 8408e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian ObjCProtocolDecl *PD = (*P); 8418e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian count += CountProtocolSynthesizedIvars(PD); 8428e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 8438e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 8448e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8458e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8468a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 8478a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 8488a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8498a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8508a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8518a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 8528a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8538a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8548a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 8558a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 8568a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8578a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 8608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 8638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 8648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 8658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 8668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 8678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 8688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 8708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 8718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 8728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 8738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 8748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 876b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// getInterfaceLayoutImpl - Get or compute information about the 877b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// layout of the given interface. 878b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// 879b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// \param Impl - If given, also include the layout of the interface's 880b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// implementation. This may differ by including synthesized ivars. 88144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patelconst ASTRecordLayout & 882b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getObjCLayout(const ObjCInterfaceDecl *D, 883b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ObjCImplementationDecl *Impl) { 884532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar assert(!D->isForwardDecl() && "Invalid interface decl!"); 885532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar 88644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Look up this layout, if already laid out, return what we have. 887d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar ObjCContainerDecl *Key = 888d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar Impl ? (ObjCContainerDecl*) Impl : (ObjCContainerDecl*) D; 889d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar if (const ASTRecordLayout *Entry = ObjCLayouts[Key]) 890d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar return *Entry; 89144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 892453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // Add in synthesized ivar count if laying out an implementation. 893453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar if (Impl) { 89429445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson unsigned FieldCount = D->ivar_size(); 8958e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned SynthCount = CountSynthesizedIvars(D); 8968e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian FieldCount += SynthCount; 897d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar // If there aren't any sythesized ivars then reuse the interface 898453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entry. Note we can't cache this because we simply free all 899453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entries later; however we shouldn't look up implementations 900453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // frequently. 9018e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if (SynthCount == 0) 902453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar return getObjCLayout(D, 0); 903453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar } 904453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar 90529445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson const ASTRecordLayout *NewEntry = 90629445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D, Impl); 90729445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ObjCLayouts[Key] = NewEntry; 90829445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 90944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel return *NewEntry; 91044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel} 91144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 912b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 913b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 914b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 915b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 916b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 917b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 918b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 919b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 920b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 921b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 92288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel/// getASTRecordLayout - Get or compute information about the layout of the 923464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// specified record (struct/union/class), which indicates its size and field 924464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// position information. 92598be4943e8dc4f3905629a7102668960873cf863Chris Lattnerconst ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) { 9264b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek D = D->getDefinition(*this); 9274b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek assert(D && "Cannot get layout of forward declarations!"); 9284bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 929464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Look up this layout, if already laid out, return what we have. 930ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // Note that we can't save a reference to the entry because this function 931ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // is recursive. 932ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman const ASTRecordLayout *Entry = ASTRecordLayouts[D]; 933464175bba1318bef7905122e9fda20cff926df78Chris Lattner if (Entry) return *Entry; 9344bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 93529445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson const ASTRecordLayout *NewEntry = 93629445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D); 937ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman ASTRecordLayouts[D] = NewEntry; 93829445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 9395d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner return *NewEntry; 940464175bba1318bef7905122e9fda20cff926df78Chris Lattner} 941464175bba1318bef7905122e9fda20cff926df78Chris Lattner 942a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 943a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 944a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 945a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 946f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 947f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 948f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 949f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 950b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 951b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // If we are composing extended qualifiers together, merge together into one 952b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // ExtQualType node. 953b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner unsigned CVRQuals = T.getCVRQualifiers(); 954b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner QualType::GCAttrTypes GCAttr = QualType::GCNone; 955b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner Type *TypeNode = T.getTypePtr(); 956b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 957b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (ExtQualType *EQT = dyn_cast<ExtQualType>(TypeNode)) { 958b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // If this type already has an address space specified, it cannot get 959b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // another one. 960b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner assert(EQT->getAddressSpace() == 0 && 961b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner "Type cannot be in multiple addr spaces!"); 962b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttr = EQT->getObjCGCAttr(); 963b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner TypeNode = EQT->getBaseType(); 964b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner } 965f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner 966b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // Check if we've already instantiated this type. 967ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb llvm::FoldingSetNodeID ID; 9682455636163fdd18581d7fdae816433f886d88213Mike Stump ExtQualType::Profile(ID, TypeNode, AddressSpace, GCAttr); 969ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb void *InsertPos = 0; 970f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian if (ExtQualType *EXTQy = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos)) 971b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return QualType(EXTQy, CVRQuals); 972b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 973ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // If the base type isn't canonical, this won't be a canonical type either, 974ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // so fill in the canonical type field. 975ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb QualType Canonical; 976b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (!TypeNode->isCanonical()) { 977f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian Canonical = getAddrSpaceQualType(CanT, AddressSpace); 978ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 979b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // Update InsertPos, the previous call could have invalidated it. 980f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian ExtQualType *NewIP = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos); 981f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 982ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb } 983b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner ExtQualType *New = 984b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner new (*this, 8) ExtQualType(TypeNode, Canonical, AddressSpace, GCAttr); 985f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian ExtQualTypes.InsertNode(New, InsertPos); 986ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb Types.push_back(New); 987b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return QualType(New, CVRQuals); 988ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 989ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 990b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 991b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner QualType::GCAttrTypes GCAttr) { 992d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 993b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 994d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 995d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 9964027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 99735366a67baa970c287c714c957cf78a4131cf60dTed Kremenek QualType Pointee = T->getAsPointerType()->getPointeeType(); 99858f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 9994027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 10004027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 10014027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10024027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 1003b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // If we are composing extended qualifiers together, merge together into one 1004b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // ExtQualType node. 1005b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner unsigned CVRQuals = T.getCVRQualifiers(); 1006b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner Type *TypeNode = T.getTypePtr(); 1007b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner unsigned AddressSpace = 0; 1008b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 1009b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (ExtQualType *EQT = dyn_cast<ExtQualType>(TypeNode)) { 10102455636163fdd18581d7fdae816433f886d88213Mike Stump // If this type already has an ObjCGC specified, it cannot get 1011b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // another one. 1012b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner assert(EQT->getObjCGCAttr() == QualType::GCNone && 10132455636163fdd18581d7fdae816433f886d88213Mike Stump "Type cannot have multiple ObjCGCs!"); 1014b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner AddressSpace = EQT->getAddressSpace(); 1015b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner TypeNode = EQT->getBaseType(); 1016b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner } 1017d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 1018d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian // Check if we've already instantiated an gc qual'd type of this type. 1019d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian llvm::FoldingSetNodeID ID; 10202455636163fdd18581d7fdae816433f886d88213Mike Stump ExtQualType::Profile(ID, TypeNode, AddressSpace, GCAttr); 1021d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian void *InsertPos = 0; 1022d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (ExtQualType *EXTQy = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos)) 1023b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return QualType(EXTQy, CVRQuals); 1024d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 1025d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian // If the base type isn't canonical, this won't be a canonical type either, 1026d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian // so fill in the canonical type field. 10275a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: Isn't this also not canonical if the base type is a array 10285a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // or pointer type? I can't find any documentation for objc_gc, though... 1029d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType Canonical; 1030d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (!T->isCanonical()) { 1031b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner Canonical = getObjCGCQualType(CanT, GCAttr); 1032d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 1033b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner // Update InsertPos, the previous call could have invalidated it. 1034d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian ExtQualType *NewIP = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos); 1035d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1036d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian } 1037b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner ExtQualType *New = 1038b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner new (*this, 8) ExtQualType(TypeNode, Canonical, AddressSpace, GCAttr); 1039d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian ExtQualTypes.InsertNode(New, InsertPos); 1040d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Types.push_back(New); 1041b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return QualType(New, CVRQuals); 1042d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1043a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 10442455636163fdd18581d7fdae816433f886d88213Mike StumpQualType ASTContext::getNoReturnType(QualType T) { 10456dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump QualifierSet qs; 10466dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump qs.strip(T); 10472455636163fdd18581d7fdae816433f886d88213Mike Stump if (T->isPointerType()) { 10482455636163fdd18581d7fdae816433f886d88213Mike Stump QualType Pointee = T->getAsPointerType()->getPointeeType(); 10492455636163fdd18581d7fdae816433f886d88213Mike Stump QualType ResultType = getNoReturnType(Pointee); 10506dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump ResultType = getPointerType(ResultType); 10516dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump ResultType.setCVRQualifiers(T.getCVRQualifiers()); 10526dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump return qs.apply(ResultType, *this); 10532455636163fdd18581d7fdae816433f886d88213Mike Stump } 10542455636163fdd18581d7fdae816433f886d88213Mike Stump if (T->isBlockPointerType()) { 10552455636163fdd18581d7fdae816433f886d88213Mike Stump QualType Pointee = T->getAsBlockPointerType()->getPointeeType(); 10562455636163fdd18581d7fdae816433f886d88213Mike Stump QualType ResultType = getNoReturnType(Pointee); 10576dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump ResultType = getBlockPointerType(ResultType); 10586dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump ResultType.setCVRQualifiers(T.getCVRQualifiers()); 10596dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump return qs.apply(ResultType, *this); 10602455636163fdd18581d7fdae816433f886d88213Mike Stump } 10612455636163fdd18581d7fdae816433f886d88213Mike Stump if (!T->isFunctionType()) 10622455636163fdd18581d7fdae816433f886d88213Mike Stump assert(0 && "can't noreturn qualify non-pointer to function or block type"); 10632455636163fdd18581d7fdae816433f886d88213Mike Stump 10642455636163fdd18581d7fdae816433f886d88213Mike Stump if (const FunctionNoProtoType *F = dyn_cast<FunctionNoProtoType>(T)) { 10652455636163fdd18581d7fdae816433f886d88213Mike Stump return getFunctionNoProtoType(F->getResultType(), true); 10662455636163fdd18581d7fdae816433f886d88213Mike Stump } 10672455636163fdd18581d7fdae816433f886d88213Mike Stump const FunctionProtoType *F = cast<FunctionProtoType>(T); 10682455636163fdd18581d7fdae816433f886d88213Mike Stump return getFunctionType(F->getResultType(), F->arg_type_begin(), 10692455636163fdd18581d7fdae816433f886d88213Mike Stump F->getNumArgs(), F->isVariadic(), F->getTypeQuals(), 10702455636163fdd18581d7fdae816433f886d88213Mike Stump F->hasExceptionSpec(), F->hasAnyExceptionSpec(), 10712455636163fdd18581d7fdae816433f886d88213Mike Stump F->getNumExceptions(), F->exception_begin(), true); 10722455636163fdd18581d7fdae816433f886d88213Mike Stump} 10732455636163fdd18581d7fdae816433f886d88213Mike Stump 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!T->isCanonical()) { 1090f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1094f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 10955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1096f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff ComplexType *New = new (*this,8) ComplexType(T, Canonical); 10975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1102f98aba35e6c3da5aae61843fc01334939e4e12ecEli FriedmanQualType ASTContext::getFixedWidthIntType(unsigned Width, bool Signed) { 1103f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> &Map = Signed ? 1104f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman SignedFixedWidthIntTypes : UnsignedFixedWidthIntTypes; 1105f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman FixedWidthIntType *&Entry = Map[Width]; 1106f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (!Entry) 1107f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman Entry = new FixedWidthIntType(Width, Signed); 1108f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return QualType(Entry, 0); 1109f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman} 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!T->isCanonical()) { 1127f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1131f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1133f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff PointerType *New = new (*this,8) PointerType(T, Canonical); 11345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// getBlockPointerType - Return the uniqued reference to the type for 11405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 11415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1142296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1143296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 11445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 11455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 11465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 11475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 11485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 11495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 11505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 11525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1153296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // If the block pointee type isn't canonical, this won't be a canonical 11545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 11555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 11565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (!T->isCanonical()) { 11575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 11585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 11595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 11605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 11615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1162f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 1164f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff BlockPointerType *New = new (*this,8) BlockPointerType(T, Canonical); 11655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 11665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 11675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 11685618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 11695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 11707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 11717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 11727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getLValueReferenceType(QualType T) { 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ReferenceType::Profile(ID, T); 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 11807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 11815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 11827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!T->isCanonical()) { 11877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Canonical = getLValueReferenceType(getCanonicalType(T)); 11887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 11907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 11917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 11927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 11947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *New = new (*this,8) LValueReferenceType(T, Canonical); 11967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 11977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 11987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 11997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 12007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 12027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 12037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 12047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 12057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 12067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 12077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl ReferenceType::Profile(ID, T); 12087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 12107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 12117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 12137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 12157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 12167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 12177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (!T->isCanonical()) { 12187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Canonical = getRValueReferenceType(getCanonicalType(T)); 12197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 12227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1223f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *New = new (*this,8) RValueReferenceType(T, Canonical); 12275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 12295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1232f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1233f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 1234f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian RedlQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) 1235f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl{ 1236f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1237f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1238f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1239f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1240f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1241f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1242f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1243f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1244f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1245f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1246f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1247f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1248f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 1249f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (!T->isCanonical()) { 1250f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1251f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1252f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1253f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1254f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1255f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1256f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1257f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff MemberPointerType *New = new (*this,8) MemberPointerType(T, Cls, Canonical); 1258f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1259f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1260f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1261f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1262f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1263fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// getConstantArrayType - Return the unique reference to the type for an 1264fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 1265fb22d96692c5240fb8d611290dbf7eeed3759c73Steve NaroffQualType ASTContext::getConstantArrayType(QualType EltTy, 126638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1267c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1268c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1269587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman assert((EltTy->isDependentType() || EltTy->isConstantSizeType()) && 1270587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1271587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 127238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 127338aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 127438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 127538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 127638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner 12775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12780be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12817192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek if (ConstantArrayType *ATP = 12827192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!EltTy->isCanonical()) { 1289f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1290c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12927192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayType *NewIP = 12937192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1294f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1297566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek ConstantArrayType *New = 1298f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff new(*this,8)ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 12997192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13047e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// getConstantArrayWithExprType - Return a reference to the type for 13057e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// an array of the specified element type. 13067e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType 13077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorASTContext::getConstantArrayWithExprType(QualType EltTy, 13087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &ArySizeIn, 13097e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *ArySizeExpr, 13107e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier ASM, 13117e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13127e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 13137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor // Convert the array size into a canonical width matching the pointer 13147e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor // size for the target. 13157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor llvm::APInt ArySize(ArySizeIn); 13167e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13177e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 13187e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor // Compute the canonical ConstantArrayType. 13197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor QualType Canonical = getConstantArrayType(getCanonicalType(EltTy), 13207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArySize, ASM, EltTypeQuals); 13217e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor // Since we don't unique expressions, it isn't possible to unique VLA's 13227e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor // that have an expression provided for their size. 13237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayWithExprType *New = 13247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor new(*this,8)ConstantArrayWithExprType(EltTy, Canonical, 13257e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArySize, ArySizeExpr, 13267e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ASM, EltTypeQuals, Brackets); 13277e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Types.push_back(New); 13287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return QualType(New, 0); 13297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor} 13307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 13317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// getConstantArrayWithoutExprType - Return a reference to the type for 13327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// an array of the specified element type. 13337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType 13347e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorASTContext::getConstantArrayWithoutExprType(QualType EltTy, 13357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &ArySizeIn, 13367e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier ASM, 13377e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals) { 13387e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor // Convert the array size into a canonical width matching the pointer 13397e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor // size for the target. 13407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor llvm::APInt ArySize(ArySizeIn); 13417e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 13437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor // Compute the canonical ConstantArrayType. 13447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor QualType Canonical = getConstantArrayType(getCanonicalType(EltTy), 13457e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArySize, ASM, EltTypeQuals); 13467e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayWithoutExprType *New = 13477e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor new(*this,8)ConstantArrayWithoutExprType(EltTy, Canonical, 13487e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArySize, ASM, EltTypeQuals); 13497e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Types.push_back(New); 13507e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return QualType(New, 0); 13517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor} 13527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1353bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1354bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 13557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 13567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1357c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 13587e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13597e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1360c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1361c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1362c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1363566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek VariableArrayType *New = 13647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor new(*this,8)VariableArrayType(EltTy, QualType(), 13657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor NumElts, ASM, EltTypeQuals, Brackets); 1366c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1367c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1368c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1369c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1370c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1371c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1372898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1373898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 1374898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// type. FIXME: We will need these to be uniqued, or at least 1375898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// comparable, at some point. 13767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 13777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1378898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 13797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13807e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1381898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor assert((NumElts->isTypeDependent() || NumElts->isValueDependent()) && 1382898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1383898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1384898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Since we don't unique expressions, it isn't possible to unique 1385898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // dependently-sized array types. 1386898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1387566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek DependentSizedArrayType *New = 13887e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor new (*this,8) DependentSizedArrayType(EltTy, QualType(), 13897e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor NumElts, ASM, EltTypeQuals, 13907e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Brackets); 1391898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1392898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DependentSizedArrayTypes.push_back(New); 1393898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1394898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1395898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1396898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1397c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1398c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1399c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1400c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 14010be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1402c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1403c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 1404c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman if (IncompleteArrayType *ATP = 1405c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1406c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1407c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1408c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1409c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1410c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1411c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1412c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman if (!EltTy->isCanonical()) { 1413f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 14142bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1415c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1416c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1417c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1418c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1419f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14202bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1421c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 14227e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor IncompleteArrayType *New 14237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor = new (*this,8) IncompleteArrayType(EltTy, Canonical, 14247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ASM, EltTypeQuals); 1425c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1426c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1427c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1428c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1429fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1430fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 143173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 143273322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 143373322924127c873c13101b705dd823f5539ffa5fSteve NaroffQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts) { 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 14355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1436f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 143773322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 14405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 144173322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType::Profile(ID, vecType, NumElts, Type::Vector); 14425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 14445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 14455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 14475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 14495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!vecType->isCanonical()) { 1450f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getVectorType(getCanonicalType(vecType), NumElts); 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1454f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1456f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff VectorType *New = new (*this,8) VectorType(vecType, NumElts, Canonical); 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1462213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 146373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1464213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 146573322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 146673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 1467f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1468213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 146973322924127c873c13101b705dd823f5539ffa5fSteve Naroff 147073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 147173322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1472213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman VectorType::Profile(ID, vecType, NumElts, Type::ExtVector); 147373322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 147473322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 147573322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 147673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 147773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 147873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 147973322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 148073322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (!vecType->isCanonical()) { 1481213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 148273322924127c873c13101b705dd823f5539ffa5fSteve Naroff 148373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 148473322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1485f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 148673322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 1487f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff ExtVectorType *New = new (*this,8) ExtVectorType(vecType, NumElts, Canonical); 148873322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 148973322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 149073322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 149173322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 149273322924127c873c13101b705dd823f5539ffa5fSteve Naroff 14939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas GregorQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 14949cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 14959cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 14969cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor DependentSizedExtVectorType *New = 14979cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor new (*this,8) DependentSizedExtVectorType(vecType, QualType(), 14989cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SizeExpr, AttrLoc); 14999cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 15009cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor DependentSizedExtVectorTypes.push_back(New); 15019cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 15029cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 15039cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 15049cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 150572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 15065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 15072455636163fdd18581d7fdae816433f886d88213Mike StumpQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, bool NoReturn) { 15085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 15112455636163fdd18581d7fdae816433f886d88213Mike Stump FunctionNoProtoType::Profile(ID, ResultTy, NoReturn); 15125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 151472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (FunctionNoProtoType *FT = 151572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 15165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 15175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 15195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!ResultTy->isCanonical()) { 15202455636163fdd18581d7fdae816433f886d88213Mike Stump Canonical = getFunctionNoProtoType(getCanonicalType(ResultTy), NoReturn); 15215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 152372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 152472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1525f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15282455636163fdd18581d7fdae816433f886d88213Mike Stump FunctionNoProtoType *New 15292455636163fdd18581d7fdae816433f886d88213Mike Stump = new (*this,8) FunctionNoProtoType(ResultTy, Canonical, NoReturn); 15305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 153172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 15325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 15365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 153761710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1538971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1539465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1540465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 15412455636163fdd18581d7fdae816433f886d88213Mike Stump const QualType *ExArray, bool NoReturn) { 15425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 154572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1546465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 15472455636163fdd18581d7fdae816433f886d88213Mike Stump NumExs, ExArray, NoReturn); 15485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 155072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (FunctionProtoType *FTP = 155172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 15525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1553465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1554465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 15555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCanonical = ResultTy->isCanonical(); 1556465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl if (hasExceptionSpec) 1557465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl isCanonical = false; 15585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 15595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!ArgArray[i]->isCanonical()) 15605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 15615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1563465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 15645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 15655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!isCanonical) { 15665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 15675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 15685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 1569f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner CanonicalArgs.push_back(getCanonicalType(ArgArray[i])); 1570465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1571f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1572beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 15732455636163fdd18581d7fdae816433f886d88213Mike Stump isVariadic, TypeQuals, NoReturn); 1574465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 15755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 157672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 157772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1578f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1580465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 158172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1582465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1583465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 158472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *FTP = 1585465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1586465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 1587465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumExs*sizeof(QualType), 8); 158872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1589465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 15902455636163fdd18581d7fdae816433f886d88213Mike Stump ExArray, NumExs, Canonical, NoReturn); 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 159272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15962ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 15972ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 15984b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed KremenekQualType ASTContext::getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl) { 15991e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 16002ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 16012ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 16021e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis if (TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 16032ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1604fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor else if (isa<TemplateTypeParmDecl>(Decl)) { 1605fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor assert(false && "Template type parameter types are always available."); 1606fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } else if (ObjCInterfaceDecl *ObjCInterface = dyn_cast<ObjCInterfaceDecl>(Decl)) 16072ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getObjCInterfaceType(ObjCInterface); 160849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1609c1efaecf0373f1a55c5ef4c234357cf726fc0600Douglas Gregor if (RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1610566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek if (PrevDecl) 1611566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek Decl->TypeForDecl = PrevDecl->TypeForDecl; 1612f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff else 1613f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff Decl->TypeForDecl = new (*this,8) RecordType(Record); 1614566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek } 1615566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek else if (EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1616566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek if (PrevDecl) 1617566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek Decl->TypeForDecl = PrevDecl->TypeForDecl; 1618f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff else 1619f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff Decl->TypeForDecl = new (*this,8) EnumType(Enum); 16204b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek } 162149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis else 16222ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor assert(false && "TypeDecl without a type?"); 162349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 16244b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek if (!PrevDecl) Types.push_back(Decl->TypeForDecl); 162549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 16262ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 16272ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 16285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 16295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 16305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getTypedefType(TypedefDecl *Decl) { 16315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 16325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1633f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 163472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor Decl->TypeForDecl = new(*this,8) TypedefType(Type::Typedef, Decl, Canonical); 16355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 16365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 16375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1639fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 164076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// parameter or parameter pack with the given depth, index, and (optionally) 164176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 1642fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas GregorQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 164376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1644fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name) { 1645fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 164676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1647fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 1648fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmType *TypeParm 1649fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1650fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1651fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1652fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1653fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 165476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson if (Name) { 165576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 165676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TypeParm = new (*this, 8) TemplateTypeParmType(Depth, Index, ParameterPack, 165776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson Name, Canon); 165876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 165976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TypeParm = new (*this, 8) TemplateTypeParmType(Depth, Index, ParameterPack); 1660fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1661fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1662fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1663fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1664fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1665fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1666fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 166755f6b14230c94272efbbcdd89a92224c8db9f225Douglas GregorQualType 16687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 16697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 16707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 16717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon) { 167240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor if (!Canon.isNull()) 167340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor Canon = getCanonicalType(Canon); 1674fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 167555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor llvm::FoldingSetNodeID ID; 16767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateSpecializationType::Profile(ID, Template, Args, NumArgs); 167740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 167855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor void *InsertPos = 0; 16797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateSpecializationType *Spec 16807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 168155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 168255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor if (Spec) 168355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor return QualType(Spec, 0); 168455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 16857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *Mem = Allocate((sizeof(TemplateSpecializationType) + 168640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 168740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 8); 16887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor Spec = new (Mem) TemplateSpecializationType(Template, Args, NumArgs, Canon); 168955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 16907532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 169155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 169255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor return QualType(Spec, 0); 169355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 169455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 1695e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas GregorQualType 1696ab452ba8323d1985e08bade2bced588cddf2cc28Douglas GregorASTContext::getQualifiedNameType(NestedNameSpecifier *NNS, 1697e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType) { 1698e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1699ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualifiedNameType::Profile(ID, NNS, NamedType); 1700e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1701e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1702e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualifiedNameType *T 1703e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor = QualifiedNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1704e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1705e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1706e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1707ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor T = new (*this) QualifiedNameType(NNS, NamedType, 1708ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor getCanonicalType(NamedType)); 1709e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1710e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualifiedNameTypes.InsertNode(T, InsertPos); 1711e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1712e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1713e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1714d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorQualType ASTContext::getTypenameType(NestedNameSpecifier *NNS, 1715d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 1716d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon) { 1717d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1718d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1719d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1720d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 1721d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (CanonNNS != NNS) 1722d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Canon = getTypenameType(CanonNNS, Name); 1723d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1724d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1725d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 1726d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameType::Profile(ID, NNS, Name); 1727d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1728d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 1729d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameType *T 1730d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); 1731d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 1732d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1733d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1734d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T = new (*this) TypenameType(NNS, Name, Canon); 1735d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 1736d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameTypes.InsertNode(T, InsertPos); 1737d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1738d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1739d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 17401734317845d60307d474b5da8a8d33adbaf5e723Douglas GregorQualType 17411734317845d60307d474b5da8a8d33adbaf5e723Douglas GregorASTContext::getTypenameType(NestedNameSpecifier *NNS, 17421734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 17431734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon) { 17441734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 17451734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 17461734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (Canon.isNull()) { 17471734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 17481734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); 17491734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (CanonNNS != NNS || CanonType != QualType(TemplateId, 0)) { 17501734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *CanonTemplateId 17511734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor = CanonType->getAsTemplateSpecializationType(); 17521734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(CanonTemplateId && 17531734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "Canonical type must also be a template specialization type"); 17541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Canon = getTypenameType(CanonNNS, CanonTemplateId); 17551734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 17561734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 17571734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 17581734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor llvm::FoldingSetNodeID ID; 17591734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameType::Profile(ID, NNS, TemplateId); 17601734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 17611734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor void *InsertPos = 0; 17621734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameType *T 17631734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); 17641734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (T) 17651734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor return QualType(T, 0); 17661734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 17671734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor T = new (*this) TypenameType(NNS, TemplateId, Canon); 17681734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 17691734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameTypes.InsertNode(T, InsertPos); 17701734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor return QualType(T, 0); 17711734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 17721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 177388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 177488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 177588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 177688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 17772e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 177888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 177988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 178088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic void SortAndUniqueProtocols(ObjCProtocolDecl **&Protocols, 178188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 178288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 178388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 178488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 178588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 178688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 178788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 178888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 178988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 179088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 179188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 1792d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 1793d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff/// the given interface decl and the conforming protocol list. 179414108da7f7fc059772711e4ffee1322a27b152a7Steve NaroffQualType ASTContext::getObjCObjectPointerType(QualType InterfaceT, 1795d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCProtocolDecl **Protocols, 1796d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff unsigned NumProtocols) { 1797d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff // Sort the protocol list alphabetically to canonicalize it. 1798d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff if (NumProtocols) 1799d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff SortAndUniqueProtocols(Protocols, NumProtocols); 1800d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1801d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSetNodeID ID; 180214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCObjectPointerType::Profile(ID, InterfaceT, Protocols, NumProtocols); 1803d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1804d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 1805d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff if (ObjCObjectPointerType *QT = 1806d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1807d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return QualType(QT, 0); 1808d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1809d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff // No Match; 1810d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCObjectPointerType *QType = 181114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff new (*this,8) ObjCObjectPointerType(InterfaceT, Protocols, NumProtocols); 1812d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1813d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff Types.push_back(QType); 1814d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 1815d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return QualType(QType, 0); 1816d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 181788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 1818c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff/// getObjCInterfaceType - Return the unique reference to the type for the 1819c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff/// specified ObjC interface decl. The list of protocols is optional. 1820c15cb2af27514ecc879daba9aa01389c5203685dSteve NaroffQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 1821a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **Protocols, unsigned NumProtocols) { 1822c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (NumProtocols) 1823c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff // Sort the protocol list alphabetically to canonicalize it. 1824c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff SortAndUniqueProtocols(Protocols, NumProtocols); 182588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 18264b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 1827c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceType::Profile(ID, Decl, Protocols, NumProtocols); 18284b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 18294b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 1830c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (ObjCInterfaceType *QT = 1831c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos)) 18324b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 18334b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 18344b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian // No Match; 1835c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceType *QType = 1836c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff new (*this,8) ObjCInterfaceType(const_cast<ObjCInterfaceDecl*>(Decl), 1837c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff Protocols, NumProtocols); 18384b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian Types.push_back(QType); 1839c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceTypes.InsertNode(QType, InsertPos); 18404b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QType, 0); 18414b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian} 18424b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 184372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 184472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 18459752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 18469752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// DeclRefExpr's. This doesn't effect the type checker, since it operates 18479752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 184872564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 1849dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 1850dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor if (tofExpr->isTypeDependent()) 1851dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor toe = new (*this, 8) TypeOfExprType(tofExpr); 1852dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor else { 1853dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 1854dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor toe = new (*this,8) TypeOfExprType(tofExpr, Canonical); 1855dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 18569752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 18579752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 1858d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 1859d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 18609752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 18619752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 18629752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 18639752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// an issue. This doesn't effect the type checker, since it operates 18649752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 1865d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 1866f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 1867f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff TypeOfType *tot = new (*this,8) TypeOfType(tofType, Canonical); 18689752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 18699752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 1870d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 1871d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 187260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 187360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 187460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 1875a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 1876a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 1877a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson 187860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 187960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 188060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 188160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 188260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 188360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 188460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 188560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 188660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 188760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 188860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 188960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 189060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 189160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 189260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 189360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 189460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 189560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 189660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 189760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 189860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 189960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 190060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 190160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 190260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 190360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 1904395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 1905395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 1906395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 1907395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// an issue. This doesn't effect the type checker, since it operates 1908395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 1909395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 1910dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 1911dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor if (e->isTypeDependent()) // FIXME: canonicalize the expression 1912563a03b1338d31c2462def43253a722bc885d384Anders Carlsson dt = new (*this, 8) DecltypeType(e, DependentTy); 1913dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor else { 1914dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 1915563a03b1338d31c2462def43253a722bc885d384Anders Carlsson dt = new (*this, 8) DecltypeType(e, T, getCanonicalType(T)); 1916dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 1917395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 1918395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 1919395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 1920395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 19215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 19225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 19235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getTagDeclType(TagDecl *Decl) { 1924d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 19252ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypeDeclType(Decl); 19265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 19295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 19305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// needs to agree with the definition in <stddef.h>. 19315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getSizeType() const { 1932b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 193564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 193664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 193764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 193864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 193964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 194064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 194164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 194264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 194364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 194464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 194564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 194664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 194764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 194864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 19498b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 19508b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 19518b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 1952b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 19538b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 19548b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 1955e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 1956e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 1957e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 1958e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 195977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 196077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 196177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 196277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 196377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 196477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 196577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris LattnerQualType ASTContext::getCanonicalType(QualType T) { 196677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner QualType CanType = T.getTypePtr()->getCanonicalTypeInternal(); 1967c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1968c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If the result has type qualifiers, make sure to canonicalize them as well. 1969c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner unsigned TypeQuals = T.getCVRQualifiers() | CanType.getCVRQualifiers(); 1970c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (TypeQuals == 0) return CanType; 1971c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1972c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If the type qualifiers are on an array type, get the canonical type of the 1973c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // array with the qualifiers applied to the element type. 1974c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 1975c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 1976c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return CanType.getQualifiedType(TypeQuals); 1977c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1978c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 1979c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 1980c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType NewEltTy=AT->getElementType().getWithAdditionalQualifiers(TypeQuals); 1981c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 1982c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1983c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 1984c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return getConstantArrayType(NewEltTy, CAT->getSize(),CAT->getSizeModifier(), 1985c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getIndexTypeQualifier()); 1986c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 1987c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 1988c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getIndexTypeQualifier()); 1989c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 1990898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 19917e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getDependentSizedArrayType(NewEltTy, 19927e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getSizeExpr(), 1993898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 19947e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getIndexTypeQualifier(), 19957e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange()); 1996898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1997c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 19987e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getVariableArrayType(NewEltTy, 19997e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getSizeExpr(), 2000c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 20017e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getIndexTypeQualifier(), 20027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange()); 2003c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2004c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 200525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 200625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // If this template name refers to a template, the canonical 200725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // template name merely stores the template itself. 200825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) 200997fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 201025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 201125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 201225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 201325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 201425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 201525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2016d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2017d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 2018d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (!NNS) 2019d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2020d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2021d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2022d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2023d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 2024d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 2025d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2026d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2027d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2028d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2029d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2030d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2031d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2032d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2033d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2034d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2035d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 2036d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *Prefix = 0; 2037d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2038d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // FIXME: This isn't the right check! 2039d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T->isDependentType()) 2040d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Prefix = getCanonicalNestedNameSpecifier(NNS->getPrefix()); 2041d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2042d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 2043d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2044d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2045d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2046d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2047d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2048d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2049d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2050d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2051d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2052d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2053d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2054d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2055d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2056c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2057c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2058c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2059c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (T.getCVRQualifiers() == 0) { 2060c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2061c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2062c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2063c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 2064c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2065c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common negative case fast, ignoring CVR qualifiers. 2066c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 2067c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2068f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian // Make sure to look through type qualifiers (like ExtQuals) for the negative 2069c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // test. 2070c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!isa<ArrayType>(CType) && 2071c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner !isa<ArrayType>(CType.getUnqualifiedType())) 2072c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 2073c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2074c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Apply any CVR qualifiers from the array type to the element type. This 2075c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2076c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 2077c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2078c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2079c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 2080c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // we must propagate them down into the elemeng type. 2081c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner unsigned CVRQuals = T.getCVRQualifiers(); 2082c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner unsigned AddrSpace = 0; 2083c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner Type *Ty = T.getTypePtr(); 2084c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2085f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian // Rip through ExtQualType's and typedefs to get to a concrete type. 2086c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner while (1) { 2087f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian if (const ExtQualType *EXTQT = dyn_cast<ExtQualType>(Ty)) { 2088f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian AddrSpace = EXTQT->getAddressSpace(); 2089f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian Ty = EXTQT->getBaseType(); 2090c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } else { 2091c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner T = Ty->getDesugaredType(); 2092c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (T.getTypePtr() == Ty && T.getCVRQualifiers() == 0) 2093c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner break; 2094c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CVRQuals |= T.getCVRQualifiers(); 2095c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner Ty = T.getTypePtr(); 2096c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 2097c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 2098c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2099c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2100c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 2101c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ATy == 0 || (AddrSpace == 0 && CVRQuals == 0)) 2102c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 2103c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2104c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2105c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2106c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2107c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 2108c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType NewEltTy = ATy->getElementType(); 2109c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (AddrSpace) 2110f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian NewEltTy = getAddrSpaceQualType(NewEltTy, AddrSpace); 2111c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = NewEltTy.getWithAdditionalQualifiers(CVRQuals); 2112c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2113c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2114c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2115c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 2116c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getIndexTypeQualifier())); 2117c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2118c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2119c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 21207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor IAT->getIndexTypeQualifier())); 2121898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2122898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (const DependentSizedArrayType *DSAT 2123898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2124898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 2125898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor getDependentSizedArrayType(NewEltTy, 2126898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeExpr(), 2127898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 21287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getIndexTypeQualifier(), 21297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 2130c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2131c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 21327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 21337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getSizeExpr(), 2134c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 21357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getIndexTypeQualifier(), 21367e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 213777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 213877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 213977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2140e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2141e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2142e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2143e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2144e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2145e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2146e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2147c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2148c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2149c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2150c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2151c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2152c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 2153e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2154c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2155e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2156e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 2157c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return PtrTy.getQualifiedType(PrettyArrayType->getIndexTypeQualifier()); 2158e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2159e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 21605e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 21615e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QualifierSet qualifiers; 21625e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor while (true) { 21635e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor const Type *UT = qualifiers.strip(QT); 21645e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor if (const ArrayType *AT = getAsArrayType(QualType(UT,0))) { 21655e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QT = AT->getElementType(); 21666dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump } else { 21675e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor return qualifiers.apply(QT, *this); 21685e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor } 21695e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor } 21705e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 21715e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2172d786f6a6b791b5901fa9fd39a2bbf924afbc1252Daniel DunbarQualType ASTContext::getBaseElementType(const VariableArrayType *VAT) { 21736183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson QualType ElemTy = VAT->getElementType(); 21746183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 21756183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson if (const VariableArrayType *VAT = getAsVariableArrayType(ElemTy)) 21766183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return getBaseElementType(VAT); 21776183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 21786183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 21796183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 21806183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 21815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 21825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2183a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2184ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb if (const ComplexType *CT = T->getAsComplexType()) 21855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2186a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2187d786f6a6b791b5901fa9fd39a2bbf924afbc1252Daniel Dunbar assert(T->getAsBuiltinType() && "getFloatingRank(): not a floating type"); 2188ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb switch (T->getAsBuiltinType()->getKind()) { 2189a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 21905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 21915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 21925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 21935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2196716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 2197716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// point or a complex type (based on typeDomain/typeSize). 2198716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2199716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 22001361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 22011361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 22021361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 22031361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 22041361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2205716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2206f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2207f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2208f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2209f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2210f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 22111361b11066239ea15764a2a844405352d87296b3Chris Lattner 22121361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 22131361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 22141361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 22151361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 22161361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 22171361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 22185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 22227cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 22237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 22247cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// LHS < RHS, return -1. 2225a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2226a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2227a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 2228a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2229a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2230fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2231a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2232fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2233fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 22345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2236f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2237f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2238f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2239f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2240f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner assert(T->isCanonical() && "T should be canonicalized"); 2241f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2242f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman T = ET->getDecl()->getIntegerType().getTypePtr(); 2243f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2244a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2245a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2246a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2247f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2248f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2249f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2250f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2251f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2252f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2253f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // There are two things which impact the integer rank: the width, and 2254f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // the ordering of builtins. The builtin ordering is encoded in the 2255f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // bottom three bits; the width is encoded in the bits above that. 22561b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner if (FixedWidthIntType* FWIT = dyn_cast<FixedWidthIntType>(T)) 2257f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return FWIT->getWidth() << 3; 2258f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2259f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 22607cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 22617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2262f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 22637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 22647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 22657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 22667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2267f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 22687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 22697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2270f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 22717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 22727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2273f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 22747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 22757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2276f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 22777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 22787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2279f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 22802df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 22812df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 22822df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2283f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2284f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2285f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 22867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getIntegerTypeOrder - Returns the highest ranked integer type: 22877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 22887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// LHS < RHS, return -1. 22897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2290f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2291f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 22927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 22935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2294f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2295f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 22965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 22987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 22995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 23017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 23027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 23037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 23047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 23057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 23067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 23077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 23087cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 23097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 23107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 23117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 23127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 23137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // powers of two larger than each other, this is always safe. 23147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 23157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 23167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 23177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 23187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 23197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 23205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 23227cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 23237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // powers of two larger than each other, this is always safe. 23247cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 23255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 232671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 232771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson// getCFConstantStringType - Return the type used for constant CFStrings. 232871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 232971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 23306c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner CFConstantStringTypeDecl = 233139ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis RecordDecl::Create(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 2332df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Idents.get("NSConstantString")); 2333f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 233471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 233571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 233671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson FieldTypes[0] = getPointerType(IntTy.getQualifiedType(QualType::Const)); 2337f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2338f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 233971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 2340f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[2] = getPointerType(CharTy.getQualifiedType(QualType::Const)); 234171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 2342f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[3] = LongTy; 234371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 234444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 234544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 234644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 234744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 234844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldTypes[i], /*BitWidth=*/0, 23494afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 235017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 235144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 235244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 235344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor CFConstantStringTypeDecl->completeDefinition(*this); 235471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 235571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 235671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 23578467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 2358b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2359319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 236035366a67baa970c287c714c957cf78a4131cf60dTed Kremenek const RecordType *Rec = T->getAsRecordType(); 2361319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 2362319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 2363319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2364319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 2365bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders CarlssonQualType ASTContext::getObjCFastEnumerationStateType() 2366bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson{ 2367bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 236844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 236944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor RecordDecl::Create(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 237044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor &Idents.get("__objcFastEnumerationState")); 237144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2372bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 2373bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 2374de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 2375bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 2376bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 2377bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 2378bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 2379bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 238044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 238144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldDecl *Field = FieldDecl::Create(*this, 238244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl, 238344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 238444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldTypes[i], /*BitWidth=*/0, 23854afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 238617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 238744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 2388bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 238944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(*this); 2390bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 2391bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2392bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 2393bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 2394bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2395319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 239635366a67baa970c287c714c957cf78a4131cf60dTed Kremenek const RecordType *Rec = T->getAsRecordType(); 2397319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 2398319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 2399319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2400319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 2401e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 2402e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 24032d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 2404e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 2405bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 2406bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 240785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 240885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 240985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 241085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 2411a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 241233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 2413a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekint ASTContext::getObjCEncodingTypeSize(QualType type) { 241498be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t sz = getTypeSize(type); 241533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 241633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 241733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian if (sz > 0 && type->isIntegralType()) 241898be4943e8dc4f3905629a7102668960873cf863Chris Lattner sz = std::max(sz, getTypeSize(IntTy)); 241933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 242033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 242198be4943e8dc4f3905629a7102668960873cf863Chris Lattner sz = getTypeSize(VoidPtrTy); 242298be4943e8dc4f3905629a7102668960873cf863Chris Lattner return sz / getTypeSize(CharTy); 242333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 242433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 2425a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 242633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 2427c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbarvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 2428e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 2429c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 2430ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 2431a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 243233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 24330d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 243433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 243533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 243633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 243733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 243898be4943e8dc4f3905629a7102668960873cf863Chris Lattner int PtrSize = getTypeSize(VoidPtrTy) / getTypeSize(CharTy); 243933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 244033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 244133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian int ParmOffset = 2 * PtrSize; 244289951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 244389951a86b594513c2a013532ed45d197413b1087Chris Lattner E = Decl->param_end(); PI != E; ++PI) { 244489951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 244589951a86b594513c2a013532ed45d197413b1087Chris Lattner int sz = getObjCEncodingTypeSize(PType); 2446a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert (sz > 0 && "getObjCEncodingForMethodDecl - Incomplete param type"); 244733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 244833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 244933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += llvm::utostr(ParmOffset); 245033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 245133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += llvm::utostr(PtrSize); 245233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 245333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 245433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 245589951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 245689951a86b594513c2a013532ed45d197413b1087Chris Lattner E = Decl->param_end(); PI != E; ++PI) { 245789951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 24584306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian QualType PType = PVDecl->getOriginalType(); 24594306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 2460ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 2461ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 2462ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 2463bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 2464ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 2465ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 2466ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 2467ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 246833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 24694306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 24700d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 247133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += llvm::utostr(ParmOffset); 2472a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParmOffset += getObjCEncodingTypeSize(PType); 247333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 247433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 247533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 2476c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 247783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 2478c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 2479c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 248083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// Property attributes are stored as a comma-delimited C string. The simple 248183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// attributes readonly and bycopy are encoded as single characters. The 248283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// parametrized attributes, getter=name, setter=name, and ivar=name, are 248383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// encoded as single characters, followed by an identifier. Property types 248483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// are also encoded as a parametrized attribute. The characters used to encode 248583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 248683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 248783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 248883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 248983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 249083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 249183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 249283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 249383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 249483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 249583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 249683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 249783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 249883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 249983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 250083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 2501c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbarvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 2502c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 2503e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 2504c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 2505c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 2506c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 2507c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2508c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 2509c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 2510c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (const ObjCCategoryImplDecl *CID = 2511c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 2512c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 251317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 2514653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 2515c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 2516c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 2517c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 2518c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 2519c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 2520c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 2521c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2522c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2523c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2524c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 252561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 2526c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 252717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 2528653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 2529c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 2530c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 2531c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 2532c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 2533c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 2534c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 2535c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2536c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2537c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2538c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2539c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2540c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2541c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 2542c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 2543c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2544c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 2545090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 2546090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 2547153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 2548090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 2549090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 2550c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2551c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 2552c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 2553c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 2554c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 2555c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 2556c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 2557c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Retain: S += ",&"; break; 2558c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2559c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2560c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2561c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 2562c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 2563c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 2564c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 2565c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2566090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 2567090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 2568090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian 2569c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 2570c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 2571077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 2572c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2573c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2574c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 2575c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 2576077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 2577c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2578c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2579c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 2580c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 2581c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 258239f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 2583c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 2584c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2585c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 2586c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 2587c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 2588a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 2589a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// Another legacy compatibility encoding: 32-bit longs are encoded as 2590c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian/// 'l' or 'L' , but not always. For typedefs, we need to use 2591a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 2592a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 2593a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 25948e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 2595a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (const BuiltinType *BT = PointeeTy->getAsBuiltinType()) { 2596c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 2597c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 2598a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 2599c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian else 2600c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 2601c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 2602a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 2603a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2604a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2605a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 2606a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 26077d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 2608153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 260982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 261082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 261182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 261282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 26135b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian getObjCEncodingForTypeImpl(T, S, true, true, Field, 26145b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 261582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 261682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 26178b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanianstatic void EncodeBitField(const ASTContext *Context, std::string& S, 2618153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD) { 26198b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 26208b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 26218b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 26229a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 26238b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 26248b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 26258b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 26268b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 262782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 262882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 262982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 2630153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 2631090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 26326ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 2633e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const BuiltinType *BT = T->getAsBuiltinType()) { 2634ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 2635ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return EncodeBitField(this, S, FD); 2636ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner char encoding; 2637ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner switch (BT->getKind()) { 2638ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner default: assert(0 && "Unhandled builtin type kind"); 2639ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Void: encoding = 'v'; break; 2640ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Bool: encoding = 'B'; break; 2641ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_U: 2642ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UChar: encoding = 'C'; break; 2643ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UShort: encoding = 'S'; break; 2644ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt: encoding = 'I'; break; 2645ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::ULong: 264672696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian encoding = 2647ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q'; 264872696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian break; 2649ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt128: encoding = 'T'; break; 2650ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::ULongLong: encoding = 'Q'; break; 2651ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_S: 2652ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::SChar: encoding = 'c'; break; 2653ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Short: encoding = 's'; break; 2654ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int: encoding = 'i'; break; 2655ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Long: 2656ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner encoding = 2657ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q'; 2658ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner break; 2659ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongLong: encoding = 'q'; break; 2660ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int128: encoding = 't'; break; 2661ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Float: encoding = 'f'; break; 2662ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Double: encoding = 'd'; break; 2663ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongDouble: encoding = 'd'; break; 266443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 2665ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2666ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += encoding; 2667ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 2668ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2669ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2670ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ComplexType *CT = T->getAsComplexType()) { 2671c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 2672c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 2673c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 2674ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 2675ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2676ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 267735366a67baa970c287c714c957cf78a4131cf60dTed Kremenek if (const PointerType *PT = T->getAsPointerType()) { 267885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson QualType PointeeTy = PT->getPointeeType(); 2679a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 2680a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 2681a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 2682a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 2683a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Also, do not emit the 'r' for anything but the outermost type! 26848e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 2685a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 2686a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 2687a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 2688a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2689a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2690a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian else if (OutermostType) { 2691a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 269235366a67baa970c287c714c957cf78a4131cf60dTed Kremenek while (P->getAsPointerType()) 269335366a67baa970c287c714c957cf78a4131cf60dTed Kremenek P = P->getAsPointerType()->getPointeeType(); 2694a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 2695a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 2696a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 2697a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2698a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2699a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 2700a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 2701a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 2702a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 2703a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian const char * s = S.c_str(); 2704a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian int len = S.length(); 2705a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (len >= 2 && s[len-2] == 'n' && s[len-1] == 'r') { 2706a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian std::string replace = "rn"; 2707a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S.replace(S.end()-2, S.end(), replace); 2708a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 2709a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 271014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (isObjCSelType(PointeeTy)) { 27118baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson S += ':'; 27128baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return; 2713c2939bc82ce177c0413feb0cd9ce70aefd6235fbFariborz Jahanian } 271485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 271585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 271685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 271785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 2718e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 271985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 272085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 272185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 27229533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } else if (const RecordType *RTy = PointeeTy->getAsRecordType()) { 27239533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 27249533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 27259533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 27269533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 27279533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 27289533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 27299533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 27309533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 27319533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 27329533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 27339533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 273485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 273585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 2736a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 2737a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 2738ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 273943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 2740ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 2741ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2742ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2743ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 2744ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 2745ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 2746559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 2747559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 2748559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 2749559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 2750559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson getObjCEncodingForTypeImpl(AT->getElementType(), S, 2751559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 2752559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 2753559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 275485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 2755559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 2756559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 2757559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 2758559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 2759559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 2760559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 2761559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 276285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 2763559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson getObjCEncodingForTypeImpl(AT->getElementType(), S, 2764559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 2765559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 2766559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 2767ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 2768ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2769ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2770ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->getAsFunctionType()) { 2771c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 2772ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 2773ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2774ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 277535366a67baa970c287c714c957cf78a4131cf60dTed Kremenek if (const RecordType *RTy = T->getAsRecordType()) { 277682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 2777d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 2778502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 2779502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 2780502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 2781502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 2782502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 2783502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 27840d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 27857d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 278617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 278717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 278844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 278943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 2790d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 279144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 2792d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 2793d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 2794d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar 2795d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 279643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 279743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 279843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 2799d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 2800a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 2801a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 2802a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getObjCEncodingForTypeImpl(qt, S, false, true, 280343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 2804d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 28057d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 28066de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 2807d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 2808ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 2809ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2810ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2811ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 28128b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 28138b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian EncodeBitField(this, S, FD); 28148b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 28158b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 2816ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 2817ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2818ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2819ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 282021a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 2821ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 2822ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2823ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2824ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isObjCInterfaceType()) { 282543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 282643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian ObjCInterfaceDecl *OI = T->getAsObjCInterfaceType()->getDecl(); 282743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 282843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 282943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 283043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 2831f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 283243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 2833f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 283443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 283543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 283643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 283743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 283843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 283943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 284043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 284143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 2842ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 284343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 2844ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2845ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ObjCObjectPointerType *OPT = T->getAsObjCObjectPointerType()) { 284614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 284714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 284814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 2849ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2850ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2851ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCClassType()) { 285214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 285314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 2854ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2855ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2856ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 285714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff getObjCEncodingForTypeImpl(getObjCIdType(), S, 285814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 285914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 286014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 286114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 286214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 286314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 286467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 286567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 286614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 286714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 286814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 286914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 287014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 287114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 287214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 2873ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2874ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2875ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 2876ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 2877ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 2878ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 2879ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // We encode the underlying type which comes out as 2880ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 2881ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 2882ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner getObjCEncodingForTypeImpl(PointeeTy, S, 2883ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner false, ExpandPointedToStructures, 2884ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 288514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 288614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 2887ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2888ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 2889ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD || EncodingProperty) { 2890ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 289167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff S += OPT->getInterfaceDecl()->getNameAsCString(); 289267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 289367ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 2894ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 2895ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 2896ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 2897ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2898ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 2899ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2900ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 2901ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 2902ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 2903ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 290485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 290585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 2906a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 2907ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 2908ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 2909ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 2910ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 2911ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 2912ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 2913ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 2914ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 2915ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 2916ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 2917ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 2918ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 2919ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 2920ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 2921ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 2922ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 2923b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 2924b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2925b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 2926b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 2927b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2928ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 2929de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 29307e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 29317e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 2932ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 2933319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCSelType = T; 2934319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 2935319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor const TypedefType *TT = T->getAsTypedefType(); 2936319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor if (!TT) 2937319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor return; 2938319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor TypedefDecl *TD = TT->getDecl(); 2939b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 2940b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian // typedef struct objc_selector *SEL; 294135366a67baa970c287c714c957cf78a4131cf60dTed Kremenek const PointerType *ptr = TD->getUnderlyingType()->getAsPointerType(); 2942c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian if (!ptr) 2943c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian return; 2944b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const RecordType *rec = ptr->getPointeeType()->getAsStructureType(); 2945c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian if (!rec) 2946c55a24095c3488fa6e99b537be64e57a2905477bFariborz Jahanian return; 2947b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian SelStructType = rec; 2948b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 2949b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 2950ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 2951a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 2952390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 2953390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 2954ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 2955de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 29568baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 29578baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 2958a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 2959a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(ObjCConstantStringType.isNull() && 29602198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 29612198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 2962a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 29632198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 29642198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 29657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a qualified 29667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c std::vector. 29677532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 29687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 29697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template) { 29707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 29717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 29727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 29737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 29747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateName *QTN = 29757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 29767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (!QTN) { 29777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 29787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 29797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 29807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 29817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 29827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 29837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 29847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 29857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 29867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 29877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 29887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor assert(NNS->isDependent() && "Nested name specifier must be dependent"); 29897532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 29907532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 29917532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 29927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 29937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 29947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 29957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 29967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 29977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 29987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 29997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 30007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 30017532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 30027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 30037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 30047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 30057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 30067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 30077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 30087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 30097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 30107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 30117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3012b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 3013d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 3014d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 3015d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas GregorQualType ASTContext::getFromTargetType(unsigned Type) const { 3016b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 3017b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::NoInt: return QualType(); 3018b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 3019b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 3020b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 3021b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 3022b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 3023b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 3024b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 3025b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 3026b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 3027b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 3028b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 3029b3ac5434ab936f092b8cc48349cb01db3a1e1c76Daniel Dunbar return QualType(); 3030b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 3031b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3032b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3033b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 3034b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3035b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3036fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 3037fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 3038fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 3039f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 3040fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 3041fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 3042fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 3043fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 304440b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 3045fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 3046fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 3047fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return false; 3048fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 3049fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 30504fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 30514fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 30524fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 30534fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz JahanianQualType::GCAttrTypes ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 3054b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner QualType::GCAttrTypes GCAttrs = QualType::GCNone; 30554fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 30564fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 3057b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 30584fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 3059a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // (or pointers to them) be treated as though they were declared 3060a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 3061a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian if (GCAttrs == QualType::GCNone) { 3062f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff if (Ty->isObjCObjectPointerType()) 3063a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian GCAttrs = QualType::Strong; 3064a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 306535366a67baa970c287c714c957cf78a4131cf60dTed Kremenek return getObjCGCAttrKind(Ty->getAsPointerType()->getPointeeType()); 3066a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 3067c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 3068c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 3069f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 3070c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian return QualType::GCNone; 30714fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 3072b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 30734fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 30744fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 30756ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 30766ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 30776ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 3078770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 30796ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// areCompatVectorTypes - Return true if the two specified vector types are 30806ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 30816ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 30826ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 30836ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner assert(LHS->isCanonical() && RHS->isCanonical()); 30846ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 308561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 30866ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 30876ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 30884084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 30894084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 30904084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 30914084c306635b70f37029dca938444e6013f08684Steve Naroff 30924084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 30934084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 30944084c306635b70f37029dca938444e6013f08684Steve Naroffstatic bool ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 30954084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rProto) { 30964084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 309714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 30984084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 30994084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 31004084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 31014084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 31024084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 31034084c306635b70f37029dca938444e6013f08684Steve Naroff} 310414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 31054084c306635b70f37029dca938444e6013f08684Steve Naroff/// ClassImplementsProtocol - Checks that 'lProto' protocol 31064084c306635b70f37029dca938444e6013f08684Steve Naroff/// has been implemented in IDecl class, its super class or categories (if 31074084c306635b70f37029dca938444e6013f08684Steve Naroff/// lookupCategory is true). 31084084c306635b70f37029dca938444e6013f08684Steve Naroffstatic bool ClassImplementsProtocol(ObjCProtocolDecl *lProto, 31094084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCInterfaceDecl *IDecl, 31104084c306635b70f37029dca938444e6013f08684Steve Naroff bool lookupCategory, 31114084c306635b70f37029dca938444e6013f08684Steve Naroff bool RHSIsQualifiedID = false) { 31124084c306635b70f37029dca938444e6013f08684Steve Naroff 31134084c306635b70f37029dca938444e6013f08684Steve Naroff // 1st, look up the class. 31144084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCList<ObjCProtocolDecl> &Protocols = 31154084c306635b70f37029dca938444e6013f08684Steve Naroff IDecl->getReferencedProtocols(); 31164084c306635b70f37029dca938444e6013f08684Steve Naroff 31174084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCList<ObjCProtocolDecl>::iterator PI = Protocols.begin(), 31184084c306635b70f37029dca938444e6013f08684Steve Naroff E = Protocols.end(); PI != E; ++PI) { 31194084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 31204084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 31214084c306635b70f37029dca938444e6013f08684Steve Naroff // This is dubious and is added to be compatible with gcc. In gcc, it is 31224084c306635b70f37029dca938444e6013f08684Steve Naroff // also allowed assigning a protocol-qualified 'id' type to a LHS object 31234084c306635b70f37029dca938444e6013f08684Steve Naroff // when protocol in qualified LHS is in list of protocols in the rhs 'id' 31244084c306635b70f37029dca938444e6013f08684Steve Naroff // object. This IMO, should be a bug. 31254084c306635b70f37029dca938444e6013f08684Steve Naroff // FIXME: Treat this as an extension, and flag this as an error when GCC 31264084c306635b70f37029dca938444e6013f08684Steve Naroff // extensions are not enabled. 31274084c306635b70f37029dca938444e6013f08684Steve Naroff if (RHSIsQualifiedID && ProtocolCompatibleWithProtocol(*PI, lProto)) 31284084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 31294084c306635b70f37029dca938444e6013f08684Steve Naroff } 31304084c306635b70f37029dca938444e6013f08684Steve Naroff 31314084c306635b70f37029dca938444e6013f08684Steve Naroff // 2nd, look up the category. 31324084c306635b70f37029dca938444e6013f08684Steve Naroff if (lookupCategory) 31334084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCCategoryDecl *CDecl = IDecl->getCategoryList(); CDecl; 31344084c306635b70f37029dca938444e6013f08684Steve Naroff CDecl = CDecl->getNextClassCategory()) { 31354084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCCategoryDecl::protocol_iterator PI = CDecl->protocol_begin(), 31364084c306635b70f37029dca938444e6013f08684Steve Naroff E = CDecl->protocol_end(); PI != E; ++PI) 31374084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 31384084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 31394084c306635b70f37029dca938444e6013f08684Steve Naroff } 31404084c306635b70f37029dca938444e6013f08684Steve Naroff 31414084c306635b70f37029dca938444e6013f08684Steve Naroff // 3rd, look up the super class(s) 31424084c306635b70f37029dca938444e6013f08684Steve Naroff if (IDecl->getSuperClass()) 31434084c306635b70f37029dca938444e6013f08684Steve Naroff return 31444084c306635b70f37029dca938444e6013f08684Steve Naroff ClassImplementsProtocol(lProto, IDecl->getSuperClass(), lookupCategory, 31454084c306635b70f37029dca938444e6013f08684Steve Naroff RHSIsQualifiedID); 31464084c306635b70f37029dca938444e6013f08684Steve Naroff 31474084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 31484084c306635b70f37029dca938444e6013f08684Steve Naroff} 31494084c306635b70f37029dca938444e6013f08684Steve Naroff 31504084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 31514084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 31524084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 31534084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 31544084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 31554084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 31564084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 31574084c306635b70f37029dca938444e6013f08684Steve Naroff} 31584084c306635b70f37029dca938444e6013f08684Steve Naroff 31594084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 31604084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 31614084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 31624084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 31634084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 31644084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isVoidPointerType() || 31654084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 31664084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 31674084c306635b70f37029dca938444e6013f08684Steve Naroff else if (rhs->isVoidPointerType() || 31684084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 31694084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 31704084c306635b70f37029dca938444e6013f08684Steve Naroff 31714084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 31724084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsOPT = rhs->getAsObjCObjectPointerType(); 31734084c306635b70f37029dca938444e6013f08684Steve Naroff 31744084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 31754084c306635b70f37029dca938444e6013f08684Steve Naroff 31764084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 31774084c306635b70f37029dca938444e6013f08684Steve Naroff // If the RHS is a unqualified interface pointer "NSString*", 31784084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 31794084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 31804084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 31814084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 31824084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 31834084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 31844084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 31854084c306635b70f37029dca938444e6013f08684Steve Naroff if (!ClassImplementsProtocol(*I, rhsID, true)) 31864084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 31874084c306635b70f37029dca938444e6013f08684Steve Naroff } 31884084c306635b70f37029dca938444e6013f08684Steve Naroff } 31894084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 31904084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 31914084c306635b70f37029dca938444e6013f08684Steve Naroff } 3192de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // Both the right and left sides have qualifiers. 31934084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 31944084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 31954084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 31964084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 3197de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 3198de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 3199de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 3200de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 32014084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 32024084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 32034084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 32044084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 32054084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 32064084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 32078f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 32088f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 3209de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 32104084c306635b70f37029dca938444e6013f08684Steve Naroff // If the RHS is a qualified interface pointer "NSString<P>*", 32114084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 32124084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 32134084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 32144084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 32154084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 32164084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 32174084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 32184084c306635b70f37029dca938444e6013f08684Steve Naroff if (ClassImplementsProtocol(*I, rhsID, true)) { 32194084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 32204084c306635b70f37029dca938444e6013f08684Steve Naroff break; 32214084c306635b70f37029dca938444e6013f08684Steve Naroff } 32224084c306635b70f37029dca938444e6013f08684Steve Naroff } 32234084c306635b70f37029dca938444e6013f08684Steve Naroff } 32244084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 3225de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 3226de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 32274084c306635b70f37029dca938444e6013f08684Steve Naroff 3228de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 3229de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 32304084c306635b70f37029dca938444e6013f08684Steve Naroff 32314084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 32324084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 32334084c306635b70f37029dca938444e6013f08684Steve Naroff 32344084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsOPT = 32354084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 32364084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 32374084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 32384084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 32394084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 32404084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 32414084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 32424084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 32434084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 32444084c306635b70f37029dca938444e6013f08684Steve Naroff if (ClassImplementsProtocol(*I, lhsID, true)) { 32454084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 32464084c306635b70f37029dca938444e6013f08684Steve Naroff break; 32474084c306635b70f37029dca938444e6013f08684Steve Naroff } 32484084c306635b70f37029dca938444e6013f08684Steve Naroff } 32494084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 32504084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 32514084c306635b70f37029dca938444e6013f08684Steve Naroff } 32524084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 32534084c306635b70f37029dca938444e6013f08684Steve Naroff } 32544084c306635b70f37029dca938444e6013f08684Steve Naroff // Both the right and left sides have qualifiers. 32554084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 32564084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 32574084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 32584084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 32594084c306635b70f37029dca938444e6013f08684Steve Naroff 32604084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 32614084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 32624084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 32634084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 32644084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 32654084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 32664084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 32674084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 32684084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 32694084c306635b70f37029dca938444e6013f08684Steve Naroff break; 32704084c306635b70f37029dca938444e6013f08684Steve Naroff } 32714084c306635b70f37029dca938444e6013f08684Steve Naroff } 32724084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 32734084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 32744084c306635b70f37029dca938444e6013f08684Steve Naroff } 32754084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 32764084c306635b70f37029dca938444e6013f08684Steve Naroff } 32774084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 32784084c306635b70f37029dca938444e6013f08684Steve Naroff} 32794084c306635b70f37029dca938444e6013f08684Steve Naroff 32804084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 32814084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 32824084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 32834084c306635b70f37029dca938444e6013f08684Steve Naroff/// 32844084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 32854084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 32864084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 32874084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHSOPT->isObjCBuiltinType() || RHSOPT->isObjCBuiltinType()) 32884084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 32894084c306635b70f37029dca938444e6013f08684Steve Naroff 32904084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 32914084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 32924084c306635b70f37029dca938444e6013f08684Steve Naroff QualType(RHSOPT,0), 32934084c306635b70f37029dca938444e6013f08684Steve Naroff false); 32944084c306635b70f37029dca938444e6013f08684Steve Naroff 32954084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 32964084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 32974084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHS && RHS) // We have 2 user-defined types. 32984084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 32994084c306635b70f37029dca938444e6013f08684Steve Naroff 33004084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 330114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 330214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 33033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 33043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS) { 33056ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 33066ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 33076ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner if (!LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 33086ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 33096ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 33106ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 33116ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 3312c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 33136ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 33146ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 33156ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 33166ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 3317c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 33186ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 33196ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 3320c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff for (ObjCInterfaceType::qual_iterator LHSPI = LHS->qual_begin(), 3321c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff LHSPE = LHS->qual_end(); 332291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 332391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 332491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 332591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 332691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 3327c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff for (ObjCInterfaceType::qual_iterator RHSPI = RHS->qual_begin(), 33284084c306635b70f37029dca938444e6013f08684Steve Naroff RHSPE = RHS->qual_end(); 33298f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 33308f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 333191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 33328f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 33338f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 333491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 333591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 333691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 333791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 333891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 333991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 334091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 33416ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 33426ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 3343389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 3344389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 334514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *LHSOPT = LHS->getAsObjCObjectPointerType(); 334614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *RHSOPT = RHS->getAsObjCObjectPointerType(); 3347389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 334814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 3349389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 335014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 335114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 335214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 3353389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 3354389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 3355ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 3356ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 3357ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// C99 6.2.7p1: Two types have compatible types if their types are the 3358ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 33593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 33603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 33613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 33623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 33633d815e7eb56c25d7ed812eced32e41df43039f9aEli FriedmanQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs) { 33643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const FunctionType *lbase = lhs->getAsFunctionType(); 33653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const FunctionType *rbase = rhs->getAsFunctionType(); 336672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 336772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 33683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 33693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 33703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 33713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 33723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 33733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 337461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 337561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 337661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 337761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 33786dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump // FIXME: double check this 33792455636163fdd18581d7fdae816433f886d88213Mike Stump bool NoReturn = lbase->getNoReturnAttr() || rbase->getNoReturnAttr(); 33802455636163fdd18581d7fdae816433f886d88213Mike Stump if (NoReturn != lbase->getNoReturnAttr()) 33812455636163fdd18581d7fdae816433f886d88213Mike Stump allLTypes = false; 33822455636163fdd18581d7fdae816433f886d88213Mike Stump if (NoReturn != rbase->getNoReturnAttr()) 33832455636163fdd18581d7fdae816433f886d88213Mike Stump allRTypes = false; 33842455636163fdd18581d7fdae816433f886d88213Mike Stump 33853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 3386465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 3387465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 33883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 33893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 33903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 33913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 33923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 33933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 33943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 33953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 33963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 33973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 33983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 33997fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 34007fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 34017fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 34023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 34033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 34043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 34053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 34063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 34073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argtype = mergeTypes(largtype, rargtype); 34083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 34093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 341061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 341161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 341261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 341361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 34143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 34153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 34163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 34173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 34182455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 34192455636163fdd18581d7fdae816433f886d88213Mike Stump NoReturn); 34203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 34213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 34223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 34233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 34243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 342572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 34263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 3427465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 34283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 34293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 34303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 34313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 34323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 34333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 34343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 34353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 34363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 34373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 34383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 34393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 34403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 34413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 34423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 34433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 34443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 34452d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 34462d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getTypeQuals(), NoReturn); 34473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 34483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 34493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 34503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 34512455636163fdd18581d7fdae816433f886d88213Mike Stump return getFunctionNoProtoType(retType, NoReturn); 34523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 34533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 34543d815e7eb56c25d7ed812eced32e41df43039f9aEli FriedmanQualType ASTContext::mergeTypes(QualType LHS, QualType RHS) { 345543d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 345643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 345743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 34587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 34597c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 34603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: C++ shouldn't be going through here! The rules are different 34613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // enough that they should be handled separately. 34627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // FIXME: Merging of lvalue and rvalue references is incorrect. C++ *really* 34637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // shouldn't be going through here! 346435366a67baa970c287c714c957cf78a4131cf60dTed Kremenek if (const ReferenceType *RT = LHS->getAsReferenceType()) 3465c4e405996217f4be20f73186da53b23b5c4783dcChris Lattner LHS = RT->getPointeeType(); 346635366a67baa970c287c714c957cf78a4131cf60dTed Kremenek if (const ReferenceType *RT = RHS->getAsReferenceType()) 3467c4e405996217f4be20f73186da53b23b5c4783dcChris Lattner RHS = RT->getPointeeType(); 34683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 34693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 34703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 34713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 3472f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 34733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 34743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 34753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 34763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // If the qualifiers are different, the types aren't compatible 34775a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // Note that we handle extended qualifiers later, in the 34785a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // case for ExtQualType. 34795a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (LHSCan.getCVRQualifiers() != RHSCan.getCVRQualifiers()) 34803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 34813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 3482852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 3483852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 3484f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 34851adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 34861adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 34871adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 34881adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 34894c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 349007d258756dc856c6987c394a0972884e6ed46765Eli Friedman // Strip off objc_gc attributes off the top level so they can be merged. 349107d258756dc856c6987c394a0972884e6ed46765Eli Friedman // This is a complete mess, but the attribute itself doesn't make much sense. 3492585f7b2f5c818d7579cffc91590bdc9e3d8b645dFariborz Jahanian if (RHSClass == Type::ExtQual) { 349307d258756dc856c6987c394a0972884e6ed46765Eli Friedman QualType::GCAttrTypes GCAttr = RHSCan.getObjCGCAttr(); 349407d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (GCAttr != QualType::GCNone) { 349586f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian QualType::GCAttrTypes GCLHSAttr = LHSCan.getObjCGCAttr(); 34968df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian // __weak attribute must appear on both declarations. 349786f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian // __strong attribue is redundant if other decl is an objective-c 349886f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian // object pointer (or decorated with __strong attribute); otherwise 349986f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian // issue error. 350086f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian if ((GCAttr == QualType::Weak && GCLHSAttr != GCAttr) || 350186f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian (GCAttr == QualType::Strong && GCLHSAttr != GCAttr && 350214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff !LHSCan->isObjCObjectPointerType())) 35038df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian return QualType(); 35048df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian 350507d258756dc856c6987c394a0972884e6ed46765Eli Friedman RHS = QualType(cast<ExtQualType>(RHS.getDesugaredType())->getBaseType(), 350607d258756dc856c6987c394a0972884e6ed46765Eli Friedman RHS.getCVRQualifiers()); 350707d258756dc856c6987c394a0972884e6ed46765Eli Friedman QualType Result = mergeTypes(LHS, RHS); 35088df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian if (!Result.isNull()) { 35098df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian if (Result.getObjCGCAttr() == QualType::GCNone) 35108df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian Result = getObjCGCQualType(Result, GCAttr); 35118df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian else if (Result.getObjCGCAttr() != GCAttr) 35128df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian Result = QualType(); 35138df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian } 351407d258756dc856c6987c394a0972884e6ed46765Eli Friedman return Result; 351507d258756dc856c6987c394a0972884e6ed46765Eli Friedman } 3516585f7b2f5c818d7579cffc91590bdc9e3d8b645dFariborz Jahanian } 3517585f7b2f5c818d7579cffc91590bdc9e3d8b645dFariborz Jahanian if (LHSClass == Type::ExtQual) { 351807d258756dc856c6987c394a0972884e6ed46765Eli Friedman QualType::GCAttrTypes GCAttr = LHSCan.getObjCGCAttr(); 351907d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (GCAttr != QualType::GCNone) { 35208df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian QualType::GCAttrTypes GCRHSAttr = RHSCan.getObjCGCAttr(); 35218df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian // __weak attribute must appear on both declarations. __strong 352286f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian // __strong attribue is redundant if other decl is an objective-c 352386f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian // object pointer (or decorated with __strong attribute); otherwise 352486f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian // issue error. 352586f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian if ((GCAttr == QualType::Weak && GCRHSAttr != GCAttr) || 352686f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian (GCAttr == QualType::Strong && GCRHSAttr != GCAttr && 352714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff !RHSCan->isObjCObjectPointerType())) 35288df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian return QualType(); 352986f4385536a0b2202860ad4e20d84f9330b1a4f4Fariborz Jahanian 353007d258756dc856c6987c394a0972884e6ed46765Eli Friedman LHS = QualType(cast<ExtQualType>(LHS.getDesugaredType())->getBaseType(), 353107d258756dc856c6987c394a0972884e6ed46765Eli Friedman LHS.getCVRQualifiers()); 353207d258756dc856c6987c394a0972884e6ed46765Eli Friedman QualType Result = mergeTypes(LHS, RHS); 35338df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian if (!Result.isNull()) { 35348df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian if (Result.getObjCGCAttr() == QualType::GCNone) 35358df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian Result = getObjCGCQualType(Result, GCAttr); 35368df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian else if (Result.getObjCGCAttr() != GCAttr) 35378df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian Result = QualType(); 35388df7a28269a1c0f4444928d0baea402b410e95f1Fariborz Jahanian } 3539354e53da656237e25518b3fafa3bf84de6e6f57eEli Friedman return Result; 354007d258756dc856c6987c394a0972884e6ed46765Eli Friedman } 3541585f7b2f5c818d7579cffc91590bdc9e3d8b645dFariborz Jahanian } 3542585f7b2f5c818d7579cffc91590bdc9e3d8b645dFariborz Jahanian 35434c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 3544a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 3545a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 3546a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 3547a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 3548a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner 3549213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 3550213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 3551213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 3552ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 35534e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 35544e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 35551adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 35561adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // a signed integer type, or an unsigned integer type. 35573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (const EnumType* ETy = LHS->getAsEnumType()) { 35583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 35593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 3560bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 35613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (const EnumType* ETy = RHS->getAsEnumType()) { 35623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 35633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 3564bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 35651adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 35663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 3567ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 35683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 35694a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 35701adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 357172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 357272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 357372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 357472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 357572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 357672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 357772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 357872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 35797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 35807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 358172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 358272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 358372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 358472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 358572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 358672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 358772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 358872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 358972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 359072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 359172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 35921adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 35933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 35943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 359535366a67baa970c287c714c957cf78a4131cf60dTed Kremenek QualType LHSPointee = LHS->getAsPointerType()->getPointeeType(); 359635366a67baa970c287c714c957cf78a4131cf60dTed Kremenek QualType RHSPointee = RHS->getAsPointerType()->getPointeeType(); 35973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 35983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 359907d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 360061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 360107d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 360261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 36033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 36043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 3605c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 3606c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 3607c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 360835366a67baa970c287c714c957cf78a4131cf60dTed Kremenek QualType LHSPointee = LHS->getAsBlockPointerType()->getPointeeType(); 360935366a67baa970c287c714c957cf78a4131cf60dTed Kremenek QualType RHSPointee = RHS->getAsBlockPointerType()->getPointeeType(); 3610c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 3611c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 3612c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 3613c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 3614c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 3615c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 3616c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 3617c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 36181adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 36193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 36203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 36213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 36223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 36233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 36243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 36253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 36263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 36273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 36283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 362961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 363061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 363161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 363261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 36333bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 36343bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 36353bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 36363bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 36373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 36383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 363961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 364061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 364161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 364261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 36433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 36443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 36453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 36463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 36473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 36483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 36493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 36503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 36513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 36523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 36533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 36543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 36553bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 36563bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 36577e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 36587e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 36593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 36601adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 36613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return mergeFunctionTypes(LHS, RHS); 366272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 366372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 36643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 36651adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 36663cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 36673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 366864cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 366964cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 367064cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 36713cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 36725a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 36733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (areCompatVectorTypes(LHS->getAsVectorType(), RHS->getAsVectorType())) 36743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 367561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 367661490e9a965cfee8a78c12c6802138844f04250dCedric Venet case Type::ObjCInterface: { 36775fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff // Check if the interfaces are assignment compatible. 36785a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 36795a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 36805fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff const ObjCInterfaceType* LHSIface = LHS->getAsObjCInterfaceType(); 36815fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff const ObjCInterfaceType* RHSIface = RHS->getAsObjCInterfaceType(); 36825fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff if (LHSIface && RHSIface && 36835fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff canAssignObjCInterfaces(LHSIface, RHSIface)) 36845fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 36855fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 36863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 368761490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 368814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 368914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (canAssignObjCInterfaces(LHS->getAsObjCObjectPointerType(), 369014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff RHS->getAsObjCObjectPointerType())) 369114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 369214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3693bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 369414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 36955a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman case Type::FixedWidthInt: 36965a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // Distinct fixed-width integers are not compatible. 36975a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return QualType(); 36985a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman case Type::ExtQual: 36995a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: ExtQual types can be compatible even if they're not 37005a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // identical! 37015a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return QualType(); 37025a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // First attempt at an implementation, but I'm not really sure it's 37035a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // right... 37045a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman#if 0 37055a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ExtQualType* LQual = cast<ExtQualType>(LHSCan); 37065a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ExtQualType* RQual = cast<ExtQualType>(RHSCan); 37075a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (LQual->getAddressSpace() != RQual->getAddressSpace() || 37085a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman LQual->getObjCGCAttr() != RQual->getObjCGCAttr()) 37095a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return QualType(); 37105a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman QualType LHSBase, RHSBase, ResultType, ResCanUnqual; 37115a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman LHSBase = QualType(LQual->getBaseType(), 0); 37125a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman RHSBase = QualType(RQual->getBaseType(), 0); 37135a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResultType = mergeTypes(LHSBase, RHSBase); 37145a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (ResultType.isNull()) return QualType(); 37155a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResCanUnqual = getCanonicalType(ResultType).getUnqualifiedType(); 37165a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (LHSCan.getUnqualifiedType() == ResCanUnqual) 37175a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return LHS; 37185a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman if (RHSCan.getUnqualifiedType() == ResCanUnqual) 37195a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return RHS; 37205a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResultType = getAddrSpaceQualType(ResultType, LQual->getAddressSpace()); 37215a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResultType = getObjCGCQualType(ResultType, LQual->getObjCGCAttr()); 37225a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman ResultType.setCVRQualifiers(LHSCan.getCVRQualifiers()); 37235a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return ResultType; 37245a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman#endif 37257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor case Type::TemplateSpecialization: 37277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor assert(false && "Dependent types have no size"); 37287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 3729ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 373072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 373172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 3732ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 37337192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 37345426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 3735ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 3736ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 373788054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 3738ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 3739ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman if (T == BoolTy) 3740ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 3741f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (FixedWidthIntType* FWIT = dyn_cast<FixedWidthIntType>(T)) { 3742f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return FWIT->getWidth(); 3743f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman } 3744f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 3745ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 3746ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 3747ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 3748ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 3749ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 3750ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman if (const EnumType* ETy = T->getAsEnumType()) 3751ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 3752ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman const BuiltinType* BTy = T->getAsBuiltinType(); 3753ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert (BTy && "Unexpected signed integer type"); 3754ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 3755ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 3756ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 3757ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 3758ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 3759ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 3760ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 3761ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 3762ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 3763ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 3764ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 3765ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 37662df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 37672df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 3768ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 3769ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 3770ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 3771ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 3772ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 3773ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 37742cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 37752cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 37762cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 377786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 377886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 377986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 378086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 378186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 378286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 378386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 378486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 378586df27bbdbb98c39ec2184695c0561209f91beddChris Lattnerstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 378686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 378786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 378886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 378986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 379086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 379186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 379286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 379386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 379486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 379586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 379686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 379786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 379886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 379986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 380086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 380186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 380286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 380386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 380486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 380586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 380686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 380786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 380886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 380986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 381086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 381186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 381286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 381386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 381486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 381586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 381686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 381786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 381886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 381986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 382086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 382186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 382286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 382386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 382486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 382586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 382686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 382786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 382886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 382986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 383086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 383186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 383286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 383386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 383486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 383586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 383686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 383786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 383886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 383986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 384086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 384186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 384286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 384386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 384486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 384586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 384686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 384786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 384886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 384986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 385086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 385186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 385286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 385386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 385486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 385586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 385686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 385786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 385886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 385986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 386086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 386186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 386286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 386386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 386486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 386586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 386686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 386786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 386886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 386986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 387086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 387186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 387286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 387386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 387486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 387586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 387686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 387786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 387886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 387986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 388086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 388186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 388286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 388386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 388486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 388586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 388686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 388786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 388886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 388986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 389086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 389186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 389286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 389386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 389486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 389586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 389686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 389786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 389886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 389986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 390086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 390186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 390286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 390386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 390486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getVectorType(ElementType, NumElements); 390586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 390686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 390786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'P': { 3908c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 3909c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 391086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = ASTContext::GE_Missing_FILE; 391186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 3912c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor } else { 3913c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor break; 391486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 391586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 391686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 391786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 391886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 391986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 392086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 392186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 392286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 392386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 392486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 392586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 392686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getPointerType(Type); 392786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 392886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 392986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 393086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 393186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 393286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 393386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Type.getQualifiedType(QualType::Const); 393486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 393586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 393686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 393786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 393886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 393986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 394086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 394186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 394286df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 394386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 394486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 394586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 394686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 394786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 394886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 394986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 395086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 395186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 395286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 395386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 395486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 395586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 395686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 395786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 395886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 395986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 396086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 396186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 396286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 396386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 396486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 396586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 396686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 396786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 396886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 396986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 397086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 397186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner TypeStr[0] == '.', 0); 397286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 3973