ASTContext.cpp revision 13dcd00615de5c4279d97bdf63cd5f0a14fd9dcc
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" 18b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 19e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 202cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 2119cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 221b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 23a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 25f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 276fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 28f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 2929445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson#include "RecordLayoutBuilder.h" 3029445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3761710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 38444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 39e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 401b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool FreeMem, unsigned size_reserve) : 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0), 43782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 44083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 45083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceMgr(SM), LangOpts(LOpts), 461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LoadedExternalComments(false), FreeMemory(FreeMem), Target(t), 472e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinInfo(builtins), ExternalSource(0), PrintingPolicy(LOpts) { 490f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 500f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 5113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSELRedefinitionType = QualType(); 521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 53e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 5414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 55e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 56e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Deallocate all the types. 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer while (!Types.empty()) { 604b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek Types.back()->Destroy(*this); 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.pop_back(); 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 63b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman 64b74668edbc119880eb0a7e563432314432cb775dNuno Lopes { 650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSet<ExtQuals>::iterator 660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall I = ExtQualNodes.begin(), E = ExtQualNodes.end(); 670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall while (I != E) 680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Deallocate(&*I++); 690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 72b74668edbc119880eb0a7e563432314432cb775dNuno Lopes llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 73b74668edbc119880eb0a7e563432314432cb775dNuno Lopes I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); 74b74668edbc119880eb0a7e563432314432cb775dNuno Lopes while (I != E) { 75b74668edbc119880eb0a7e563432314432cb775dNuno Lopes ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second); 76b74668edbc119880eb0a7e563432314432cb775dNuno Lopes delete R; 77b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 78b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 79b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 80b74668edbc119880eb0a7e563432314432cb775dNuno Lopes { 81b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar llvm::DenseMap<const ObjCContainerDecl*, const ASTRecordLayout*>::iterator 82b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar I = ObjCLayouts.begin(), E = ObjCLayouts.end(); 83b74668edbc119880eb0a7e563432314432cb775dNuno Lopes while (I != E) { 84b74668edbc119880eb0a7e563432314432cb775dNuno Lopes ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second); 85b74668edbc119880eb0a7e563432314432cb775dNuno Lopes delete R; 86b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 87b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 88b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 89ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor // Destroy nested-name-specifiers. 901ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor for (llvm::FoldingSet<NestedNameSpecifier>::iterator 911ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNS = NestedNameSpecifiers.begin(), 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNSEnd = NestedNameSpecifiers.end(); 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS != NNSEnd; 941ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor /* Increment in loop */) 951ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor (*NNS++).Destroy(*this); 96ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 97ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor if (GlobalNestedNameSpecifier) 98ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier->Destroy(*this); 99ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 100b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman TUDecl->Destroy(*this); 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 1042cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 1052cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 1062cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 1072cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 1117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 112dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 1131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 114dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 115dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 116dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 117dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 118c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 121dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 124dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 125dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 126dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 127dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 128dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 129dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 130dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 131dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 132dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 1331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 134dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 1352cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1362cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 1372cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 1382cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 1392cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 143e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 1446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 145e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 1466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 1511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 1541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 15815b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 1681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 1751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 18064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 1812df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 1822df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 1832df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 1842df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 1853a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 1863a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 1873a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 1883a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 18964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 190f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 191f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 192f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 193f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 194f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 195f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 196f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 197f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 198f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 199f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2008e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 201898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 202898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 203898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 204898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 205898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 206898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 207898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 208898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 2098e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 211e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 212e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 2131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 2188e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2197e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 2201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 221de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 222de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 223de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 22413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 2251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 227de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 228de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 22913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 23014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 231a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 2321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 23433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 2356e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 2366e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 2376e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 240251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 241663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 2427caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 243663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 2447caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 2457caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 2467caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 2471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 2497caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 252251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 253251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK) { 2547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 2557caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 2567caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 2577caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 258251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 259251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor = new (*this) MemberSpecializationInfo(Tmpl, TSK); 2607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2627ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 2630d8df780aef1acda5962347a32591efc629b6748Anders CarlssonASTContext::getInstantiatedFromUnresolvedUsingDecl(UsingDecl *UUD) { 2647ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 2650d8df780aef1acda5962347a32591efc629b6748Anders Carlsson = InstantiatedFromUnresolvedUsingDecl.find(UUD); 2660d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (Pos == InstantiatedFromUnresolvedUsingDecl.end()) 2670d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2690d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 2700d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 2710d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 2720d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 2730d8df780aef1acda5962347a32591efc629b6748Anders CarlssonASTContext::setInstantiatedFromUnresolvedUsingDecl(UsingDecl *UD, 2747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NamedDecl *UUD) { 2757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall assert((isa<UnresolvedUsingValueDecl>(UUD) || 2767ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall isa<UnresolvedUsingTypenameDecl>(UUD)) && 2777ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall "original declaration is not an unresolved using decl"); 2780d8df780aef1acda5962347a32591efc629b6748Anders Carlsson assert(!InstantiatedFromUnresolvedUsingDecl[UD] && 2790d8df780aef1acda5962347a32591efc629b6748Anders Carlsson "Already noted what using decl what instantiated from"); 2800d8df780aef1acda5962347a32591efc629b6748Anders Carlsson InstantiatedFromUnresolvedUsingDecl[UD] = UUD; 2810d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 2820d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 283d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 284d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 285d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 286d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 287d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 290d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 291d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 292d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 293d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 294d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 295d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 296d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 297d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 299d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 300d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 301d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 3022e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregornamespace { 3031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump class BeforeInTranslationUnit 3042e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor : std::binary_function<SourceRange, SourceRange, bool> { 3052e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceManager *SourceMgr; 3061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3072e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor public: 3082e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { } 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3102e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool operator()(SourceRange X, SourceRange Y) { 3112e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin()); 3122e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3132e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor }; 3142e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 3152e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3162e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \brief Determine whether the given comment is a Doxygen-style comment. 3172e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// 3182e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \param Start the start of the comment text. 3192e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// 3202e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \param End the end of the comment text. 3212e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// 3222e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \param Member whether we want to check whether this is a member comment 3232e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// (which requires a < after the Doxygen-comment delimiter). Otherwise, 3242e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// we only return true when we find a non-member comment. 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic bool 3261eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpisDoxygenComment(SourceManager &SourceMgr, SourceRange Comment, 3272e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool Member = false) { 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const char *BufferStart 3292e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getBufferData(SourceMgr.getFileID(Comment.getBegin())).first; 3302e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char *Start = BufferStart + SourceMgr.getFileOffset(Comment.getBegin()); 3312e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char* End = BufferStart + SourceMgr.getFileOffset(Comment.getEnd()); 3321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3332e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (End - Start < 4) 3342e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return false; 3352e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3362e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor assert(Start[0] == '/' && "Not a comment?"); 3372e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Start[1] == '*' && !(Start[2] == '!' || Start[2] == '*')) 3382e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return false; 3392e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Start[1] == '/' && !(Start[2] == '!' || Start[2] == '/')) 3402e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return false; 3412e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3422e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return (Start[3] == '<') == Member; 3432e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 3442e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3452e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \brief Retrieve the comment associated with the given declaration, if 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// it has one. 3472e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregorconst char *ASTContext::getCommentForDecl(const Decl *D) { 3482e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!D) 3492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 3501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3512e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Check whether we have cached a comment string for this declaration 3522e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // already. 3531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::DenseMap<const Decl *, std::string>::iterator Pos 3542e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = DeclComments.find(D); 3552e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Pos != DeclComments.end()) 3562e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return Pos->second.c_str(); 3572e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we have an external AST source and have not yet loaded comments from 3592e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // that source, do so now. 3602e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (ExternalSource && !LoadedExternalComments) { 3612e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange> LoadedComments; 3622e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ExternalSource->ReadComments(LoadedComments); 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3642e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!LoadedComments.empty()) 3652e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Comments.insert(Comments.begin(), LoadedComments.begin(), 3662e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LoadedComments.end()); 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3682e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LoadedExternalComments = true; 3692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If there are no comments anywhere, we won't find anything. 3722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Comments.empty()) 3732e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 3742e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3752e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the declaration doesn't map directly to a location in a file, we 3762e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // can't find the comment. 3772e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceLocation DeclStartLoc = D->getLocStart(); 3782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (DeclStartLoc.isInvalid() || !DeclStartLoc.isFileID()) 3792e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 3802e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 3812e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Find the comment that occurs just before this declaration. 3822e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange>::iterator LastComment 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = std::lower_bound(Comments.begin(), Comments.end(), 3842e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceRange(DeclStartLoc), 3852e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor BeforeInTranslationUnit(&SourceMgr)); 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3872e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Decompose the location for the start of the declaration and find the 3882e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // beginning of the file buffer. 3891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<FileID, unsigned> DeclStartDecomp 3902e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(DeclStartLoc); 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const char *FileBufferStart 3922e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getBufferData(DeclStartDecomp.first).first; 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3942e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // First check whether we have a comment for a member. 3952e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (LastComment != Comments.end() && 3962e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor !isa<TagDecl>(D) && !isa<NamespaceDecl>(D) && 3972e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor isDoxygenComment(SourceMgr, *LastComment, true)) { 3982e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> LastCommentEndDecomp 3992e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(LastComment->getEnd()); 4002e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (DeclStartDecomp.first == LastCommentEndDecomp.first && 4012e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceMgr.getLineNumber(DeclStartDecomp.first, DeclStartDecomp.second) 4021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump == SourceMgr.getLineNumber(LastCommentEndDecomp.first, 4032e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LastCommentEndDecomp.second)) { 4042e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // The Doxygen member comment comes after the declaration starts and 4052e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // is on the same line and in the same file as the declaration. This 4062e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // is the comment we want. 4072e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::string &Result = DeclComments[D]; 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result.append(FileBufferStart + 4091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceMgr.getFileOffset(LastComment->getBegin()), 4102e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor FileBufferStart + LastCommentEndDecomp.second + 1); 4112e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return Result.c_str(); 4122e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4132e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4152e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (LastComment == Comments.begin()) 4162e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 4172e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor --LastComment; 4182e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4192e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Decompose the end of the comment. 4202e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> LastCommentEndDecomp 4212e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(LastComment->getEnd()); 4221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4232e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the comment and the declaration aren't in the same file, then they 4242e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // aren't related. 4252e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (DeclStartDecomp.first != LastCommentEndDecomp.first) 4262e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 4271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4282e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Check that we actually have a Doxygen comment. 4292e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!isDoxygenComment(SourceMgr, *LastComment)) 4302e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 4311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4322e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Compute the starting line for the declaration and for the end of the 4332e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // comment (this is expensive). 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned DeclStartLine 4352e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getLineNumber(DeclStartDecomp.first, DeclStartDecomp.second); 4362e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor unsigned CommentEndLine 4371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = SourceMgr.getLineNumber(LastCommentEndDecomp.first, 4382e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LastCommentEndDecomp.second); 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4402e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the comment does not end on the line prior to the declaration, then 4412e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // the comment is not associated with the declaration at all. 4422e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (CommentEndLine + 1 != DeclStartLine) 4432e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 4441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4452e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // We have a comment, but there may be more comments on the previous lines. 4462e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Keep looking so long as the comments are still Doxygen comments and are 4472e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // still adjacent. 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned ExpectedLine 4492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getSpellingLineNumber(LastComment->getBegin()) - 1; 4502e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange>::iterator FirstComment = LastComment; 4512e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor while (FirstComment != Comments.begin()) { 4522e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Look at the previous comment 4532e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor --FirstComment; 4542e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> Decomp 4552e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(FirstComment->getEnd()); 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4572e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If this previous comment is in a different file, we're done. 4582e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Decomp.first != DeclStartDecomp.first) { 4592e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 4602e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor break; 4612e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4632e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If this comment is not a Doxygen comment, we're done. 4642e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!isDoxygenComment(SourceMgr, *FirstComment)) { 4652e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 4662e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor break; 4672e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the line number is not what we expected, we're done. 4702e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor unsigned Line = SourceMgr.getLineNumber(Decomp.first, Decomp.second); 4712e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Line != ExpectedLine) { 4722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 4732e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor break; 4742e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4762e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Set the next expected line number. 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExpectedLine 4782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getSpellingLineNumber(FirstComment->getBegin()) - 1; 4792e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4812e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // The iterator range [FirstComment, LastComment] contains all of the 4822e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // BCPL comments that, together, are associated with this declaration. 4832e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Form a single comment block string for this declaration that concatenates 4842e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // all of these comments. 4852e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::string &Result = DeclComments[D]; 4862e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor while (FirstComment != LastComment) { 4872e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> DecompStart 4882e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(FirstComment->getBegin()); 4892e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> DecompEnd 4902e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(FirstComment->getEnd()); 4912e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Result.append(FileBufferStart + DecompStart.second, 4922e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor FileBufferStart + DecompEnd.second + 1); 4932e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 4942e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4962e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Append the last comment line. 4971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result.append(FileBufferStart + 4981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceMgr.getFileOffset(LastComment->getBegin()), 4992e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor FileBufferStart + LastCommentEndDecomp.second + 1); 5002e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return Result.c_str(); 5012e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 5022e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 503464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 504464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 505464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 506a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 507b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 508b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 509b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 510183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 511b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 512b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 513b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 514b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 515b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 516b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 517b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 518b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 519b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 520196efbf095d75180305a45f3033caa1003746604Mike Stump/// getDeclAlignInBytes - Return a conservative estimate of the alignment of the 521af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 522af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 523b7d0844c887a72064b624dc6df12cbe1441f69d0Daniel Dunbarunsigned ASTContext::getDeclAlignInBytes(const Decl *D) { 524dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 525dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 52640b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 527bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Align, AA->getMaxAlignment()); 528dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 529af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 530af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 5316217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 5324cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson unsigned AS = RT->getPointeeType().getAddressSpace(); 533f0930235ce58a91aa3b840bece9052f44d630536Anders Carlsson Align = Target.getPointerAlign(AS); 5344cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson } else if (!T->isIncompleteType() && !T->isFunctionType()) { 5354cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 536dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 537dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 538dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 539dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 540dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 541af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 542dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 543dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman return Align / Target.getCharWidth(); 544af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 545b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 546a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 547a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 5480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 5490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 5500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 5510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 552d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 5531d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 5545e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 5555e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 556a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 55772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 55872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 55918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 56072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 56172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 56218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 56372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 56472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5655d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 5665d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 56718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 56818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 56918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 57018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 57118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 57272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 573fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 57418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 57518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 57618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 57718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 578fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 5791d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58198be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 5829e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 583030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 584030d8846c7e520330007087e949f621989876e3aChris Lattner break; 5855c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 586213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 587030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 5889fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 5899fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 5909fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 5914bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 5926fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 5936fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 5949fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner if (VT->getNumElements() & (VT->getNumElements()-1)) { 5959fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 5969fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 5979fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 598030d8846c7e520330007087e949f621989876e3aChris Lattner break; 599030d8846c7e520330007087e949f621989876e3aChris Lattner } 6005d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 6019e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 602a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 603692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 604d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 60518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 60618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 60718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 60818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 60918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 6106f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 6119e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 6129e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 6136f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 614692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 615692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 616692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 6176f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 6189e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 6199e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 6206f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 62164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 62264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 62364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 62464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 625f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 626f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 627f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 628f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 629f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 630f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 631f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 632f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 633692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 6346f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 6359e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 6369e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 6376f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 638692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 6396f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 6409e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 6419e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 6426f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 643692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 6446f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 6459e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 6469e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 6476f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 648692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 6496f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 6509e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 6519e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 6526f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 653ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 654ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 655ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 656ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 657ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 6586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 6599e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 6609e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 6616f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6626f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 6635426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 6645426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 6656f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6666f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 6679e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 6689e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 6696f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6706e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 6716e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 6726e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 6731590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 674a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 675bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 676f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman case Type::FixedWidthInt: 677f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // FIXME: This isn't precisely correct; the width/alignment should depend 678f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // on the available types for the target 679f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman Width = cast<FixedWidthIntType>(T)->getWidth(); 680736166b38235cf6d0ffb67638960d95fb2afcbd6Chris Lattner Width = std::max(llvm::NextPowerOf2(Width - 1), (uint64_t)8); 681f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman Align = Width; 682f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman break; 683d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 6845426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 685f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 6866f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 687485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 688485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 689485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 690485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 691485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 692485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 693f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 694f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 6955426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 696f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 697f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 698f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 6997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 7007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 7017ab2ed8e881ffdc84e890f5265c41b930df17ceeChris Lattner // "When applied to a reference or a reference type, the result is the size 7025d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // of the referenced type." C++98 5.3.3p2: expr.sizeof. 7036f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner // FIXME: This is wrong for struct layout: a reference in a struct has 7046f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner // pointer size. 705bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner return getTypeInfo(cast<ReferenceType>(T)->getPointeeType()); 706f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 7071cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson // FIXME: This is ABI dependent. We use the Itanium C++ ABI. 7081cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson // http://www.codesourcery.com/public/cxx-abi/abi.html#member-pointers 7091cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson // If we ever want to support other ABIs this needs to be abstracted. 7101cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson 711f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 7131cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 7141cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Width = PtrDiffInfo.first; 715f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 716f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 7171cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 7181cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 719f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 7205d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 7215d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 7225d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 7231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 72498be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 7259e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 7265d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 7275d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 7285d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 72944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 7301d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 73144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 73244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 73344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 73444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 73544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 73672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 73772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 7381d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 7391d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 7401d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 7418389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 7428389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 7438389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 7448389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 7451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 7477176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 7487176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 7491d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 7507176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 7517176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 7527176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 753dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 754a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 7557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 7569fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 75749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 75849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 75949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 7609fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::Elaborated: 7619fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner return getTypeInfo(cast<ElaboratedType>(T)->getUnderlyingType() 7629fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner .getTypePtr()); 7637da2431c23ef1ee8acb114e39692246e1801afc2John McCall 76418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 76518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 76640b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 767bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Aligned->getMaxAlignment(), 768bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt getTypeAlign(Typedef->getUnderlyingType().getTypePtr())); 76918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 77018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 77118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 7727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 7737176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 77418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 77518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 77618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 77718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 77818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 77918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 78018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 78118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 782395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 783395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 784395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 785395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 78618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::QualifiedName: 78718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<QualifiedNameType>(T)->getNamedType().getTypePtr()); 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 78918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 79118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 79218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 79318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 79418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 79518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 79618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 798464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 7999e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 800a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 801a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 80234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 80334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 80434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 80534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 80634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 80734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 8081eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 8091eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 810183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 8111eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 8121eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 8131eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 8141eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 8151eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 81634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 81734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 81834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 819a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 820a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 821a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 822a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 823a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 824f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 825a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 826a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 827a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 828a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 829a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 830a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 831a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 832a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 833a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 834a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 835a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 836a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 8378e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 8388e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 8398e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 8408e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 8418e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars, 8428e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian bool CollectSynthesized) { 8438e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 8448e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 8458e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 8468e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 8478e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if (CollectSynthesized) 8488e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian CollectSynthesizedIvars(OI, Ivars); 8498e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8508e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8519820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanianvoid ASTContext::CollectProtocolSynthesizedIvars(const ObjCProtocolDecl *PD, 8529820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 85317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCContainerDecl::prop_iterator I = PD->prop_begin(), 85417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = PD->prop_end(); I != E; ++I) 8559820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian if (ObjCIvarDecl *Ivar = (*I)->getPropertyIvarDecl()) 8569820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian Ivars.push_back(Ivar); 8571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8589820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian // Also look into nested protocols. 8599820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = PD->protocol_begin(), 8609820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian E = PD->protocol_end(); P != E; ++P) 8619820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian CollectProtocolSynthesizedIvars(*P, Ivars); 8629820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 8639820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 8649820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// CollectSynthesizedIvars - 8659820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// This routine collect synthesized ivars for the designated class. 8669820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 8679820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanianvoid ASTContext::CollectSynthesizedIvars(const ObjCInterfaceDecl *OI, 8689820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 86917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCInterfaceDecl::prop_iterator I = OI->prop_begin(), 87017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = OI->prop_end(); I != E; ++I) { 8719820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian if (ObjCIvarDecl *Ivar = (*I)->getPropertyIvarDecl()) 8729820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian Ivars.push_back(Ivar); 8739820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian } 8749820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian // Also look into interface's protocol list for properties declared 8759820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian // in the protocol and whose ivars are synthesized. 8769820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 8779820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 8789820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian ObjCProtocolDecl *PD = (*P); 8799820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian CollectProtocolSynthesizedIvars(PD, Ivars); 8809820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian } 8819820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 8829820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 883e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 884e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 885e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 886e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl*> &Protocols) { 887e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 888e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 889e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 890e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 891e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian Protocols.push_back(Proto); 892e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 893e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 894e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 895e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 896e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 897e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 898e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 899e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 900e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 901e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 902e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 903e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 904e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 905e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 906e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian return; 907e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 908e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 909e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 910e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 911e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 912e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian Protocols.push_back(Proto); 913e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 914e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 915e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 916e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 917e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian return; 918e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 919e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 920e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 921e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 922e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 923e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian Protocols.push_back(Proto); 924e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 925e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 926e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 927e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 928e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian return; 929e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 930e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 931e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 9328e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianunsigned ASTContext::CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD) { 9338e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned count = 0; 93417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCContainerDecl::prop_iterator I = PD->prop_begin(), 93517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = PD->prop_end(); I != E; ++I) 9368e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if ((*I)->getPropertyIvarDecl()) 9378e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian ++count; 9388e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9398e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian // Also look into nested protocols. 9408e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = PD->protocol_begin(), 9418e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = PD->protocol_end(); P != E; ++P) 9428e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian count += CountProtocolSynthesizedIvars(*P); 9438e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 9448e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 9458e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpunsigned ASTContext::CountSynthesizedIvars(const ObjCInterfaceDecl *OI) { 9478e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned count = 0; 94817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCInterfaceDecl::prop_iterator I = OI->prop_begin(), 94917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = OI->prop_end(); I != E; ++I) { 9508e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if ((*I)->getPropertyIvarDecl()) 9518e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian ++count; 9528e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 9538e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian // Also look into interface's protocol list for properties declared 9548e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian // in the protocol and whose ivars are synthesized. 9558e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 9568e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 9578e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian ObjCProtocolDecl *PD = (*P); 9588e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian count += CountProtocolSynthesizedIvars(PD); 9598e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 9608e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 9618e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 9628e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 9648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 9658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 9698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 9728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 9738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 9778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 9808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 9818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 9828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 9838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 9848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 9858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 9878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 9888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 9898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 9908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 9918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 993b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \brief Allocate an uninitialized DeclaratorInfo. 994b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 995b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// The caller should initialize the memory held by DeclaratorInfo using 996b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 997b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 998b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 999b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1000b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1001109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCallDeclaratorInfo *ASTContext::CreateDeclaratorInfo(QualType T, 1002109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 1003109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1004109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1005109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1006109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1007109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall "incorrect data size provided to CreateDeclaratorInfo!"); 1008109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1009b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis DeclaratorInfo *DInfo = 1010b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis (DeclaratorInfo*)BumpAlloc.Allocate(sizeof(DeclaratorInfo) + DataSize, 8); 1011b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis new (DInfo) DeclaratorInfo(T); 1012b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis return DInfo; 1013b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1014b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1015a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCallDeclaratorInfo *ASTContext::getTrivialDeclaratorInfo(QualType T, 1016a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 1017a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DeclaratorInfo *DI = CreateDeclaratorInfo(T); 1018a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 1019a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1020a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1021a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1022b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// getInterfaceLayoutImpl - Get or compute information about the 1023b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// layout of the given interface. 1024b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// 1025b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// \param Impl - If given, also include the layout of the interface's 1026b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// implementation. This may differ by including synthesized ivars. 102744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patelconst ASTRecordLayout & 1028b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getObjCLayout(const ObjCInterfaceDecl *D, 1029b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ObjCImplementationDecl *Impl) { 1030532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar assert(!D->isForwardDecl() && "Invalid interface decl!"); 1031532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar 103244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Look up this layout, if already laid out, return what we have. 10331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCContainerDecl *Key = 1034d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar Impl ? (ObjCContainerDecl*) Impl : (ObjCContainerDecl*) D; 1035d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar if (const ASTRecordLayout *Entry = ObjCLayouts[Key]) 1036d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar return *Entry; 103744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 1038453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // Add in synthesized ivar count if laying out an implementation. 1039453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar if (Impl) { 104029445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson unsigned FieldCount = D->ivar_size(); 10418e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned SynthCount = CountSynthesizedIvars(D); 10428e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian FieldCount += SynthCount; 1043d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar // If there aren't any sythesized ivars then reuse the interface 1044453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entry. Note we can't cache this because we simply free all 1045453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entries later; however we shouldn't look up implementations 1046453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // frequently. 10478e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if (SynthCount == 0) 1048453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar return getObjCLayout(D, 0); 1049453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar } 1050453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 105229445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D, Impl); 105329445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ObjCLayouts[Key] = NewEntry; 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 105544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel return *NewEntry; 105644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel} 105744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 1058b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1059b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 1060b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1061b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1062b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1063b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1064b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 1065b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1066b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1067b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 106888a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel/// getASTRecordLayout - Get or compute information about the layout of the 1069464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// specified record (struct/union/class), which indicates its size and field 1070464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// position information. 107198be4943e8dc4f3905629a7102668960873cf863Chris Lattnerconst ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) { 10724b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek D = D->getDefinition(*this); 10734b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek assert(D && "Cannot get layout of forward declarations!"); 10744bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 1075464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Look up this layout, if already laid out, return what we have. 1076ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // Note that we can't save a reference to the entry because this function 1077ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // is recursive. 1078ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman const ASTRecordLayout *Entry = ASTRecordLayouts[D]; 1079464175bba1318bef7905122e9fda20cff926df78Chris Lattner if (Entry) return *Entry; 10804bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 108229445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D); 1083ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman ASTRecordLayouts[D] = NewEntry; 10841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10855d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner return *NewEntry; 1086464175bba1318bef7905122e9fda20cff926df78Chris Lattner} 1087464175bba1318bef7905122e9fda20cff926df78Chris Lattner 1088a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1089a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1090a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1091a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 10920953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 10930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 10940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 10950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 10970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 10980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 10990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 11000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 11010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 11020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 11030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 11040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 11050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 11070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 11080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 11090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 11100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 11110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11120953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 11130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 11140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 11150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 11190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 11210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 11220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1123f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1124f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1125f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1126f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1127b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 11280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 11290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 11300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 11340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 11360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 11370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1140ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1141ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1142b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 11430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1144d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1145b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1146d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 11471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11484027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 11496217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 115058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 11514027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 11524027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 11534027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 11544027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 11551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 11570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 11580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 11620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 11640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 11650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1168d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1169a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 11702455636163fdd18581d7fdae816433f886d88213Mike StumpQualType ASTContext::getNoReturnType(QualType T) { 11710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 11722455636163fdd18581d7fdae816433f886d88213Mike Stump if (T->isPointerType()) { 11736217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 11740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType = getNoReturnType(Pointee); 11756dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump ResultType = getPointerType(ResultType); 11760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else if (T->isBlockPointerType()) { 11776217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<BlockPointerType>()->getPointeeType(); 11780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType = getNoReturnType(Pointee); 11796dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump ResultType = getBlockPointerType(ResultType); 11800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 11810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert (T->isFunctionType() 11820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "can't noreturn qualify non-pointer to function or block type"); 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1184bdbeeb50c5d182c591bd8797dc0485921df19e9dBenjamin Kramer if (const FunctionNoProtoType *FNPT = T->getAs<FunctionNoProtoType>()) { 1185bdbeeb50c5d182c591bd8797dc0485921df19e9dBenjamin Kramer ResultType = getFunctionNoProtoType(FNPT->getResultType(), true); 11860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 11870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const FunctionProtoType *F = T->getAs<FunctionProtoType>(); 11880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 11890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall = getFunctionType(F->getResultType(), F->arg_type_begin(), 11900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall F->getNumArgs(), F->isVariadic(), F->getTypeQuals(), 11910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall F->hasExceptionSpec(), F->hasAnyExceptionSpec(), 11920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall F->getNumExceptions(), F->exception_begin(), true); 11930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 11942455636163fdd18581d7fdae816433f886d88213Mike Stump } 11950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1196a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getQualifiedType(ResultType, T.getLocalQualifiers()); 11972455636163fdd18581d7fdae816433f886d88213Mike Stump} 11982455636163fdd18581d7fdae816433f886d88213Mike Stump 11995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 12101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1214467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1215f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1219f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1227f98aba35e6c3da5aae61843fc01334939e4e12ecEli FriedmanQualType ASTContext::getFixedWidthIntType(unsigned Width, bool Signed) { 1228f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman llvm::DenseMap<unsigned, FixedWidthIntType*> &Map = Signed ? 1229f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman SignedFixedWidthIntTypes : UnsignedFixedWidthIntTypes; 1230f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman FixedWidthIntType *&Entry = Map[Width]; 1231f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (!Entry) 1232f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman Entry = new FixedWidthIntType(Width, Signed); 1233f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return QualType(Entry, 0); 1234f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman} 12355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 12375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 12385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 12395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 12431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1251467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1252f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 12531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1256f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 12655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 12665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1267296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1268296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 12695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 12705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 12715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 12721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 12745618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 12755618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12765618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 12771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 12795618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 12805618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1281467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 12825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 12831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 12855618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 12865618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1287f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 12906b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 12915618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 12925618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 12935618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 12945618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 12955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 12977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 129854e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 130254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 13035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 13067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 13087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 130954e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 131054e14c4db764c0636160d26c5bbf491637c83a76John McCall 13115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 13125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 13135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 131454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 131554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 131654e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 13177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 13197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 13207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 13217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 132554e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 132654e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 13277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 13287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 132954e14c4db764c0636160d26c5bbf491637c83a76John McCall 13307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 13317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 13327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 13347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 13357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 13367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 13377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 13387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 133954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 13407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 13427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 13437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 13457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 134654e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 134754e14c4db764c0636160d26c5bbf491637c83a76John McCall 13487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 13497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 13507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 135154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 135254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 135354e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 13547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 13577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1358f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 13626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 13655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1368f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1369f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1371f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1372f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1373f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1374f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1375f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1376f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1377f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1378f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1379f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1380f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1381f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1382f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1383f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 138487c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1385f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1386f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1387f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1388f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1389f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1390f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1391f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 13926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 13936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1394f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1395f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1396f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1397f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1398f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 13991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1400fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 140238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1403c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1404c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1405923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1406923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1407587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1408587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 140938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 141038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 141138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 141238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 14150be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 14197192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 14205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 14211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 14235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1425467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 14261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1427c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 14285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 14307192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1431f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 14356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 14367192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1441bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1442bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 14437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 14447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1445c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 14467e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14477e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1448c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1449c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1450c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 14516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 14526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType(EltTy, QualType(), NumElts, ASM, EltTypeQuals, Brackets); 1453c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1454c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1455c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1456c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1457c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1458c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1459898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1460898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 146104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 14627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 14637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1464898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 14657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1467cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1468cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1469898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1470898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 147104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1472cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1473cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1474cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1475cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1476cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1477cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1478cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor llvm::FoldingSetNodeID ID; 1479cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1480cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1481cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1482cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1483cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1484cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 148504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 148604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 148704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 148804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 14896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14906b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 14916b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 149204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 149304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 149404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 14956b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14966b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 14976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1498cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1499cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) 1500cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 150104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 150204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 150304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 150404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 15056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 15076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 150804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 150904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 15101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1511898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1512898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1513898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1514898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1515c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1516c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1517c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1518c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 15190be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1520c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1521c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 15221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1523c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1524c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1525c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1526c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1527c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1528c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1529c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1530467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1531f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 15322bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1533c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1534c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1535c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1536c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1537f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15382bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1539c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 15406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 15416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1542c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1543c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1544c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1545c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1546fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1547fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 154873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 154973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 155073322924127c873c13101b705dd823f5539ffa5fSteve NaroffQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts) { 15515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 15521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1553f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 155473322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 15575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 15581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType::Profile(ID, vecType, NumElts, Type::Vector); 15595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 15615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 15625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 15645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 15655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1566467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1567f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getVectorType(getCanonicalType(vecType), NumElts); 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1571f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 15746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType(vecType, NumElts, Canonical); 15755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 15765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1580213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 158173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1582213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 158373322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1585f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1586213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 15871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 158873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 158973322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 15901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType::Profile(ID, vecType, NumElts, Type::ExtVector); 159173322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 159273322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 159373322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 159473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 159573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 159673322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 159773322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1598467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1599213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 16001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 160173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 160273322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1603f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 160473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 16056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 16066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 160773322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 160873322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 160973322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 161073322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 161173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 16121eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 16139cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 16149cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 16152ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 16161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 16172ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 16181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16192ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 16202ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 16212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 16222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 16232ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 16242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 16252ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 16266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 16286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 16292ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16302ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 16312ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 16326b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 16346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 16352ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 16362ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16372ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 16382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 16396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 16412ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16422ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16449cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 16459cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 16469cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 16479cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 164872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 16495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 16502455636163fdd18581d7fdae816433f886d88213Mike StumpQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, bool NoReturn) { 16515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 16542455636163fdd18581d7fdae816433f886d88213Mike Stump FunctionNoProtoType::Profile(ID, ResultTy, NoReturn); 16551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 165872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 16601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1662467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!ResultTy.isCanonical()) { 16632455636163fdd18581d7fdae816433f886d88213Mike Stump Canonical = getFunctionNoProtoType(getCanonicalType(ResultTy), NoReturn); 16641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 166672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 166772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1668f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 16726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType(ResultTy, Canonical, NoReturn); 16735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 167472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 16755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 16795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 168061710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1681971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1682465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1683465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 16842455636163fdd18581d7fdae816433f886d88213Mike Stump const QualType *ExArray, bool NoReturn) { 16855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 168872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1689465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 16902455636163fdd18581d7fdae816433f886d88213Mike Stump NumExs, ExArray, NoReturn); 16915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 169472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1696465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1697465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 169854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 16995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 170054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 17015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 17025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1704465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 17055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 17065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (!isCanonical) { 17075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 17085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 17095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 171054e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1711465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1712f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1713beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 171447259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 171547259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor false, 0, 0, NoReturn); 1716465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 17175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 171872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 171972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1720f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 17215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1722465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 172372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1724465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1725465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 17261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1727465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1728465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 17296b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 173072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1731465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 17322455636163fdd18581d7fdae816433f886d88213Mike Stump ExArray, NumExs, Canonical, NoReturn); 17335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 173472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 17355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 17365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17382ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 17392ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 17404b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed KremenekQualType ASTContext::getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl) { 17411e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 17422ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17441e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis if (TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 17452ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1746fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor else if (isa<TemplateTypeParmDecl>(Decl)) { 1747fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor assert(false && "Template type parameter types are always available."); 17489fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (ObjCInterfaceDecl *ObjCInterface 17499fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump = dyn_cast<ObjCInterfaceDecl>(Decl)) 17502ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getObjCInterfaceType(ObjCInterface); 175149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1752c1efaecf0373f1a55c5ef4c234357cf726fc0600Douglas Gregor if (RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1753566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek if (PrevDecl) 1754566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek Decl->TypeForDecl = PrevDecl->TypeForDecl; 1755f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff else 17566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Record); 17579fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1758566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek if (PrevDecl) 1759566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek Decl->TypeForDecl = PrevDecl->TypeForDecl; 1760f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff else 17616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Enum); 17629fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 17632ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor assert(false && "TypeDecl without a type?"); 176449aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 17654b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek if (!PrevDecl) Types.push_back(Decl->TypeForDecl); 176649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 17672ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 17682ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 17695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 17705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 17715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getTypedefType(TypedefDecl *Decl) { 17725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 17731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1774f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 17756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 17766b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 17775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 17785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 17795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 178149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 178249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 178349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 178449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1785467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 178649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 178749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 178849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 178949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 179049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 179149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 179249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 179349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 179449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 179549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 179649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 179749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 179849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 179949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 180049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 180149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 180249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 180349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1804fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 18051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 180676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 18071eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 180876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1809fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name) { 1810fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 181176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1812fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 18131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1814fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1815fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1816fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1817fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 18181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 181976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson if (Name) { 182076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 18216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 18226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 182376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 18246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 18256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1826fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1827fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1828fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1829fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1830fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1831fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1832fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 18331eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 18347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1835833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *Args, 1836833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 1837833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall QualType Canon) { 1838833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1839833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1840833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1841833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1842833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1843833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, Canon); 1844833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1845833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1846833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1847833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 18487532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 18497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 18507532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon) { 1851b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1852b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 1853b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor else { 1854b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor // Build the canonical template specialization type. 18551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateName CanonTemplate = getCanonicalTemplateName(Template); 18561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::SmallVector<TemplateArgument, 4> CanonArgs; 18571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.reserve(NumArgs); 18581275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 18591275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 18601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Determine whether this canonical template specialization type already 18621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // exists. 18631275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::FoldingSetNodeID ID; 18641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType::Profile(ID, CanonTemplate, 1865828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor CanonArgs.data(), NumArgs, *this); 18661275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor void *InsertPos = 0; 18681275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateSpecializationType *Spec 18691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 18701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor if (!Spec) { 18721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate a new canonical template specialization type. 18731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 18741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Spec = new (Mem) TemplateSpecializationType(*this, CanonTemplate, 18771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.data(), NumArgs, 1878b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon); 18791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Types.push_back(Spec); 18801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 18811275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 18821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1883b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (Canon.isNull()) 1884b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = QualType(Spec, 0); 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Canon->isDependentType() && 18861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor "Non-dependent template-id type must have a canonical type"); 1887b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor } 1888fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 18891275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 18901275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 18911275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 18921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 189340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18946b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 18951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 18961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = new (Mem) TemplateSpecializationType(*this, Template, Args, NumArgs, 1897828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 18981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 19001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 190155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 190255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 19031eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 1904ab452ba8323d1985e08bade2bced588cddf2cc28Douglas GregorASTContext::getQualifiedNameType(NestedNameSpecifier *NNS, 1905e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType) { 1906e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1907ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualifiedNameType::Profile(ID, NNS, NamedType); 1908e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1909e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualifiedNameType *T 1911e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor = QualifiedNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1912e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1913e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1914e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 19151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump T = new (*this) QualifiedNameType(NNS, NamedType, 1916ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor getCanonicalType(NamedType)); 1917e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1918e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualifiedNameTypes.InsertNode(T, InsertPos); 1919e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1920e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1921e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 19221eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTypenameType(NestedNameSpecifier *NNS, 1923d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 1924d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon) { 1925d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1926d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1927d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1928d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 1929d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (CanonNNS != NNS) 1930d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Canon = getTypenameType(CanonNNS, Name); 1931d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1932d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1933d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 1934d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameType::Profile(ID, NNS, Name); 1935d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1936d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 19371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypenameType *T 1938d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); 1939d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 1940d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1941d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1942d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T = new (*this) TypenameType(NNS, Name, Canon); 1943d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 1944d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameTypes.InsertNode(T, InsertPos); 19451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 1946d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1947d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19481eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19491eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpASTContext::getTypenameType(NestedNameSpecifier *NNS, 19501734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 19511734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon) { 19521734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 19531734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (Canon.isNull()) { 19551734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19561734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); 19571734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (CanonNNS != NNS || CanonType != QualType(TemplateId, 0)) { 19581734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *CanonTemplateId 1959183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall = CanonType->getAs<TemplateSpecializationType>(); 19601734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(CanonTemplateId && 19611734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "Canonical type must also be a template specialization type"); 19621734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Canon = getTypenameType(CanonNNS, CanonTemplateId); 19631734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 19641734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 19651734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19661734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor llvm::FoldingSetNodeID ID; 19671734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameType::Profile(ID, NNS, TemplateId); 19681734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19691734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor void *InsertPos = 0; 19701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypenameType *T 19711734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); 19721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (T) 19731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor return QualType(T, 0); 19741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19751734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor T = new (*this) TypenameType(NNS, TemplateId, Canon); 19761734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 19771734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameTypes.InsertNode(T, InsertPos); 19781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 19791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 19801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19817da2431c23ef1ee8acb114e39692246e1801afc2John McCallQualType 19827da2431c23ef1ee8acb114e39692246e1801afc2John McCallASTContext::getElaboratedType(QualType UnderlyingType, 19837da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedType::TagKind Tag) { 19847da2431c23ef1ee8acb114e39692246e1801afc2John McCall llvm::FoldingSetNodeID ID; 19857da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedType::Profile(ID, UnderlyingType, Tag); 19861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19877da2431c23ef1ee8acb114e39692246e1801afc2John McCall void *InsertPos = 0; 19887da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 19897da2431c23ef1ee8acb114e39692246e1801afc2John McCall if (T) 19907da2431c23ef1ee8acb114e39692246e1801afc2John McCall return QualType(T, 0); 19917da2431c23ef1ee8acb114e39692246e1801afc2John McCall 19927da2431c23ef1ee8acb114e39692246e1801afc2John McCall QualType Canon = getCanonicalType(UnderlyingType); 19937da2431c23ef1ee8acb114e39692246e1801afc2John McCall 19947da2431c23ef1ee8acb114e39692246e1801afc2John McCall T = new (*this) ElaboratedType(UnderlyingType, Tag, Canon); 19957da2431c23ef1ee8acb114e39692246e1801afc2John McCall Types.push_back(T); 19967da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedTypes.InsertNode(T, InsertPos); 19977da2431c23ef1ee8acb114e39692246e1801afc2John McCall return QualType(T, 0); 19987da2431c23ef1ee8acb114e39692246e1801afc2John McCall} 19997da2431c23ef1ee8acb114e39692246e1801afc2John McCall 200088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 200188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 200288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 200388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 20042e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 200588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 200688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 200754e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl **Protocols, 200854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 200954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 201054e14c4db764c0636160d26c5bbf491637c83a76John McCall 201154e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 201254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 201354e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 201454e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 201554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 201654e14c4db764c0636160d26c5bbf491637c83a76John McCall 201754e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 201888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 201988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 20201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 202188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 202288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 202388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 202488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 202588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 202688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 202788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 202888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2029d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2030d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff/// the given interface decl and the conforming protocol list. 203114108da7f7fc059772711e4ffee1322a27b152a7Steve NaroffQualType ASTContext::getObjCObjectPointerType(QualType InterfaceT, 20321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCProtocolDecl **Protocols, 2033d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff unsigned NumProtocols) { 2034d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSetNodeID ID; 203514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCObjectPointerType::Profile(ID, InterfaceT, Protocols, NumProtocols); 2036d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2037d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2038d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff if (ObjCObjectPointerType *QT = 2039d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 2040d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return QualType(QT, 0); 2041d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 204254e14c4db764c0636160d26c5bbf491637c83a76John McCall // Sort the protocol list alphabetically to canonicalize it. 204354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 204454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!InterfaceT.isCanonical() || 204554e14c4db764c0636160d26c5bbf491637c83a76John McCall !areSortedAndUniqued(Protocols, NumProtocols)) { 204654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!areSortedAndUniqued(Protocols, NumProtocols)) { 204754e14c4db764c0636160d26c5bbf491637c83a76John McCall llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(NumProtocols); 204854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 204954e14c4db764c0636160d26c5bbf491637c83a76John McCall 205054e14c4db764c0636160d26c5bbf491637c83a76John McCall std::copy(Protocols, Protocols + NumProtocols, Sorted.begin()); 205154e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 205254e14c4db764c0636160d26c5bbf491637c83a76John McCall 205354e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getObjCObjectPointerType(getCanonicalType(InterfaceT), 205454e14c4db764c0636160d26c5bbf491637c83a76John McCall &Sorted[0], UniqueCount); 205554e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 205654e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getObjCObjectPointerType(getCanonicalType(InterfaceT), 205754e14c4db764c0636160d26c5bbf491637c83a76John McCall Protocols, NumProtocols); 205854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 205954e14c4db764c0636160d26c5bbf491637c83a76John McCall 206054e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 206154e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 206254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 206354e14c4db764c0636160d26c5bbf491637c83a76John McCall 2064d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff // No Match; 20656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ObjCObjectPointerType *QType = new (*this, TypeAlignment) 206654e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCObjectPointerType(Canonical, InterfaceT, Protocols, NumProtocols); 20671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2068d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff Types.push_back(QType); 2069d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 2070d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return QualType(QType, 0); 2071d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 207288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2073c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff/// getObjCInterfaceType - Return the unique reference to the type for the 2074c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff/// specified ObjC interface decl. The list of protocols is optional. 2075c15cb2af27514ecc879daba9aa01389c5203685dSteve NaroffQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 2076a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **Protocols, unsigned NumProtocols) { 20774b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2078c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceType::Profile(ID, Decl, Protocols, NumProtocols); 20791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20804b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2081c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (ObjCInterfaceType *QT = 2082c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos)) 20834b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 20841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 208554e14c4db764c0636160d26c5bbf491637c83a76John McCall // Sort the protocol list alphabetically to canonicalize it. 208654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 208754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols && !areSortedAndUniqued(Protocols, NumProtocols)) { 208854e14c4db764c0636160d26c5bbf491637c83a76John McCall llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(NumProtocols); 208954e14c4db764c0636160d26c5bbf491637c83a76John McCall std::copy(Protocols, Protocols + NumProtocols, Sorted.begin()); 20904b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 209154e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 209254e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 209324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 209454e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getObjCInterfaceType(Decl, &Sorted[0], UniqueCount); 209554e14c4db764c0636160d26c5bbf491637c83a76John McCall 209654e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos); 209754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 209854e14c4db764c0636160d26c5bbf491637c83a76John McCall 209954e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCInterfaceType *QType = new (*this, TypeAlignment) 210054e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCInterfaceType(Canonical, const_cast<ObjCInterfaceDecl*>(Decl), 210154e14c4db764c0636160d26c5bbf491637c83a76John McCall Protocols, NumProtocols); 210224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 210324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 210454e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCInterfaceTypes.InsertNode(QType, InsertPos); 210524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 210624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 210724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 210872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 210972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 21109752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 21111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 21129752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 211372564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2114dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2115b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2116b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2117b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 21181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2119b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2120b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2121b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2122b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2123b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2124b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 21256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2126b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2127b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2128b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2129b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 21306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 21316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2132b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2133b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2134b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2135b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2136dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 21376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2138dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 21399752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 21409752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2141d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2142d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 21439752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 21449752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 21459752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 21461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 21479752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2148d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2149f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 21506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 21519752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 21529752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2153d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2154d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 215560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 215660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 215760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2158a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2159a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 21601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 216160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 216260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 216360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 216460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 216560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 216660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 216760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 216860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 216960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 217060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 217160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 217260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 217360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 217460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 217560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 21761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 217760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 21781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 218060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 218160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 218260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 21831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 218460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 218560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 218660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2187395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2188395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2189395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 21901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2191395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2192395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2193dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 21949d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 21959d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 21969d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 21971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21989d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 21999d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 22009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 22019d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 22029d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 22039d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 22046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 22059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 22069d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22079d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 22089d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 22096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 22109d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 22119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 22129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22139d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2214dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 22156b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2216dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2217395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2218395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2219395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2220395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 22215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 22225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2223e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2224d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2225e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2226e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2227e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 22285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 22311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 22321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 22335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getSizeType() const { 2234b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 22355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 223764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 223864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 223964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 224064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 224164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 224264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 224364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 224464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 224564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 224664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 224764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 224864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 224964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 225064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 22518b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 22528b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 22538b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2254b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 22558b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 22568b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2257e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2258e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2259e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2260e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 226154e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 226254e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 226354e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 226454e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 226554e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 226654e14c4db764c0636160d26c5bbf491637c83a76John McCall 226754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 226854e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 226954e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 227054e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 227154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 227254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 227354e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 227454e14c4db764c0636160d26c5bbf491637c83a76John McCall } 227554e14c4db764c0636160d26c5bbf491637c83a76John McCall 227654e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 227754e14c4db764c0636160d26c5bbf491637c83a76John McCall} 227854e14c4db764c0636160d26c5bbf491637c83a76John McCall 227977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 228077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 228177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 228277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 228377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 228477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 228550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 22860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 22870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 22880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 22890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 22900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 22910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 22921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 22940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 229550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2296c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 22970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 22980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 22990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2300c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2301c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 23020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 23031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2304c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2305c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 23060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2307c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 23081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2309c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 231050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 231150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 231250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 23130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2314c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 231550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 231650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 23170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 23181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2319898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 232050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 232150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2322bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2323bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 232450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 23250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 232687a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2327898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2328c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 232950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2330bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2331bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 233250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 23330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 233450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2335c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2336c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 233725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 233825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // If this template name refers to a template, the canonical 233925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // template name merely stores the template itself. 234025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) 234197fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 234225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 23431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If this template name refers to a set of overloaded function templates, 2344d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor /// the canonical template name merely stores the set of function templates. 23456ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor if (OverloadedFunctionDecl *Ovl = Name.getAsOverloadedFunctionDecl()) { 23466ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor OverloadedFunctionDecl *CanonOvl = 0; 23476ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor for (OverloadedFunctionDecl::function_iterator F = Ovl->function_begin(), 23486ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor FEnd = Ovl->function_end(); 23496ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor F != FEnd; ++F) { 23506ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor Decl *Canon = F->get()->getCanonicalDecl(); 23516ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor if (CanonOvl || Canon != F->get()) { 23526ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor if (!CanonOvl) 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CanonOvl = OverloadedFunctionDecl::Create(*this, 23541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Ovl->getDeclContext(), 23556ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor Ovl->getDeclName()); 23561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23576ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor CanonOvl->addOverload( 23586ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor AnyFunctionDecl::getFromNamedDecl(cast<NamedDecl>(Canon))); 23596ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor } 23606ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor } 23611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23626ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor return TemplateName(CanonOvl? CanonOvl : Ovl); 23636ebd15e81a4d44ac51c24bffe2705586d5edffeeDouglas Gregor } 23641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 236625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 236725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 236825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 236925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2370db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2371db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2372db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2373db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2374db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2375db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 23761eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 23771275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 23781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 23791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 23801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 23811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 23831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 23841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2386833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 23871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2388788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2389788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2390788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 23911275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2392833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 23931275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 23941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23951275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2396833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 23971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23981275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 23991275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 24001275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 24011275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 24021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 24031275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 24041275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 24051275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 24061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 24081275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 24091275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 24101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24111275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 24131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 24141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 24151275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 24161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 24171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2418d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2419d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 24201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2421d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2422d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2423d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2424d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2425d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 24261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2427d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2428d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2429d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2430d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2431d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2432d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2433d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2434d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2435d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2436d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2437d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 24381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 24391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2440d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2441d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2442d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2443d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2444d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2445d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2446d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2447d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2448d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2449d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2450d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2451d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2452c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2453c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2454c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2455a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2456c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2457c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2458c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2459c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 24601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2462c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 24630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2464c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 24651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2467c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2468c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 24691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2470c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2471c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 247250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 24730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 24740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 24750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 24761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2477c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2478c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 24790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2480c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 24811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2482c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2483c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2484c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2485c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 24860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 24871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2488c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2489c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2490c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 24910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2492c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2493c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2494c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 24950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2496898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 24971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2498898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2499898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 25001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2501bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2502bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2503898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 25040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 25057e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 25061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2507c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 25087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2509bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 25100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2511c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 25120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 25137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 251477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 251577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 251677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2517e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2518e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2519e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2520e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2521e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2522e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2523e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2524c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2525c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2526c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2527c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2528c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2529c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 25301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2531c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2532e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2533e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 25340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2535e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2536e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 25375e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 25380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 25395e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor while (true) { 25400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *UT = Qs.strip(QT); 25415e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor if (const ArrayType *AT = getAsArrayType(QualType(UT,0))) { 25425e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QT = AT->getElementType(); 25436dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump } else { 25440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs.apply(QT); 25455e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor } 25465e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor } 25475e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 25485e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2549fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2550fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2552fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2553fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 25541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25556183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 25566183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 25576183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 25580de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 25591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 25600de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 25610de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 25620de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 25630de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 25640de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 25650de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 25660de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 25670de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 25680de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 25695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 25705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2571a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2572183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 25735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2574a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2575183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2576183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2577a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 25785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 25795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 25805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 25815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 25825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 25835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 25851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2586716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2587716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 25881361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 25891361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 25901361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 25911361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 25921361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2593716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2594f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2595f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2596f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2597f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2598f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 25991361b11066239ea15764a2a844405352d87296b3Chris Lattner 26001361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 26011361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 26021361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 26031361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 26041361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 26051361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 26065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 26107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 26117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 26121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2613a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2614a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2615a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 26161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2617a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2618fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2619a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2620fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2621fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 26225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2624f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2625f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2626f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2627f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2628467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2629f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2630f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman T = ET->getDecl()->getIntegerType().getTypePtr(); 2631f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2632a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2633a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2634a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2635f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2636f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2637f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2638f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2639f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2640f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2641f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // There are two things which impact the integer rank: the width, and 2642f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // the ordering of builtins. The builtin ordering is encoded in the 2643f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // bottom three bits; the width is encoded in the bits above that. 26441b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner if (FixedWidthIntType* FWIT = dyn_cast<FixedWidthIntType>(T)) 2645f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return FWIT->getWidth() << 3; 2646f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2647f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 26487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 26497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2650f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 26517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 26527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 26537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 26547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2655f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 26567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 26577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2658f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 26597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 26607cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2661f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 26627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 26637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2664f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 26657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 26667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2667f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 26682df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 26692df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 26702df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2671f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2672f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2673f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 267404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 267504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 267604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 267704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 267804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 267904e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 268004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 268104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 268204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 268304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 268404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 268504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 268604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 268704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 268804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 268904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 269004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 269104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 269204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 269304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 269404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 269504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 269604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 269704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 269804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 269904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 270004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 270104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 270204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 270304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 270404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2705a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2706a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2707a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2708a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2709a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2710a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2711a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2712a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2713a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2714a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2715a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2716a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2717a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2718a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 27191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 27207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 27211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 27227cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2723f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2724f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 27257cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 27261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2727f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2728f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 27291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 27317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 27321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 27347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 27357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 27367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27387cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 27397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 27407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 27417cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 27427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 27507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 27517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 27527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 275971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 276079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 276179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 276279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 276379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 276479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 276579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 276679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 276779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 276879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 27691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 277071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 277171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 27721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 277379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 277479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 277579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 2776f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 27771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 27790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 2780f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2781f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 278271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 27830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 278471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 27851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 27861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 278744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 278844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 279044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2791a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis FieldTypes[i], /*DInfo=*/0, 27921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 27934afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 279417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 279544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 279644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 279744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor CFConstantStringTypeDecl->completeDefinition(*this); 279871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 27991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 280071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 28018467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 2802b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2803319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 28046217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 2805319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 2806319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 2807319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2808319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 28091eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 2810bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 281144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 281279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 281379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 28141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2815bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 2816bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 2817de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 2818bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 2819bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 2820bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 2821bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 28221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 282344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 28241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 28251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 28261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2827a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis FieldTypes[i], /*DInfo=*/0, 28281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 28294afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 283017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 283144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 28321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 283344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(*this); 2834bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 28351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2836bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 2837bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 2838bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2839adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 2840adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 2841adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2842adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2843adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 2844adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 284579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson T = CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 284679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 2847adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2848adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 2849adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2850adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2851adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2852adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2853adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 2854adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 2855083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 2856adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2857adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2858adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 2859adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2860adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 2861adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 2862adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 2863adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldTypes[i], /*DInfo=*/0, 2864adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 2865adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 2866adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 2867adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 2868adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2869adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->completeDefinition(*this); 2870adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2871adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 2872adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2873adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2874adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2875adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2876adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 2877adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2878adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2879adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 2880adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2881adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2882083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 2883083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 2884083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2885083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2886083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 2887083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 288879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson T = CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 288979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 2890083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2891083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 2892083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2893083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2894083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 2895083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 2896083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2897083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2898083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 2899083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 2900083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 2901083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 2902083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 2903083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2904083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2905083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 2906083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2907083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 2908083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 2909083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 2910083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldTypes[i], /*DInfo=*/0, 2911083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 2912083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 2913083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 2914083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 2915083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2916083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->completeDefinition(*this); 2917083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2918083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 2919083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2920083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2921083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 2922083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2923083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 2924083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2925083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2926083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 2927083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 2928083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2929af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 2930af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 2931af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 2932af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 2933af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 2934af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 2935af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 2936af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 2937af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 2938af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 2939af7b44d847d3e44c43346d508b2e55a6254b6e9dMike StumpQualType ASTContext::BuildByRefType(const char *DeclName, QualType Ty) { 2940af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 2941ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 2942af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 2943ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 2944ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 294538e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__copy_helper; // as needed 294638e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__destroy_help // as needed 2947af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 2948ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 2949ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 2950af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 2951af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 2952af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 29534d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockByRefTypeID = 0; 2954f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 2955f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 2956f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 2957af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 295879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson T = CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 295979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 2960af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 2961af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 2962af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 2963af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 2964af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 2965af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 2966af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 2967af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 2968af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 2969af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 2970af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 2971af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 2972af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 2973af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump const char *FieldNames[] = { 2974af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 2975af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 2976af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 2977af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 2978af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 2979af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 2980af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 2981af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 2982af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 2983af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 2984af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 2985af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 2986af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 2987af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 2988af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldTypes[i], /*DInfo=*/0, 2989af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 2990af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 2991af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 2992af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 2993af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->completeDefinition(*this); 2994af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 2995af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 2996ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 2997ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 2998ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 2999ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3000083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3001ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump llvm::SmallVector<const Expr *, 8> &BlockDeclRefDecls) { 3002adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 30034d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockParmTypeID = 0; 3004f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3005f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3006f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3007adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 300879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson T = CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 300979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3010adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3011adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3012adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3013adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3014adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3015083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3016083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3017083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3018adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3019adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3020adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3021adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3022adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3023adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3024adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3025adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3026adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3027adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3028adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3029ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3030adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3031adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldTypes[i], /*DInfo=*/0, 3032ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 3033ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3034ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3035ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3036ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump for (size_t i = 0; i < BlockDeclRefDecls.size(); ++i) { 3037ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const Expr *E = BlockDeclRefDecls[i]; 3038ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E); 3039ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump clang::IdentifierInfo *Name = 0; 3040ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump if (BDRE) { 3041ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3042ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump Name = &Idents.get(D->getName()); 3043ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3044ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump QualType FieldType = E->getType(); 3045ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3046ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump if (BDRE && BDRE->isByRef()) 3047af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldType = BuildByRefType(BDRE->getDecl()->getNameAsCString(), 3048af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldType); 3049ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3050ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3051ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump Name, FieldType, /*DInfo=*/0, 3052ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 3053adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3054adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3055adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3056adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->completeDefinition(*this); 3057ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3058ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3059adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3060adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3061319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 30626217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3063319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3064319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3065319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3066319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3067e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3068e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 30692d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3070e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3071bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3072bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 30731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 307485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 307585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 307685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3077a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 307833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3079a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekint ASTContext::getObjCEncodingTypeSize(QualType type) { 308098be4943e8dc4f3905629a7102668960873cf863Chris Lattner uint64_t sz = getTypeSize(type); 30811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 308233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 308333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian if (sz > 0 && type->isIntegralType()) 308498be4943e8dc4f3905629a7102668960873cf863Chris Lattner sz = std::max(sz, getTypeSize(IntTy)); 308533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 308633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 308798be4943e8dc4f3905629a7102668960873cf863Chris Lattner sz = getTypeSize(VoidPtrTy); 308898be4943e8dc4f3905629a7102668960873cf863Chris Lattner return sz / getTypeSize(CharTy); 308933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 309033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 30915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// getObjCEncodingForBlockDecl - Return the encoded type for this method 30925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 30935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 30945e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 30955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 30965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 30975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 30985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 30995e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(cast<FunctionType>(BlockTy)->getResultType(), S); 31005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 31015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 31025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 31035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 31045e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall int PtrSize = getTypeSize(VoidPtrTy) / getTypeSize(CharTy); 31055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall int ParmOffset = PtrSize; 31065e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 31075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 31085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 31095e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall int sz = getObjCEncodingTypeSize(PType); 31105e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall assert (sz > 0 && "BlockExpr - Incomplete param type"); 31115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 31125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 31135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 31145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += llvm::utostr(ParmOffset); 31155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 31165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 31175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 31185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 31195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 31205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 31215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 31225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 31235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 31245e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 31255e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 31265e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 31275e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 31285e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 31295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 31305e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 31315e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 31325e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 31335e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 31345e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += llvm::utostr(ParmOffset); 31355e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 31365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 31375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 31385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3139a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 314033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 31411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3142e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3143c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3144ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3145a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 314633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 31470d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 314833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 314933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 315033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 315133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 315298be4943e8dc4f3905629a7102668960873cf863Chris Lattner int PtrSize = getTypeSize(VoidPtrTy) / getTypeSize(CharTy); 315333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 315433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 315533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian int ParmOffset = 2 * PtrSize; 315689951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 315789951a86b594513c2a013532ed45d197413b1087Chris Lattner E = Decl->param_end(); PI != E; ++PI) { 315889951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 315989951a86b594513c2a013532ed45d197413b1087Chris Lattner int sz = getObjCEncodingTypeSize(PType); 3160a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert (sz > 0 && "getObjCEncodingForMethodDecl - Incomplete param type"); 316133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 316233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 316333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += llvm::utostr(ParmOffset); 316433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 316533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += llvm::utostr(PtrSize); 31661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 316733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 316833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 316989951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 317089951a86b594513c2a013532ed45d197413b1087Chris Lattner E = Decl->param_end(); PI != E; ++PI) { 317189951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 31721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 31734306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3174ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3175ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3176ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3177bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3178ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3179ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3180ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3181ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 318233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 31834306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 31840d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 318533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += llvm::utostr(ParmOffset); 3186a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ParmOffset += getObjCEncodingTypeSize(PType); 318733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 318833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 318933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3190c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 319183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3192c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3193c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 31941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 31951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 31961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 31971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 31981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 319983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 320083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 320183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 320283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 320383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 320483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 320583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 320683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 320783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 320883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 320983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 321083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 321183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 321283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 321383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 321483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 32151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3216c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3217e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3218c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3219c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3220c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3221c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3222c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3223c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 32241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3225c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3226c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 322717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3228653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3229c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3230c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3231c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3232c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3233c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3234c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3235c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3236c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3237c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3238c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 323961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3240c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 324117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3242653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3243c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3244c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3245c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3246c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3247c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3248c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3249c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3250c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 32511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3252c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3253c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3254c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3255c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3256c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3257c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3258c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3259090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3260090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 32611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3262090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3263090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3264c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3265c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3266c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3267c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3268c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3269c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3270c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 32711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3272c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3273c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3274c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3275c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3276c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3277c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3278c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3279c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3280090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3281090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 32821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3283c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3284c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3285077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3286c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3287c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3288c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3289c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3290077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3291c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3292c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3293c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3294c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3295c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 329639f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3297c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3298c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3299c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3300c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3301c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3302a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 33031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 33041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3305a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3306a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3307a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 33088e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3309183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3310c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3311c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3312a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 33131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3314c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3315c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3316a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3317a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3318a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3319a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3320a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 33217d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3322153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 332382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 332482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 332582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 332682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 33271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 33285b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 332982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 333082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 33311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 3332153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD) { 33338b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 33348b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 33358b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 33369a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 33378b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 33388b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 33398b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 33408b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 334101eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 334282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 334382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 334482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3345153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3346090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 33476ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 3348183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = T->getAs<BuiltinType>()) { 3349ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 3350ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return EncodeBitField(this, S, FD); 3351ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner char encoding; 3352ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner switch (BT->getKind()) { 33531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: assert(0 && "Unhandled builtin type kind"); 3354ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Void: encoding = 'v'; break; 3355ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Bool: encoding = 'B'; break; 3356ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_U: 3357ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UChar: encoding = 'C'; break; 3358ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UShort: encoding = 'S'; break; 3359ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt: encoding = 'I'; break; 33601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::ULong: 33611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 33621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q'; 336372696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian break; 3364ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt128: encoding = 'T'; break; 3365ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::ULongLong: encoding = 'Q'; break; 3366ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_S: 3367ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::SChar: encoding = 'c'; break; 3368ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Short: encoding = 's'; break; 3369ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int: encoding = 'i'; break; 33701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::Long: 33711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 33721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q'; 3373ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner break; 3374ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongLong: encoding = 'q'; break; 3375ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int128: encoding = 't'; break; 3376ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Float: encoding = 'f'; break; 3377ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Double: encoding = 'd'; break; 3378ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongDouble: encoding = 'd'; break; 337943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 33801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3381ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += encoding; 3382ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3383ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 33841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3385183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3386c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 33871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3388c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3389ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3390ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 33911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33926217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 339385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson QualType PointeeTy = PT->getPointeeType(); 3394a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3395a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3396a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3397a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 33981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 33998e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3400a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3401a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3402a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3403a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 34049fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3405a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 34066217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 34076217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3408a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3409a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3410a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3411a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3412a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3413a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3414a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3415a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3416a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 3417a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian const char * s = S.c_str(); 3418a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian int len = S.length(); 3419a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (len >= 2 && s[len-2] == 'n' && s[len-1] == 'r') { 3420a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian std::string replace = "rn"; 3421a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S.replace(S.end()-2, S.end(), replace); 3422a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3423a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 342414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (isObjCSelType(PointeeTy)) { 34258baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson S += ':'; 34268baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson return; 3427c2939bc82ce177c0413feb0cd9ce70aefd6235fbFariborz Jahanian } 34281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 343085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 343185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3432e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 343385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 343485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 343585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 34366217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 34379533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 34389533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 34399533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 34409533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 34419533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 34429533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 34439533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 34449533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 34459533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 34469533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 34479533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 344885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 344985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3450a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3451a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 34521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 345343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3454ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3455ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 34561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3457ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3458ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3459ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3460559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3461559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3462559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3463559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 34641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3465559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3466559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3467559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 34681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3469559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3470559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3471559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3472559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3473559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3474559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3475559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 34761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3478559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3479559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3480559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3481ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3482ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 34831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3484183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3485c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3486ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3487ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 34881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34896217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 349082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3491d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3492502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3493502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3494502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 3495502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3496502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3497502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 34980d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 34997d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 350017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 350117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 350244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 350343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3504d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 350544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3506d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3507d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 35081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3509d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 351043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 35111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 351243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3513d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3514a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3515a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 35161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 351743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3518d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 35197d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 35206de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3521d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3522ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3523ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3525ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 35268b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 35278b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian EncodeBitField(this, S, FD); 35288b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 35298b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3530ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3531ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3533ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 353421a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3535ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3536ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 353943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 35400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 354143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 354243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 354343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 354443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 3545f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 354643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 3547f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 354843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 35491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 355043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 355143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 35521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 355343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 355443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 355543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3556ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 355743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 35581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3559183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 356014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 356114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 356214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3563ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 356527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 356627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 356727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 356827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 356914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 357014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3571ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3573ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 35741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 357514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 357614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 357714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 357814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 357914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 358014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 358167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 358267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 358314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 358414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 358514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 358614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 358714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 358814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 358914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3590ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3592ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3593ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3594ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3595ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 35961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3597ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3598ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 35991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 36001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3601ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 360214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 360314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3604ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3605ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 360627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3607ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 360827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 360967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 361067ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3611ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3612ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3613ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 36141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3615ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3616ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3617ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3618ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3620ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 362185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 362285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 36231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3624ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3625ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3626ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3627ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3628ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3629ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3630ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3631ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3632ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3633ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3634ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3635ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3636ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3637ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3638ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3639ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3640b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 36411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3642b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3643b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3644b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3645ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3646de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 36477e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 36487e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3649ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 365013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3651b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3652b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3653ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3654a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3655390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3656390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3657ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3658de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 36598baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 36608baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3661a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 36621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 36632198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 36641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3665a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 36662198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 36672198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 36687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a qualified 36697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c std::vector. 36701eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 36717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor bool TemplateKeyword, 36727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateDecl *Template) { 36737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 36747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 36757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 36767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 36777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateName *QTN = 36787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 36797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (!QTN) { 36807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 36817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 36827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 36837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 36847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 36857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 36867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3687d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 3688d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 36891eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 3690d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 3691d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor OverloadedFunctionDecl *Template) { 3692d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 3693d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 36941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3695d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 3696d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 3697d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3698d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 3699d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 3700d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 3701d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 37021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3703d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 3704d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 3705d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 37067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 37077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 37081eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 37097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 37101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 37113b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 37127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 37147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 37157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 37177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 37187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 37197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 37217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 37227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 37247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 37257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 37267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 37277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 37287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 37297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 37307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 37327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 37337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 37347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3735ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 3736ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 3737ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 3738ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 3739ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 3740ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 3741ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 3742ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3743ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 3744ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 3745ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3746ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 3747ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName *QTN = 3748ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3749ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3750ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 3751ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3752ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3753ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 3754ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 3755ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 3756ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 3757ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 3758ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 3759ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 3760ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3761ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 3762ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3763ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 3764ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3765b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 3766d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 3767d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 3768e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 3769b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 3770e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 3771b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 3772b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 3773b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 3774b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 3775b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 3776b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 3777b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 3778b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 3779b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 3780b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 3781b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 3782e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 3783b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 3784b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3785b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3786b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 3787b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3788b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3789fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 3790fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 3791fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 3792f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 3793fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 3794fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 3795fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 3796fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 379740b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 3798fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 3799fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 38001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 3801fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 3802fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 38034fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 38044fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 38054fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 38060953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 38070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 38084fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 38094fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 3810b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 38114fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 38121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 3813a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 38140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 381575212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 38160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 3817a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 38186217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 3819a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 3820c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 3821c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 3822f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 38230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 38244fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 3825b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 38264fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 38274fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 38286ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 38296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 38306ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 3831770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 38321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 38336ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 38346ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 38356ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 3836467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 38376ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 383861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 38396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 38406ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 38414084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 38424084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 38434084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 38444084c306635b70f37029dca938444e6013f08684Steve Naroff 38454084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 38464084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 38470fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 38480fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 38494084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 385014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 38514084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 38524084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 38534084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 38544084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 38554084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 38564084c306635b70f37029dca938444e6013f08684Steve Naroff} 385714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 38584084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 38594084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 38604084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 38614084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 38624084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 38634084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 38644084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 38654084c306635b70f37029dca938444e6013f08684Steve Naroff} 38664084c306635b70f37029dca938444e6013f08684Steve Naroff 38674084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 38684084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 38694084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 38704084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 38714084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 38721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 38734084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 38744084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 38751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 38764084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 38774084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 38784084c306635b70f37029dca938444e6013f08684Steve Naroff 38794084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 3880183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 38811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38824084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 38831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38844084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 38851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 38864084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 38874084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 38884084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 38894084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 38904084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 38914084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 38924084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 38930fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 38944084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 38954084c306635b70f37029dca938444e6013f08684Steve Naroff } 38964084c306635b70f37029dca938444e6013f08684Steve Naroff } 38974084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 38984084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 38994084c306635b70f37029dca938444e6013f08684Steve Naroff } 39001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 39014084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 39024084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 39034084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 39044084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 3905de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 3906de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 3907de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 3908de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 39094084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 39104084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 39114084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 39124084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 39134084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 39144084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 39158f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 39168f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 3917de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 39181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 39194084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 39204084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 39214084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 39224084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 39234084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 39244084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 39254084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 39260fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 39274084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 39284084c306635b70f37029dca938444e6013f08684Steve Naroff break; 39294084c306635b70f37029dca938444e6013f08684Steve Naroff } 39304084c306635b70f37029dca938444e6013f08684Steve Naroff } 39314084c306635b70f37029dca938444e6013f08684Steve Naroff } 39324084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 3933de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 3934de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 39351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3936de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 3937de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 39381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39394084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 39404084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 39414084c306635b70f37029dca938444e6013f08684Steve Naroff 39421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 39434084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 39444084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 39454084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 39464084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 39474084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 39484084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 39494084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 39504084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 39514084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 39520fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 39534084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 39544084c306635b70f37029dca938444e6013f08684Steve Naroff break; 39554084c306635b70f37029dca938444e6013f08684Steve Naroff } 39564084c306635b70f37029dca938444e6013f08684Steve Naroff } 39574084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 39584084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39594084c306635b70f37029dca938444e6013f08684Steve Naroff } 39604084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39614084c306635b70f37029dca938444e6013f08684Steve Naroff } 39621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 39634084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 39644084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 39654084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 39664084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 39674084c306635b70f37029dca938444e6013f08684Steve Naroff 39684084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 39694084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 39704084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 39714084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 39724084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 39734084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 39744084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 39754084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 39764084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 39774084c306635b70f37029dca938444e6013f08684Steve Naroff break; 39784084c306635b70f37029dca938444e6013f08684Steve Naroff } 39794084c306635b70f37029dca938444e6013f08684Steve Naroff } 39804084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 39814084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39824084c306635b70f37029dca938444e6013f08684Steve Naroff } 39834084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39844084c306635b70f37029dca938444e6013f08684Steve Naroff } 39854084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39864084c306635b70f37029dca938444e6013f08684Steve Naroff} 39874084c306635b70f37029dca938444e6013f08684Steve Naroff 39884084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 39894084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 39904084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 39914084c306635b70f37029dca938444e6013f08684Steve Naroff/// 39924084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 39934084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 39944084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 39954084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHSOPT->isObjCBuiltinType() || RHSOPT->isObjCBuiltinType()) 39964084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39974084c306635b70f37029dca938444e6013f08684Steve Naroff 39984084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 39991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 40001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 40014084c306635b70f37029dca938444e6013f08684Steve Naroff false); 40024084c306635b70f37029dca938444e6013f08684Steve Naroff 40034084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 40044084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 40054084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHS && RHS) // We have 2 user-defined types. 40064084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 40071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40084084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 400914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 401014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4011e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4012e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4013e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4014e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4015e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4016e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4017e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4018e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4019e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4020e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4021e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4022e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4023e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4024e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4025e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4026e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4027e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4028e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4029e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVector<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4030e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian Context.CollectInheritedProtocols(LHS->getDecl(), LHSInheritedProtocols); 4031e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4032e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4033e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4034e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4035e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4036e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4037e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl **RHSProtocols = (ObjCProtocolDecl **)RHS->qual_begin(); 4038e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4039e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4040e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4041e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4042e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4043e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVector<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4044e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian Context.CollectInheritedProtocols(RHS->getDecl(), RHSInheritedProtocols); 4045e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // FIXME. This may cause duplication of protocols in the list, but should 4046e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // be harmless. 4047e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0, len = RHSInheritedProtocols.size(); i < len; ++i) 4048e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSInheritedProtocols[i])) 4049e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSInheritedProtocols[i]); 4050e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4051e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4052e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4053db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4054db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4055db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4056db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4057db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4058db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4059db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4060db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4061db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4062db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian if (!LHS || !RHS) 4063db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4064db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4065db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian while (const ObjCInterfaceDecl *LHSIDecl = LHS->getDecl()->getSuperClass()) { 4066db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian QualType LHSTy = getObjCInterfaceType(LHSIDecl); 4067db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian LHS = LHSTy->getAs<ObjCInterfaceType>(); 4068e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4069e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVector<ObjCProtocolDecl *, 8> IntersectionOfProtocols; 4070e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian getIntersectionOfProtocols(*this, 4071e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSOPT, RHSOPT, IntersectionOfProtocols); 4072e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (IntersectionOfProtocols.empty()) 4073e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSTy = getObjCObjectPointerType(LHSTy); 4074e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else 4075e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSTy = getObjCObjectPointerType(LHSTy, &IntersectionOfProtocols[0], 4076e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.size()); 4077e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian return LHSTy; 4078e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4079db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4080db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4081db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4082db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4083db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 40843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 40853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS) { 40866ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 40876ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 40886ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner if (!LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 40896ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 40901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40916ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 40926ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4093c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 40946ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 40951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40966ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 40976ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4098c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 40996ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 41001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4101c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff for (ObjCInterfaceType::qual_iterator LHSPI = LHS->qual_begin(), 4102c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff LHSPE = LHS->qual_end(); 410391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 410491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 410591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 410691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 410791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4108c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff for (ObjCInterfaceType::qual_iterator RHSPI = RHS->qual_begin(), 41094084c306635b70f37029dca938444e6013f08684Steve Naroff RHSPE = RHS->qual_end(); 41108f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 41118f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 411291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 41138f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 41148f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 411591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 411691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 411791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 411891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 411991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 412091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 412191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 41226ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 41236ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4124389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4125389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4126183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4127183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 41281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 412914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4130389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 413114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 413214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 413314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4134389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4135389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 41361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4137ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 41381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4139ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 41403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 41413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 41423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 41433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 41443d815e7eb56c25d7ed812eced32e41df43039f9aEli FriedmanQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs) { 4145183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4146183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 414772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 414872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 41493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 41503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 41513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 41523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 41533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 41543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 415561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 415661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 415761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 415861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 41596dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump // FIXME: double check this 41602455636163fdd18581d7fdae816433f886d88213Mike Stump bool NoReturn = lbase->getNoReturnAttr() || rbase->getNoReturnAttr(); 41612455636163fdd18581d7fdae816433f886d88213Mike Stump if (NoReturn != lbase->getNoReturnAttr()) 41622455636163fdd18581d7fdae816433f886d88213Mike Stump allLTypes = false; 41632455636163fdd18581d7fdae816433f886d88213Mike Stump if (NoReturn != rbase->getNoReturnAttr()) 41642455636163fdd18581d7fdae816433f886d88213Mike Stump allRTypes = false; 41651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4167465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4168465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 41693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 41703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 41713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 41723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 41733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 41743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 41753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 41763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 41773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 41783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 41793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 41807fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 41817fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 41827fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 41833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 41843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 41853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 41863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 41873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 41883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argtype = mergeTypes(largtype, rargtype); 41893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 41903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 419161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 419261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 419361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 419461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 41953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 41963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 41973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 41983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 41992455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 42002455636163fdd18581d7fdae816433f886d88213Mike Stump NoReturn); 42013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 42023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 42033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 42043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 42053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 420672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 42073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4208465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 42093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 42103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 42113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 42123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 42133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 42143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 42153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 42163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 42173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 42183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 42193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 42203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 42213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 42223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 42233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 42243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 42253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 42262d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 42272d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getTypeQuals(), NoReturn); 42283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 42293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 42303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 42313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 42322455636163fdd18581d7fdae816433f886d88213Mike Stump return getFunctionNoProtoType(retType, NoReturn); 42333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 42343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 42353d815e7eb56c25d7ed812eced32e41df43039f9aEli FriedmanQualType ASTContext::mergeTypes(QualType LHS, QualType RHS) { 423643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 423743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 423843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 42397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 42407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 42413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: C++ shouldn't be going through here! The rules are different 42423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // enough that they should be handled separately. 42437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // FIXME: Merging of lvalue and rvalue references is incorrect. C++ *really* 42447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // shouldn't be going through here! 42456217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RT = LHS->getAs<ReferenceType>()) 4246c4e405996217f4be20f73186da53b23b5c4783dcChris Lattner LHS = RT->getPointeeType(); 42476217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RT = RHS->getAs<ReferenceType>()) 4248c4e405996217f4be20f73186da53b23b5c4783dcChris Lattner RHS = RT->getPointeeType(); 42493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 42503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 42513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 42523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4253f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 42543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 42553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 42563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 42570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4258a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4259a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 42600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 42610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 42620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 42630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 42640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 42650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 42660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 42670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 42680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 42690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 42700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 42710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 42720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 42730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 42740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 42750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 42760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 42770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 42780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 42790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 42800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 42810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 42820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 42830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 42840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 42853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 42860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 42870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 42880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 42893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4290852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4291852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4292f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 42931adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 42941adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 42951adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 42961adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 42974c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 42984c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4299a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4300a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4301a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4302a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 43031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4304213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4305213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4306213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 43071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43084e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 43094e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 43101adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 43111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4312183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 43133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 43143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4315bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4316183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 43173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 43183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4319bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 43201adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 43213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4322ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 43233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43244a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 43251adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 432672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 432772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 432872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 432972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 433072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 433172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 433272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 433372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 43347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 43357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 433672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 433772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 433872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 433972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 434072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 434172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 434272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 434372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 434472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 434572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 434672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 43471adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 43483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 43493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 43506217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 43516217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 43523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 43533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 435407d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 435561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 435607d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 435761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 43583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 43593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4360c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4361c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4362c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 43636217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 43646217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4365c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 4366c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4367c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4368c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4369c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4370c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4371c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4372c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 43731adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 43743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 43753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 43763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 43773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 43783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 43813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 43823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 43833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 438461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 438561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 438661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 438761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 43883bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 43893bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 43903bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 43913bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 43923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 43933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 439461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 439561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 439661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 439761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 43983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 43993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 44003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 44013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 44023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 44033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 44053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 44063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 44073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 44083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 44093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44103bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 44113bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 44127e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 44137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 44143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44151adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 44163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return mergeFunctionTypes(LHS, RHS); 441772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 441872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 44193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44201adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 44213cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 44223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 442364cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 442464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 442564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 44263cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 44275a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 4428183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (areCompatVectorTypes(LHS->getAs<VectorType>(), RHS->getAs<VectorType>())) 44293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 443061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 443161490e9a965cfee8a78c12c6802138844f04250dCedric Venet case Type::ObjCInterface: { 44325fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff // Check if the interfaces are assignment compatible. 44335a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 44345a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4435183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCInterfaceType* LHSIface = LHS->getAs<ObjCInterfaceType>(); 4436183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCInterfaceType* RHSIface = RHS->getAs<ObjCInterfaceType>(); 44375fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff if (LHSIface && RHSIface && 44385fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff canAssignObjCInterfaces(LHSIface, RHSIface)) 44395fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 44405fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 44413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 444261490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 444314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4444183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4445183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 444614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 444714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4448bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 444914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 44505a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman case Type::FixedWidthInt: 44515a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // Distinct fixed-width integers are not compatible. 44525a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman return QualType(); 44537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor case Type::TemplateSpecialization: 44547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor assert(false && "Dependent types have no size"); 44557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 4456ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 445772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 445872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4459ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 44607192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 44615426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 4462ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 4463ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 446488054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 4465ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 4466632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 4467ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 44686a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (FixedWidthIntType *FWIT = dyn_cast<FixedWidthIntType>(T)) { 4469f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return FWIT->getWidth(); 4470f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman } 4471f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 4472ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 4473ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4474ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 4475ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 4476ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 44776a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 44786a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 44796a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 44806a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 44816a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner VTy->getNumElements()); 44826a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 44836a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 44846a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 4485ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 44866a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 44876a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 44886a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 4489ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 4490ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 4491ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 4492ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 4493ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 4494ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 4495ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 4496ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 4497ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 4498ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 4499ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 4500ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 45012df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 45022df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 4503ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 4504ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 4505ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 4506ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 4507ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4508ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 45092cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 45102cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 45112cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 451286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 451386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 451486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 451586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 451686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 451786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 451886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 451986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 45201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 452186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 452286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 452386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 452486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 452586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 45261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 452786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 452886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 452986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 453086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 45311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 453286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 453386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 453486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 453586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 453686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 453786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 453886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 453986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 454086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 454186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 454286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 454386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 454486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 454586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 454686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 454786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 454886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 454986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 45501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 455186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 455286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 455386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 455486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 455586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 455686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 455786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 455886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 455986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 456086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 456186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 456286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 456386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 456486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 456586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 456686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 456786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 456886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 456986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 457086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 457186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 457286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 457386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 457486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 457586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 457686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 457786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 457886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 457986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 458086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 458186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 458286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 458386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 458486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 458586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 458686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 458786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 458886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 458986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 459086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 459186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 459286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 459386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 459486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 459586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 459686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 459786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 459886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 459986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 460086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 460186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 460286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 460386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 460486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 460586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 460686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 460786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 460886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 460986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 461086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 461186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 461286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 461386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 461486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 461586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 461686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 461786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 461886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 461986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 462086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 462186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 462286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 462386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 462486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 462586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 462686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 462786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 462886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 462986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 463086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 463186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 463286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 463386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 46341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 463586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 46361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 463786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 463886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getVectorType(ElementType, NumElements); 463986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 464086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4641d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 4642d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 4643d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 4644d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 4645d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 46469a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 4647c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 4648c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 4649f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 465086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 465186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4652fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 46539a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 4654f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 4655782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 4656f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 4657f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 4658f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 4659fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 4660f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 4661fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 4662fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 4663fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 4664782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 46651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 466686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 466786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 46681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 466986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 467086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 467186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 467286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 467386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 467486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getPointerType(Type); 467586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 467686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 467786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 467886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 467986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 468086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 46810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 468286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 468386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 468486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 46851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 468686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 468786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 468886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 468986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 469086df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 469186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 469286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 46931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 469486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 46951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 469686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 469786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 469886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 469986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 470086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 470186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 470286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 470386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 470486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 470586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 470686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 470786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 47081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 470986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 471086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 471186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 471286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 471386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 471486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 471586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 471686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 471786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 471886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 471986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner TypeStr[0] == '.', 0); 472086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 4721a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 4722a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 4723a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 4724a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 4725a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 4726a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 4727a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 4728a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 4729a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 4730a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 4731a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 4732a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 4733a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 4734a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 4735a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 4736a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 4737a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 4738a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 4739a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 4740a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 47411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4742a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 4743a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 4744a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 4745a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 47461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 47481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4749a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 4750a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 4751a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 47521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 4753a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 4754a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 4755a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 47561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 4757a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 4758a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 4759a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4760a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 47611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 47621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 47631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 47641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 4765a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 47661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 4767a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 47681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 4769a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 4770a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 47711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 4773a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 47741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 4775a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 47761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4777a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 4778a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 4779a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 4780a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 4781a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 4782a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 4783a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 4784a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 4785a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4786a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4787a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 4788a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4789a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 4790a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 4791a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 4792a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 4793a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 4794a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 4795a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4796a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 4797a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 4798a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 4799a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4800a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 4801a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 4802a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 4803a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 48041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 4805a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 4806a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 4807a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4808a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 4809a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 4810a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 4811a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 4812a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 4813a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 4814a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 4815a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4816a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 4817a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 4818a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 4819a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 4820a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 4821a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 48221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 4823a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 4824a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 4825a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 4826a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 4827a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 4828a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 4829a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 4830a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 4831a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 4832a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4833a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4834a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 4835a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 4836a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 4837a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman bool lhsSigned = lhs->isSignedIntegerType(), 4838a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsSigned = rhs->isSignedIntegerType(); 4839a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 4840a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 4841a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 4842a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 4843a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 4844a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 4845a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 4846a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 4847a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 4848a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 4849a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 4850a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 4851a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 4852a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 4853a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 4854a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 4855a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 4856a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 4857a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 4858a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4859a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 4860a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 4861