ASTContext.cpp revision a42286486c85402c65f9d30df17e6b1b037a6ade
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" 15bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck#include "clang/AST/CharUnits.h" 1649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis#include "clang/AST/DeclCXX.h" 17980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 18aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 212cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 2219cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 231b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 24a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 26f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 286fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 29f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 3029445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson#include "RecordLayoutBuilder.h" 3129445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3861710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 39444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 40e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 411b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool FreeMem, unsigned size_reserve) : 431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0), 44782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 45083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 46083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceMgr(SM), LangOpts(LOpts), 471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LoadedExternalComments(false), FreeMemory(FreeMem), Target(t), 482e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinInfo(builtins), ExternalSource(0), PrintingPolicy(LOpts) { 500f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 510f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 52369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian ObjCSelRedefinitionType = QualType(); 531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 54e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 5514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 56e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 57e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 593478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 603478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 613478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 683478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 69bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek if (FreeMemory) { 70bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Deallocate all the types. 71bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek while (!Types.empty()) { 72bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.back()->Destroy(*this); 73bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.pop_back(); 74bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 75b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman 76bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek for (llvm::FoldingSet<ExtQuals>::iterator 77bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek I = ExtQualNodes.begin(), E = ExtQualNodes.end(); I != E; ) { 78bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Deallocate(&*I++); 80bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 83bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 84bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 85bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 86bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second); 87bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek delete R; 88b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 89b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 90bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek for (llvm::DenseMap<const ObjCContainerDecl*, 91bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek const ASTRecordLayout*>::iterator 92bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) { 93bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 94bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second); 95bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek delete R; 96b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 97b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 98ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor // Destroy nested-name-specifiers. 991ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor for (llvm::FoldingSet<NestedNameSpecifier>::iterator 1001ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNS = NestedNameSpecifiers.begin(), 1011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNSEnd = NestedNameSpecifiers.end(); 102bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek NNS != NNSEnd; ) { 103bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 1041ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor (*NNS++).Destroy(*this); 105bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 106ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 107ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor if (GlobalNestedNameSpecifier) 108ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier->Destroy(*this); 109ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 110b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman TUDecl->Destroy(*this); 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 1142cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 1152cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 1162cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 1172cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 1217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 122dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 1231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 124dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 125dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 126dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 127dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 128c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 131dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 134dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 135dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 136dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 137dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 138dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 139dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 140dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 141dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 142dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 1431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 144dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 1452cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1462cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 1472cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 1482cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 1492cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 153e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 1546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 155e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 1566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 1611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 1641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 16815b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 1781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 1851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 19064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 1912df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 1922df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 1932df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 1942df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 1953a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 1963a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 1973a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 1983a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 19964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 200f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 201f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 202f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 203f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 204f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 205f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 206f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 207f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 208f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 209f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2108e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 211898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 212898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 213898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 214898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 215898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 216898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 217898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 218898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 2198e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 221e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 222e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 2231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 2288e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2297e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 2301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 231de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 232de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 233de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 23413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 2351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 237de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 238de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 23913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 24014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 241a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 2421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 24433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 2456e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 2466e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 2476e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 250251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 251663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 2527caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 253663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 2547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 2557caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 2567caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 2571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 2597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 262251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 263251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK) { 2647caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 2657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 2667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 2677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 268251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 269251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor = new (*this) MemberSpecializationInfo(Tmpl, TSK); 2707caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2717caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2727ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 273ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 2747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 275ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 276ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 2770d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2790d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 2800d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 2810d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 2820d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 283ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 284ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 285ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 286ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 287ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 288ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 289ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 290ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 291ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 292ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 293ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 294ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 295ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 296ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 297ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 298ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 299ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 300ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 301ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 302ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 303ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 304ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 305ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 306ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 3070d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 3080d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 309d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 310d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 311d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 312d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 313d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 315d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 316d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 317d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 318d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 319d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 320d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 321d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 322d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 323d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 3241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 325d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 326d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 327d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 3287d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorCXXMethodVector::iterator CXXMethodVector::begin() const { 3297d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if ((Storage & 0x01) == 0) 3307d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return reinterpret_cast<iterator>(&Storage); 3317d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3327d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor vector_type *Vec = reinterpret_cast<vector_type *>(Storage & ~0x01); 3337d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return &Vec->front(); 3347d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3357d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3367d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorCXXMethodVector::iterator CXXMethodVector::end() const { 3377d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if ((Storage & 0x01) == 0) { 3387d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Storage == 0) 3397d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return reinterpret_cast<iterator>(&Storage); 3407d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3417d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return reinterpret_cast<iterator>(&Storage) + 1; 3427d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor } 3437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3447d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor vector_type *Vec = reinterpret_cast<vector_type *>(Storage & ~0x01); 3457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return &Vec->front() + Vec->size(); 3467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid CXXMethodVector::push_back(const CXXMethodDecl *Method) { 3497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Storage == 0) { 3507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // 0 -> 1 element. 3517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor Storage = reinterpret_cast<uintptr_t>(Method); 3527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return; 3537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor } 3547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor vector_type *Vec; 3567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if ((Storage & 0x01) == 0) { 3577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // 1 -> 2 elements. Allocate a new vector and push the element into that 3587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // vector. 3597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor Vec = new vector_type; 3607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor Vec->push_back(reinterpret_cast<const CXXMethodDecl *>(Storage)); 3617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor Storage = reinterpret_cast<uintptr_t>(Vec) | 0x01; 3627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor } else 3637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor Vec = reinterpret_cast<vector_type *>(Storage & ~0x01); 3647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Add the new method to the vector. 3667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor Vec->push_back(Method); 3677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid CXXMethodVector::Destroy() { 3707d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Storage & 0x01) 3717d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor delete reinterpret_cast<vector_type *>(Storage & ~0x01); 3727d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3737d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor Storage = 0; 3747d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3757d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3767d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3777d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3787d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 3797d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3807d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3817d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3827d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3837d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3847d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 3857d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3867d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3877d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3887d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 3897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 3957d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3967d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3977d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 3987d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 3997d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 4007d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4017d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4022e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregornamespace { 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump class BeforeInTranslationUnit 4042e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor : std::binary_function<SourceRange, SourceRange, bool> { 4052e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceManager *SourceMgr; 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4072e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor public: 4082e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { } 4091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4102e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool operator()(SourceRange X, SourceRange Y) { 4112e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin()); 4122e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4132e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor }; 4142e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 4152e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4162e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \brief Determine whether the given comment is a Doxygen-style comment. 4172e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// 4182e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \param Start the start of the comment text. 4192e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// 4202e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \param End the end of the comment text. 4212e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// 4222e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \param Member whether we want to check whether this is a member comment 4232e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// (which requires a < after the Doxygen-comment delimiter). Otherwise, 4242e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// we only return true when we find a non-member comment. 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic bool 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpisDoxygenComment(SourceManager &SourceMgr, SourceRange Comment, 4272e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool Member = false) { 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const char *BufferStart 4292e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getBufferData(SourceMgr.getFileID(Comment.getBegin())).first; 4302e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char *Start = BufferStart + SourceMgr.getFileOffset(Comment.getBegin()); 4312e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor const char* End = BufferStart + SourceMgr.getFileOffset(Comment.getEnd()); 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4332e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (End - Start < 4) 4342e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return false; 4352e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4362e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor assert(Start[0] == '/' && "Not a comment?"); 4372e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Start[1] == '*' && !(Start[2] == '!' || Start[2] == '*')) 4382e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return false; 4392e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Start[1] == '/' && !(Start[2] == '!' || Start[2] == '/')) 4402e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return false; 4412e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4422e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return (Start[3] == '<') == Member; 4432e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 4442e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4452e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor/// \brief Retrieve the comment associated with the given declaration, if 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// it has one. 4472e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregorconst char *ASTContext::getCommentForDecl(const Decl *D) { 4482e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!D) 4492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 4501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4512e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Check whether we have cached a comment string for this declaration 4522e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // already. 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::DenseMap<const Decl *, std::string>::iterator Pos 4542e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = DeclComments.find(D); 4552e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Pos != DeclComments.end()) 4562e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return Pos->second.c_str(); 4572e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we have an external AST source and have not yet loaded comments from 4592e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // that source, do so now. 4602e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (ExternalSource && !LoadedExternalComments) { 4612e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange> LoadedComments; 4622e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ExternalSource->ReadComments(LoadedComments); 4631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4642e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!LoadedComments.empty()) 4652e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Comments.insert(Comments.begin(), LoadedComments.begin(), 4662e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LoadedComments.end()); 4671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4682e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LoadedExternalComments = true; 4692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If there are no comments anywhere, we won't find anything. 4722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Comments.empty()) 4732e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 4742e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4752e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the declaration doesn't map directly to a location in a file, we 4762e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // can't find the comment. 4772e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceLocation DeclStartLoc = D->getLocStart(); 4782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (DeclStartLoc.isInvalid() || !DeclStartLoc.isFileID()) 4792e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 4802e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 4812e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Find the comment that occurs just before this declaration. 4822e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange>::iterator LastComment 4831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = std::lower_bound(Comments.begin(), Comments.end(), 4842e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceRange(DeclStartLoc), 4852e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor BeforeInTranslationUnit(&SourceMgr)); 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4872e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Decompose the location for the start of the declaration and find the 4882e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // beginning of the file buffer. 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<FileID, unsigned> DeclStartDecomp 4902e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(DeclStartLoc); 4911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const char *FileBufferStart 4922e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getBufferData(DeclStartDecomp.first).first; 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4942e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // First check whether we have a comment for a member. 4952e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (LastComment != Comments.end() && 4962e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor !isa<TagDecl>(D) && !isa<NamespaceDecl>(D) && 4972e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor isDoxygenComment(SourceMgr, *LastComment, true)) { 4982e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> LastCommentEndDecomp 4992e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(LastComment->getEnd()); 5002e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (DeclStartDecomp.first == LastCommentEndDecomp.first && 5012e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceMgr.getLineNumber(DeclStartDecomp.first, DeclStartDecomp.second) 5021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump == SourceMgr.getLineNumber(LastCommentEndDecomp.first, 5032e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LastCommentEndDecomp.second)) { 5042e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // The Doxygen member comment comes after the declaration starts and 5052e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // is on the same line and in the same file as the declaration. This 5062e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // is the comment we want. 5072e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::string &Result = DeclComments[D]; 5081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result.append(FileBufferStart + 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceMgr.getFileOffset(LastComment->getBegin()), 5102e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor FileBufferStart + LastCommentEndDecomp.second + 1); 5112e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return Result.c_str(); 5122e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 5132e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 5141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5152e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (LastComment == Comments.begin()) 5162e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 5172e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor --LastComment; 5182e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 5192e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Decompose the end of the comment. 5202e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> LastCommentEndDecomp 5212e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(LastComment->getEnd()); 5221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5232e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the comment and the declaration aren't in the same file, then they 5242e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // aren't related. 5252e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (DeclStartDecomp.first != LastCommentEndDecomp.first) 5262e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 5271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5282e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Check that we actually have a Doxygen comment. 5292e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!isDoxygenComment(SourceMgr, *LastComment)) 5302e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5322e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Compute the starting line for the declaration and for the end of the 5332e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // comment (this is expensive). 5341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned DeclStartLine 5352e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getLineNumber(DeclStartDecomp.first, DeclStartDecomp.second); 5362e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor unsigned CommentEndLine 5371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = SourceMgr.getLineNumber(LastCommentEndDecomp.first, 5382e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor LastCommentEndDecomp.second); 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5402e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the comment does not end on the line prior to the declaration, then 5412e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // the comment is not associated with the declaration at all. 5422e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (CommentEndLine + 1 != DeclStartLine) 5432e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return 0; 5441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5452e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // We have a comment, but there may be more comments on the previous lines. 5462e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Keep looking so long as the comments are still Doxygen comments and are 5472e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // still adjacent. 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned ExpectedLine 5492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getSpellingLineNumber(LastComment->getBegin()) - 1; 5502e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::vector<SourceRange>::iterator FirstComment = LastComment; 5512e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor while (FirstComment != Comments.begin()) { 5522e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Look at the previous comment 5532e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor --FirstComment; 5542e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> Decomp 5552e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(FirstComment->getEnd()); 5561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5572e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If this previous comment is in a different file, we're done. 5582e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Decomp.first != DeclStartDecomp.first) { 5592e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 5602e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor break; 5612e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5632e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If this comment is not a Doxygen comment, we're done. 5642e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (!isDoxygenComment(SourceMgr, *FirstComment)) { 5652e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 5662e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor break; 5672e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 5681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // If the line number is not what we expected, we're done. 5702e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor unsigned Line = SourceMgr.getLineNumber(Decomp.first, Decomp.second); 5712e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor if (Line != ExpectedLine) { 5722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 5732e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor break; 5742e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 5751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5762e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Set the next expected line number. 5771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExpectedLine 5782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getSpellingLineNumber(FirstComment->getBegin()) - 1; 5792e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5812e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // The iterator range [FirstComment, LastComment] contains all of the 5822e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // BCPL comments that, together, are associated with this declaration. 5832e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Form a single comment block string for this declaration that concatenates 5842e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // all of these comments. 5852e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::string &Result = DeclComments[D]; 5862e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor while (FirstComment != LastComment) { 5872e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> DecompStart 5882e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(FirstComment->getBegin()); 5892e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor std::pair<FileID, unsigned> DecompEnd 5902e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor = SourceMgr.getDecomposedLoc(FirstComment->getEnd()); 5912e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Result.append(FileBufferStart + DecompStart.second, 5922e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor FileBufferStart + DecompEnd.second + 1); 5932e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor ++FirstComment; 5942e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 5951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5962e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor // Append the last comment line. 5971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result.append(FileBufferStart + 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceMgr.getFileOffset(LastComment->getBegin()), 5992e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor FileBufferStart + LastCommentEndDecomp.second + 1); 6002e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return Result.c_str(); 6012e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 6022e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 603464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 604464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 605464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 606a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 607b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 608b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 609b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 610183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 611b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 612b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 613b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 614b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 615b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 616b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 617b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 618b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 619b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 6208b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 621af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 622af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 6235d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 6245d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 6258b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 626dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 627dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 62840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 629bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Align, AA->getMaxAlignment()); 630dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 631af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 632af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 6336217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 6345d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 6355d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 6365d484e8cf710207010720589d89602233de61d01Sebastian Redl else 6375d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 6385d484e8cf710207010720589d89602233de61d01Sebastian Redl } 6395d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 6404cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 641dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 642dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 643dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 644dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 645dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 64605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 64705f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 64805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 64905f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 65005f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 65105f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 652af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 653dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 6548b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 655af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 656b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 657a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 658a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 6590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 6600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 6610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 6620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 663d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 6641d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 6655e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 6665e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 667a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 66872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 66972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 67018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 67172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 67272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 67318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 67472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 67572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 6765d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 6775d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 67818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 67918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 68018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 68118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 68218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 68372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 684fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 68518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 68618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 68718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 68818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 689fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 6901d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69298be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 6939e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 694030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 695030d8846c7e520330007087e949f621989876e3aChris Lattner break; 6965c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 697213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 698030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 6999fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 7009fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 7019fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 7024bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 7036fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 7046fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 7059fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner if (VT->getNumElements() & (VT->getNumElements()-1)) { 7069fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 7079fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 7089fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 709030d8846c7e520330007087e949f621989876e3aChris Lattner break; 710030d8846c7e520330007087e949f621989876e3aChris Lattner } 7115d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 7129e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 713a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 714692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 715d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 71618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 71718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 71818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 71918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 72018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 7216f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 7229e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 7239e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 7246f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 725692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 726692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 727692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 7286f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 7299e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 7309e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 7316f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 73264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 73364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 73464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 73564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 736f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 737f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 738f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 739f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 740f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 741f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 742f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 743f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 744692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 7456f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 7469e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 7479e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 7486f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 749692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 7506f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 7519e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 7529e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 7536f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 754692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 7556f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 7569e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 7579e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 7586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 759692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 7606f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 7619e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 7629e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 7636f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 764ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 765ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 766ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 767ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 768ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 7696f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 7709e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 7719e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 7726f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7736f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 7745426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 7755426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 7766f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7776f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 7789e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 7799e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 7806f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7816e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 7826e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 7836e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 7841590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 785a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 786bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 787d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 7885426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 789f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 7906f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 791485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 792485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 793485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 794485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 795485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 796485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 7975d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 7985d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 7995d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 8005d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 8015d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 8025d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 8035d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 8045d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 8055d484e8cf710207010720589d89602233de61d01Sebastian Redl } 806f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 807f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 8085426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 809f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 810f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 811f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 812f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 813f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 8141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 8151cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 8161cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Width = PtrDiffInfo.first; 817f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 818f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 8191cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 8201cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 821f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 8225d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 8235d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 8245d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 8251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 82698be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 8279e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 8285d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 8295d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 8305d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 83144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 8321d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 83344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 83444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 83544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 83644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 83744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 83872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 83972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 8401d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 8411d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 8421d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 8438389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 8448389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 8458389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 8468389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8481d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 8497176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 8507176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 8511d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 8527176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 8537176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 8547176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 855dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 856a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 8577532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 8589fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 85949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 86049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 86149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 8629fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::Elaborated: 8639fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner return getTypeInfo(cast<ElaboratedType>(T)->getUnderlyingType() 8649fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner .getTypePtr()); 8657da2431c23ef1ee8acb114e39692246e1801afc2John McCall 86618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 86718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 86840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 869bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Aligned->getMaxAlignment(), 870bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt getTypeAlign(Typedef->getUnderlyingType().getTypePtr())); 87118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 87218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 87318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 8747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 8757176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 87618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 87718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 87818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 87918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 88018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 88118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 88218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 88318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 884395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 885395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 886395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 887395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 88818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::QualifiedName: 88918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<QualifiedNameType>(T)->getNamedType().getTypePtr()); 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 8921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 89318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 89418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 89518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 89618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 89718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 89818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 8991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 900464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 9019e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 902a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 903a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 904bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 905bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 906bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 907199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 908bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 909bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 910199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 911bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 912bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 91316e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 91486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 91586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 91686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 91786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 91886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 91986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 92086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 92186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 92234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 92334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 92434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 92534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 92634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 92734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 9281eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 9291eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 930183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 9311eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 9321eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 9331eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 9341eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 9351eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 93634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 93734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 93834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 939a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 940a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 941a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 942a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 943a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 944f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 945a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 946a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 947a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 948a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 949a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 950a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 951a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 952a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 953a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 954a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 955a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 956a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 9578e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 9588e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 9598e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 9608e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 96111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 9628e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 9638e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 9648e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 9658e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 96611062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 96711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian CollectNonClassIvars(OI, Ivars); 9688e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 9698e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9709820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanianvoid ASTContext::CollectProtocolSynthesizedIvars(const ObjCProtocolDecl *PD, 9719820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 97217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCContainerDecl::prop_iterator I = PD->prop_begin(), 97317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = PD->prop_end(); I != E; ++I) 9749820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian if (ObjCIvarDecl *Ivar = (*I)->getPropertyIvarDecl()) 9759820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian Ivars.push_back(Ivar); 9761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9779820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian // Also look into nested protocols. 9789820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = PD->protocol_begin(), 9799820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian E = PD->protocol_end(); P != E; ++P) 9809820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian CollectProtocolSynthesizedIvars(*P, Ivars); 9819820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 9829820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 98311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// CollectNonClassIvars - 98411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// This routine collects all other ivars which are not declared in the class. 98511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// This includes synthesized ivars and those in class's implementation. 9869820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 98711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanianvoid ASTContext::CollectNonClassIvars(const ObjCInterfaceDecl *OI, 9889820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 9890e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian // Find ivars declared in class extension. 9900e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) { 9910e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(), 9920e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian E = CDecl->ivar_end(); I != E; ++I) { 9930e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian Ivars.push_back(*I); 9940e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 9950e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 9960e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian 99717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCInterfaceDecl::prop_iterator I = OI->prop_begin(), 99817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = OI->prop_end(); I != E; ++I) { 9999820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian if (ObjCIvarDecl *Ivar = (*I)->getPropertyIvarDecl()) 10009820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian Ivars.push_back(Ivar); 10019820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian } 10029820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian // Also look into interface's protocol list for properties declared 10039820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian // in the protocol and whose ivars are synthesized. 10049820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 10059820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 10069820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian ObjCProtocolDecl *PD = (*P); 10079820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian CollectProtocolSynthesizedIvars(PD, Ivars); 10089820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian } 100911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 101011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian // Also add any ivar defined in this class's implementation 101111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) { 101211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(), 101311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian E = ImplDecl->ivar_end(); I != E; ++I) 101411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 101511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 10169820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 10179820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1018e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1019e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1020e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1021432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1022e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 1023e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 1024e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 1025e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1026432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1027e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1028b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1029b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1030e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1031e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1032b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1033e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1034e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1035e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1036e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1037e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1038e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1039e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1040e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1041e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1042e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1043e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian return; 1044e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1045e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 1046e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 1047e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1048e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1049432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1050e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1051e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1052e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1053e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1054e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian return; 1055e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1056e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1057e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1058e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1059e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1060432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1061e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1062e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1063e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1064e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1065e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian return; 1066e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1067e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1068e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 10698e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianunsigned ASTContext::CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD) { 10708e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned count = 0; 107117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCContainerDecl::prop_iterator I = PD->prop_begin(), 107217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = PD->prop_end(); I != E; ++I) 10738e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if ((*I)->getPropertyIvarDecl()) 10748e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian ++count; 10758e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 10768e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian // Also look into nested protocols. 10778e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = PD->protocol_begin(), 10788e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = PD->protocol_end(); P != E; ++P) 10798e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian count += CountProtocolSynthesizedIvars(*P); 10808e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 10818e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 10828e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpunsigned ASTContext::CountSynthesizedIvars(const ObjCInterfaceDecl *OI) { 10848e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned count = 0; 108517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCInterfaceDecl::prop_iterator I = OI->prop_begin(), 108617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = OI->prop_end(); I != E; ++I) { 10878e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if ((*I)->getPropertyIvarDecl()) 10888e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian ++count; 10898e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 10908e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian // Also look into interface's protocol list for properties declared 10918e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian // in the protocol and whose ivars are synthesized. 10928e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 10938e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 10948e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian ObjCProtocolDecl *PD = (*P); 10958e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian count += CountProtocolSynthesizedIvars(PD); 10968e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 10978e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 10988e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 10998e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 11008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 11018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 11028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11038a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11048a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11058a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 11068a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11078a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 11098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 11108a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11118a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11128a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11138a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 11148a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11158a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11168a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11178a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 11188a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 11198a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 11208a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 11218a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 11228a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11238a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 11248a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 11258a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 11268a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 11278a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 11288a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11298a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 1130a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1131b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1132a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1133b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1134b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1135b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1136b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1137b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1138a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 1139109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 1140109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1141109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1142109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1143109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1144a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1145109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1146a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1147a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1148a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1149a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1150b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1151b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1152a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 1153a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 1154a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1155a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 1156a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1157a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1158a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1159b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// getInterfaceLayoutImpl - Get or compute information about the 1160b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// layout of the given interface. 1161b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// 1162b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// \param Impl - If given, also include the layout of the interface's 1163b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// implementation. This may differ by including synthesized ivars. 116444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patelconst ASTRecordLayout & 1165b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getObjCLayout(const ObjCInterfaceDecl *D, 1166b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ObjCImplementationDecl *Impl) { 1167532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar assert(!D->isForwardDecl() && "Invalid interface decl!"); 1168532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar 116944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Look up this layout, if already laid out, return what we have. 11701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCContainerDecl *Key = 1171d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar Impl ? (ObjCContainerDecl*) Impl : (ObjCContainerDecl*) D; 1172d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar if (const ASTRecordLayout *Entry = ObjCLayouts[Key]) 1173d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar return *Entry; 117444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 1175453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // Add in synthesized ivar count if laying out an implementation. 1176453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar if (Impl) { 11778e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian unsigned SynthCount = CountSynthesizedIvars(D); 1178d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar // If there aren't any sythesized ivars then reuse the interface 1179453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entry. Note we can't cache this because we simply free all 1180453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entries later; however we shouldn't look up implementations 1181453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // frequently. 11828e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if (SynthCount == 0) 1183453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar return getObjCLayout(D, 0); 1184453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar } 1185453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 118729445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D, Impl); 118829445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ObjCLayouts[Key] = NewEntry; 11891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 119044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel return *NewEntry; 119144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel} 119244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 1193b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1194b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 1195b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1196b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1197b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1198b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1199b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 1200b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1201b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1202b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 120388a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel/// getASTRecordLayout - Get or compute information about the layout of the 1204464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// specified record (struct/union/class), which indicates its size and field 1205464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// position information. 120698be4943e8dc4f3905629a7102668960873cf863Chris Lattnerconst ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) { 1207952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor D = D->getDefinition(); 12084b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek assert(D && "Cannot get layout of forward declarations!"); 12094bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 1210464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Look up this layout, if already laid out, return what we have. 1211ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // Note that we can't save a reference to the entry because this function 1212ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // is recursive. 1213ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman const ASTRecordLayout *Entry = ASTRecordLayouts[D]; 1214464175bba1318bef7905122e9fda20cff926df78Chris Lattner if (Entry) return *Entry; 12154bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 121729445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D); 1218ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman ASTRecordLayouts[D] = NewEntry; 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12205d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner return *NewEntry; 1221464175bba1318bef7905122e9fda20cff926df78Chris Lattner} 1222464175bba1318bef7905122e9fda20cff926df78Chris Lattner 1223f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlssonconst CXXMethodDecl *ASTContext::getKeyFunction(const CXXRecordDecl *RD) { 1224952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor RD = cast<CXXRecordDecl>(RD->getDefinition()); 1225f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(RD && "Cannot get key function for forward declarations!"); 1226f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 1227f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson const CXXMethodDecl *&Entry = KeyFunctions[RD]; 1228f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson if (!Entry) 1229f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson Entry = ASTRecordLayoutBuilder::ComputeKeyFunction(RD); 1230f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson else 1231f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(Entry == ASTRecordLayoutBuilder::ComputeKeyFunction(RD) && 1232f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson "Key function changed!"); 1233f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 1234f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson return Entry; 1235f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson} 1236f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 1237a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1238a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1239a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1240a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 12410953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 12420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 12430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 12440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 12460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 12470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 12480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 12490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 12500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 12510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 12520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 12530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 12540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 12560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 12570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 12580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 12590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 12600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12610953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 12620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 12630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 12640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 12680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 12700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 12710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1272f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1273f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1274f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1275f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1276b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 12770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 12830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 12850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 12860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 12871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1289ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1290ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1291b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 12920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1293d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1294b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1295d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 12961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12974027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 12986217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 129958f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 13004027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 13014027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 13024027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13034027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 13110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 13130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 13140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 13151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1317d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1318a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1319ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorstatic QualType getNoReturnCallConvType(ASTContext& Context, QualType T, 1320ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor bool AddNoReturn, 1321ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv CallConv) { 13220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 132343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 132443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1325ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = getNoReturnCallConvType(Context, Pointee, AddNoReturn, 1326ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallConv); 132743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 132843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1329ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1330ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 133143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 133243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 133343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1334ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = getNoReturnCallConvType(Context, Pointee, AddNoReturn, 1335ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallConv); 133643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 133743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1338ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1339ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1340ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1341ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (F->getNoReturnAttr() == AddNoReturn && F->getCallConv() == CallConv) 134243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1343ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 134443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1345ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1346ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor AddNoReturn, CallConv); 13470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 134843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 13490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1350ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1351ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1352ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1353ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1354ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1355ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1356ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1357ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor AddNoReturn, CallConv); 13580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 135943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 136043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1361ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1362ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1363ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1364ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1365ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1366ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return getNoReturnCallConvType(*this, T, AddNoReturn, T.getCallConv()); 1367ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1368ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1369ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1370ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return getNoReturnCallConvType(*this, T, T.getNoReturnAttr(), CallConv); 13712455636163fdd18581d7fdae816433f886d88213Mike Stump} 13722455636163fdd18581d7fdae816433f886d88213Mike Stump 13735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 13745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 13835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 13841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1388467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1389f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 13901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1393f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13956b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 13985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 14045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 14121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1416467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1417f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1421f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 14245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 14265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 14305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 14315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1432296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1433296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 14345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 14355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 14365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 14371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 14395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 14405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 14421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 14445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 14455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1446467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 14475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 14481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 14505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 14515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1452f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 14556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 14565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 14575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 14585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 14595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 14605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 14627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 146354e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 14645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 146754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 14685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 14717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 14737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 147454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 147554e14c4db764c0636160d26c5bbf491637c83a76John McCall 14765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 14775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 14785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 147954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 148054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 148154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 14827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 14847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 14857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 14867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 14887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 149054e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 149154e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 14927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 14937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 149454e14c4db764c0636160d26c5bbf491637c83a76John McCall 14957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 14967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 14977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 14997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 15007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 15017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 15027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 15037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 150454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 15057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 15077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 15087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 15097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 15107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 151154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 151254e14c4db764c0636160d26c5bbf491637c83a76John McCall 15137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 15147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 15157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 151654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 151754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 151854e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 15197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 15227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1523f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 15276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 15285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 15305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1533f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1534f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 15351eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1536f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1537f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1538f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1539f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1540f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1541f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1542f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1543f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1544f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1545f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1546f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1547f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1548f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 154987c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1550f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1551f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1552f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1553f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1554f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1555f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1556f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 15576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 15586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1559f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1560f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1561f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1562f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1563f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1565fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 15661eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 156738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1568c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1569c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1570923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1571923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1572587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1573587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 157438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 157538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 157638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 157738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 15800be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 15811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 15847192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 15861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 15885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1590467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 15911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1592c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 15957192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1596f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 16006b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 16017192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1606bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1607bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 16087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 16097e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1610c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 16117e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 16127e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1613c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1614c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1615c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 16166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 16176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType(EltTy, QualType(), NumElts, ASM, EltTypeQuals, Brackets); 1618c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1619c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1620c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1621c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1622c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1623c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1624898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1625898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 162604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 16277e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 16287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1629898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 16307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 16317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1632cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1633cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1634898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1635898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 163604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1637cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1638789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1639cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1640cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1641cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1642cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1643cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1644cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1645cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1646cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1647cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1648cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1649cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 165004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 165104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 165204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 165304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 16546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 16566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 165704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 165804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 165904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 16606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 16626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1663cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1664789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1665789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1666789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1667789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1668789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1669cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1670789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 167104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 167204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 167304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 167404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 16756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16766b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 16776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 167804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 167904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 16801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1681898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1682898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1683898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1684898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1685c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1686c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1687c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1688c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 16890be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1690c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1691c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 16921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1693c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1694c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1695c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1696c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1697c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1698c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1699c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1700467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1701f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 17022bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1703c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1704c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1705c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1706c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1707f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 17082bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1709c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17106b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 17116b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1712c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1713c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1714c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1715c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1716fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1717fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 171873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 171973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 172082287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 172182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool IsAltiVec, bool IsPixel) { 17225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 17231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1724f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 172573322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 17261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 17285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 172982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::Vector, 173082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson IsAltiVec, IsPixel); 17315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 17335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 17345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 17365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 17375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 173882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson if (!vecType.isCanonical() || IsAltiVec || IsPixel) { 173982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Canonical = getVectorType(getCanonicalType(vecType), 174082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson NumElts, false, false); 17411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 17435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1744f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 17455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 174782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(vecType, NumElts, Canonical, IsAltiVec, IsPixel); 17485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 17495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 17505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1753213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 175473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1755213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 175673322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 17571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1758f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1759213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 17601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 176173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 176273322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 176382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, false, false); 176473322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 176573322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 176673322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 176773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 176873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 176973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 177073322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1771467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1772213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 17731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 177473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 177573322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1776f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 177773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 17786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 17796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 178073322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 178173322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 178273322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 178373322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 178473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 17851eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 17869cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 17879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 17882ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 17891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 17902ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 17911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17922ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 17932ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 17942ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 17952ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 17962ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 17972ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 17982ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 17996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18006b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 18016b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 18022ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18032ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 18042ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 18056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 18076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1808789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1809789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1810789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1811789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1812789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 18132ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 18142ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18152ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 18162ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 18176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 18192ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18202ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18229cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 18239cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 18249cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 18259cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 182672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 18275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1828ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, bool NoReturn, 1829ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv CallConv) { 18305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 18315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 18325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1833f82b4e85b1219295cad4b5851b035575bc293010John McCall FunctionNoProtoType::Profile(ID, ResultTy, NoReturn, CallConv); 18341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 183772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 18385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 18391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1841ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 184204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1843ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor Canonical = getFunctionNoProtoType(getCanonicalType(ResultTy), NoReturn, 184404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv)); 18451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 184772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 184872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1849f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 18505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1853f82b4e85b1219295cad4b5851b035575bc293010John McCall FunctionNoProtoType(ResultTy, Canonical, NoReturn, CallConv); 18545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 185572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 18565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 186161710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1862971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1863465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1864465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1865ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor const QualType *ExArray, bool NoReturn, 1866ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv CallConv) { 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 18685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 18695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 187072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1871465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1872f82b4e85b1219295cad4b5851b035575bc293010John McCall NumExs, ExArray, NoReturn, CallConv); 18735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 187672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 18775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1878465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1879465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 188054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 18815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 188254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 18835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 18845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1886465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 18875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 188804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 18895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 18905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 18915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 189254e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1893465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1894f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1895beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 189647259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1897ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor false, 0, 0, NoReturn, 189804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv)); 1899465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 19005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 190172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 190272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1903f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 19045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1905465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 190672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1907465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1908465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 19091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1910465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1911465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 19126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 191372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1914465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1915ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ExArray, NumExs, Canonical, NoReturn, CallConv); 19165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 191772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 19185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 19195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19212ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 19222ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 192319c8576b7328f4dc2d07682f5da552875c1912efJohn McCallQualType ASTContext::getTypeDeclType(const TypeDecl *Decl, 192419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall const TypeDecl* PrevDecl) { 19251e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 19262ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 19271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 192819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 19292ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1930fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor else if (isa<TemplateTypeParmDecl>(Decl)) { 1931fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor assert(false && "Template type parameter types are always available."); 193219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const ObjCInterfaceDecl *ObjCInterface 19339fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump = dyn_cast<ObjCInterfaceDecl>(Decl)) 19342ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getObjCInterfaceType(ObjCInterface); 193549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 193619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1937566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek if (PrevDecl) 1938566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek Decl->TypeForDecl = PrevDecl->TypeForDecl; 1939f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff else 19406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Record); 194119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1942566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek if (PrevDecl) 1943566c2ba743065ec090f5154d5c30cf593aa12a6eTed Kremenek Decl->TypeForDecl = PrevDecl->TypeForDecl; 1944f83820bd7a0dc4c253071b31c443a316a49ce5aaSteve Naroff else 19456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Enum); 194619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1947ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1948ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 19499fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 19502ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor assert(false && "TypeDecl without a type?"); 195149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 19524b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek if (!PrevDecl) Types.push_back(Decl->TypeForDecl); 195349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 19542ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 19552ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 19565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 19575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 195819c8576b7328f4dc2d07682f5da552875c1912efJohn McCallQualType ASTContext::getTypedefType(const TypedefDecl *Decl) { 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 19601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1961f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 19626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 19636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 19645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 19655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 19665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 196849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 196949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 197049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 197149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1972467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 197349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 197449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 197549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 197649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 197749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 197849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 197949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 198049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 198149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 198249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 198349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 198449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 198549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 198649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 198749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 198849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 198949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 199049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1991fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 19921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 199376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 19941eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 199576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1996fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name) { 1997fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 199876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1999fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 20001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2001fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2002fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2003fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2004fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 20051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 200676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson if (Name) { 200776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 20086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 20096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 2010789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2011789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2012789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2013789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2014789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 201576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 20166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 20176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2018fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2019fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2020fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2021fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2022fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2023fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2024fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 20251eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 20267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2027d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 2028833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall QualType Canon) { 2029d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2030d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2031833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 2032833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2033833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2034833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2035833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2036833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, Canon); 2037833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2038833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2039833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2040833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 20417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 20427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 20437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QualType Canon) { 2044b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 2045b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 2046b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor else { 2047b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor // Build the canonical template specialization type. 20481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateName CanonTemplate = getCanonicalTemplateName(Template); 20491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::SmallVector<TemplateArgument, 4> CanonArgs; 20501275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.reserve(NumArgs); 20511275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 20521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 20531275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 20541275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Determine whether this canonical template specialization type already 20551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // exists. 20561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::FoldingSetNodeID ID; 20571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType::Profile(ID, CanonTemplate, 2058828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor CanonArgs.data(), NumArgs, *this); 20591275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 20601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor void *InsertPos = 0; 20611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateSpecializationType *Spec 20621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 20631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20641275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor if (!Spec) { 20651275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate a new canonical template specialization type. 20661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 20671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor sizeof(TemplateArgument) * NumArgs), 20686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 20691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Spec = new (Mem) TemplateSpecializationType(*this, CanonTemplate, 20701275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.data(), NumArgs, 2071b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon); 20721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Types.push_back(Spec); 20731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 20741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 20751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2076b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (Canon.isNull()) 2077b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = QualType(Spec, 0); 20781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Canon->isDependentType() && 20791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor "Non-dependent template-id type must have a canonical type"); 2080b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor } 2081fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 20821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 20831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 20841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 20851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 208640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 20876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 20881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 20891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = new (Mem) TemplateSpecializationType(*this, Template, Args, NumArgs, 2090828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 20911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 209255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 20931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 209455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 209555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 20961eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 2097ab452ba8323d1985e08bade2bced588cddf2cc28Douglas GregorASTContext::getQualifiedNameType(NestedNameSpecifier *NNS, 2098e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType) { 2099e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2100ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualifiedNameType::Profile(ID, NNS, NamedType); 2101e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2102e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 21031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualifiedNameType *T 2104e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor = QualifiedNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2105e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2106e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2107e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2108789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2109789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2110789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2111789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualifiedNameType *CheckT 2112789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = QualifiedNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2113789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckT && "Qualified name canonical type broken"); 2114789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2115789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2116789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2117789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor T = new (*this) QualifiedNameType(NNS, NamedType, Canon); 2118e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2119e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualifiedNameTypes.InsertNode(T, InsertPos); 2120e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2121e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2122e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 21231eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTypenameType(NestedNameSpecifier *NNS, 2124d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor const IdentifierInfo *Name, 2125d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType Canon) { 2126d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2127d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2128d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2129d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 2130d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (CanonNNS != NNS) 2131d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Canon = getTypenameType(CanonNNS, Name); 2132d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2133d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2134d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 2135d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameType::Profile(ID, NNS, Name); 2136d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2137d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 21381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypenameType *T 2139d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); 2140d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2141d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2142d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2143d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T = new (*this) TypenameType(NNS, Name, Canon); 2144d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 2145d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameTypes.InsertNode(T, InsertPos); 21461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2147d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2148d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 21491eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 21501eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpASTContext::getTypenameType(NestedNameSpecifier *NNS, 21511734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *TemplateId, 21521734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType Canon) { 21531734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 21541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2155789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 2156789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TypenameType::Profile(ID, NNS, TemplateId); 2157789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2158789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 2159789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TypenameType *T 2160789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); 2161789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2162789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2163789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 21641734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (Canon.isNull()) { 21651734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 21661734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); 21671734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (CanonNNS != NNS || CanonType != QualType(TemplateId, 0)) { 21681734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *CanonTemplateId 2169183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall = CanonType->getAs<TemplateSpecializationType>(); 21701734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(CanonTemplateId && 21711734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "Canonical type must also be a template specialization type"); 21721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Canon = getTypenameType(CanonNNS, CanonTemplateId); 21731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 21741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2175789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TypenameType *CheckT 2176789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TypenameTypes.FindNodeOrInsertPos(ID, InsertPos); 2177789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckT && "Typename canonical type is broken"); (void)CheckT; 2178789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 21791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 21801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor T = new (*this) TypenameType(NNS, TemplateId, Canon); 21811734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 21821734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameTypes.InsertNode(T, InsertPos); 21831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 21841734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 21851734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 21867da2431c23ef1ee8acb114e39692246e1801afc2John McCallQualType 21877da2431c23ef1ee8acb114e39692246e1801afc2John McCallASTContext::getElaboratedType(QualType UnderlyingType, 21887da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedType::TagKind Tag) { 21897da2431c23ef1ee8acb114e39692246e1801afc2John McCall llvm::FoldingSetNodeID ID; 21907da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedType::Profile(ID, UnderlyingType, Tag); 21911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21927da2431c23ef1ee8acb114e39692246e1801afc2John McCall void *InsertPos = 0; 21937da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 21947da2431c23ef1ee8acb114e39692246e1801afc2John McCall if (T) 21957da2431c23ef1ee8acb114e39692246e1801afc2John McCall return QualType(T, 0); 21967da2431c23ef1ee8acb114e39692246e1801afc2John McCall 2197789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = UnderlyingType; 2198789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2199789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(Canon); 2200789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2201789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckT && "Elaborated canonical type is broken"); (void)CheckT; 2202789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 22037da2431c23ef1ee8acb114e39692246e1801afc2John McCall 22047da2431c23ef1ee8acb114e39692246e1801afc2John McCall T = new (*this) ElaboratedType(UnderlyingType, Tag, Canon); 22057da2431c23ef1ee8acb114e39692246e1801afc2John McCall Types.push_back(T); 22067da2431c23ef1ee8acb114e39692246e1801afc2John McCall ElaboratedTypes.InsertNode(T, InsertPos); 22077da2431c23ef1ee8acb114e39692246e1801afc2John McCall return QualType(T, 0); 22087da2431c23ef1ee8acb114e39692246e1801afc2John McCall} 22097da2431c23ef1ee8acb114e39692246e1801afc2John McCall 221088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 221188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 221288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 221388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 22142e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 221588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 221688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 221754e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl **Protocols, 221854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 221954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 222054e14c4db764c0636160d26c5bbf491637c83a76John McCall 222154e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 222254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 222354e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 222454e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 222554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 222654e14c4db764c0636160d26c5bbf491637c83a76John McCall 222754e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 222888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 222988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 22301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 223188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 223288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 223388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 223488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 223588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 223688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 223788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 223888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2239d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2240d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff/// the given interface decl and the conforming protocol list. 224114108da7f7fc059772711e4ffee1322a27b152a7Steve NaroffQualType ASTContext::getObjCObjectPointerType(QualType InterfaceT, 22421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCProtocolDecl **Protocols, 2243a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian unsigned NumProtocols, 2244a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian unsigned Quals) { 2245d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSetNodeID ID; 224614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCObjectPointerType::Profile(ID, InterfaceT, Protocols, NumProtocols); 2247a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian Qualifiers Qs = Qualifiers::fromCVRMask(Quals); 2248d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2249d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2250d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff if (ObjCObjectPointerType *QT = 2251d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 2252a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian return getQualifiedType(QualType(QT, 0), Qs); 2253d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 225454e14c4db764c0636160d26c5bbf491637c83a76John McCall // Sort the protocol list alphabetically to canonicalize it. 225554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 225654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!InterfaceT.isCanonical() || 225754e14c4db764c0636160d26c5bbf491637c83a76John McCall !areSortedAndUniqued(Protocols, NumProtocols)) { 225854e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!areSortedAndUniqued(Protocols, NumProtocols)) { 225954e14c4db764c0636160d26c5bbf491637c83a76John McCall llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(NumProtocols); 226054e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 226154e14c4db764c0636160d26c5bbf491637c83a76John McCall 226254e14c4db764c0636160d26c5bbf491637c83a76John McCall std::copy(Protocols, Protocols + NumProtocols, Sorted.begin()); 226354e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 226454e14c4db764c0636160d26c5bbf491637c83a76John McCall 226554e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getObjCObjectPointerType(getCanonicalType(InterfaceT), 226654e14c4db764c0636160d26c5bbf491637c83a76John McCall &Sorted[0], UniqueCount); 226754e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 226854e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getObjCObjectPointerType(getCanonicalType(InterfaceT), 226954e14c4db764c0636160d26c5bbf491637c83a76John McCall Protocols, NumProtocols); 227054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 227154e14c4db764c0636160d26c5bbf491637c83a76John McCall 227254e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 227354e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 227454e14c4db764c0636160d26c5bbf491637c83a76John McCall } 227554e14c4db764c0636160d26c5bbf491637c83a76John McCall 2276fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor // No match. 2277fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor unsigned Size = sizeof(ObjCObjectPointerType) 2278fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor + NumProtocols * sizeof(ObjCProtocolDecl *); 2279fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2280fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor ObjCObjectPointerType *QType = new (Mem) ObjCObjectPointerType(Canonical, 2281fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor InterfaceT, 2282fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor Protocols, 2283fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor NumProtocols); 22841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2285d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff Types.push_back(QType); 2286d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 2287a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian return getQualifiedType(QualType(QType, 0), Qs); 2288d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 228988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2290c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff/// getObjCInterfaceType - Return the unique reference to the type for the 2291c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff/// specified ObjC interface decl. The list of protocols is optional. 2292c15cb2af27514ecc879daba9aa01389c5203685dSteve NaroffQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 2293a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **Protocols, unsigned NumProtocols) { 22944b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2295c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceType::Profile(ID, Decl, Protocols, NumProtocols); 22961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22974b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2298c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (ObjCInterfaceType *QT = 2299c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos)) 23004b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 23011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 230254e14c4db764c0636160d26c5bbf491637c83a76John McCall // Sort the protocol list alphabetically to canonicalize it. 230354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 230454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols && !areSortedAndUniqued(Protocols, NumProtocols)) { 230554e14c4db764c0636160d26c5bbf491637c83a76John McCall llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(NumProtocols); 230654e14c4db764c0636160d26c5bbf491637c83a76John McCall std::copy(Protocols, Protocols + NumProtocols, Sorted.begin()); 23074b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 230854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 230954e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 231024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 231154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getObjCInterfaceType(Decl, &Sorted[0], UniqueCount); 231254e14c4db764c0636160d26c5bbf491637c83a76John McCall 231354e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos); 231454e14c4db764c0636160d26c5bbf491637c83a76John McCall } 231554e14c4db764c0636160d26c5bbf491637c83a76John McCall 2316fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor unsigned Size = sizeof(ObjCInterfaceType) 2317fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor + NumProtocols * sizeof(ObjCProtocolDecl *); 2318fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2319fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor ObjCInterfaceType *QType = new (Mem) ObjCInterfaceType(Canonical, 2320fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor const_cast<ObjCInterfaceDecl*>(Decl), 2321fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor Protocols, 2322fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor NumProtocols); 232324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 232424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 232554e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCInterfaceTypes.InsertNode(QType, InsertPos); 232624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 232724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 232824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 232972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 233072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 23319752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 23321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 23339752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 233472564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2335dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2336b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2337b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2338b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 23391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2340b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2341b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2342b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2343b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2344b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2345b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 23466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2347b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2348b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2349b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2350b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 23516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 23526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2353b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2354b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2355b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2356b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2357dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 23586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2359dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 23609752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 23619752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2362d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2363d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 23649752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 23659752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 23669752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 23671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 23689752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2369d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2370f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 23716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 23729752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 23739752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2374d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2375d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 237660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 237760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 237860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2379a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2380a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 23811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 238260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 238360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 238460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 238560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 238660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 238760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 238860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 238960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 239060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 239160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 239260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 239360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 239460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 239560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 239660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 23971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 239860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 23991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 240160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 240260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 240360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 24041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 240560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 240660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 240760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2408395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2409395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2410395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 24111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2412395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2413395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2414dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 24159d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 24169d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 24179d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 24181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 24209d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 24219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 24229d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 24239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 24249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 24256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 24269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 24279d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24289d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 24299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 24306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 24319d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 24329d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 24339d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24349d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2435dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 24366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2437dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2438395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2439395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2440395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2441395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 24425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 24435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2444e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2445d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2446e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2447e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2448e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 24495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 24521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 24531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2454a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2455b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 24565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 245864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 245964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 246064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 246164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 246264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 246364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 246464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 246564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 246664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 246764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 246864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 246964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 247064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 247164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 24728b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 24738b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 24748b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2475b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 24768b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 24778b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2478e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2479e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2480e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2481e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 248254e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 248354e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 248454e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 248554e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 248654e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 248754e14c4db764c0636160d26c5bbf491637c83a76John McCall 248854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 248954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 249054e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 249154e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 249254e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 249354e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 249454e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 249554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 249654e14c4db764c0636160d26c5bbf491637c83a76John McCall 249754e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 249854e14c4db764c0636160d26c5bbf491637c83a76John McCall} 249954e14c4db764c0636160d26c5bbf491637c83a76John McCall 250077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 250177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 250277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 250377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 250477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 250577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 250650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 25070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 25080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 25090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 25100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 25110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 25120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 25131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 25150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 251650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2517c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 25180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 25190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 25200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2521c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2522c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 25230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 25241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2525c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2526c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 25270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2528c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 25291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2530c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 253150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 253250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 253350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 25340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2535c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 253650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 253750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 25380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 25391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2540898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 254150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 254250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2543bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2544bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 254550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 25460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 254787a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2548898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2549c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 255050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2551bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2552bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 255350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 25540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 255550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2556c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2557c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 255828e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 255928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 25605535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 256128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (!isa<ArrayType>(T)) { 25625535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 256328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 256428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 256528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth const ArrayType *AT = cast<ArrayType>(T); 256628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2567c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 256828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 256928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 257028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 257128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(T)) { 257228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 257328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 257428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 257528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 257628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(T)) { 257728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 257828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 257928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 258028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(T); 258128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 258228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 258328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 258428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 258528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 258680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCallDeclarationName ASTContext::getNameForTemplate(TemplateName Name) { 258780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 258880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return TD->getDeclName(); 258980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 259080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 259180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 259280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getIdentifier(DTN->getIdentifier()); 259380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 259480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getCXXOperatorName(DTN->getOperator()); 259580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 259680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 259780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 25980bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 25990bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 26000bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return (*Storage->begin())->getDeclName(); 260180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 260280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 260325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 260425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // If this template name refers to a template, the canonical 260525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // template name merely stores the template itself. 260625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) 260797fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 260825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 26090bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 26101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 261125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 261225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 261325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 261425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 261525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2616db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2617db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2618db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2619db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2620db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2621db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 26221eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 26231275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 26241275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 26251275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 26261275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26281275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 26291275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2632833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 26331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2634788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2635788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2636788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 26371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2638833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 26391275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 26401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26411275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2642833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 26431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26441275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 26451275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 26461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 26471275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 26481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 26491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 26501275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 26511275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 26521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26531275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 26541275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 26551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 26561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 26571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 26581275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 26591275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 26601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 26611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 26621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 26631275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2664d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2665d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 26661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2667d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2668d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2669d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2670d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2671d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 26721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2673d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2674d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2675d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2676d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2677d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2678d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2679d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2680d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2681d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2682d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2683d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 26841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 26851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2686d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2687d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2688d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2689d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2690d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2691d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2692d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2693d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2694d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2695d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2696d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2697d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2698c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2699c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2700c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2701a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2702c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2703c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2704c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2705c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 27061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2708c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 27090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2710c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 27111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2713c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2714c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 27151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2716c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2717c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 271850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 27190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 27210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 27221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2723c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2724c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 27250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2726c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 27271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2728c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2729c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2730c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2731c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 27320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 27331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2734c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2735c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2736c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 27370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2738c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2739c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2740c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 27410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2742898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 27431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2744898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2745898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 27461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2747bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2748bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2749898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 27500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 27517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 27521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2753c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 27547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2755bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 27560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2757c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 27580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 27597e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 276077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 276177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 276277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2763e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2764e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2765e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2766e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2767e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2768e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2769e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2770c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2771c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2772c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2773c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2774c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2775c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 27761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2777c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2778e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2779e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 27800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2781e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2782e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 27835e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 27840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 27855e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor while (true) { 27860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *UT = Qs.strip(QT); 27875e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor if (const ArrayType *AT = getAsArrayType(QualType(UT,0))) { 27885e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor QT = AT->getElementType(); 27896dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump } else { 27900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs.apply(QT); 27915e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor } 27925e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor } 27935e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 27945e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2795fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2796fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 27971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2798fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2799fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 28001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28016183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 28026183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 28036183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 28040de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 28051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 28060de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 28070de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 28080de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 28090de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 28100de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 28110de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 28120de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 28130de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 28140de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 28155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 28165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2817a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2818183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 28195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2820a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2821183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2822183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2823a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 28245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 28255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 28265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 28275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 28311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2832716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2833716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 28341361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 28351361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 28361361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 28371361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 28381361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2839716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2840f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2841f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2842f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2843f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2844f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 28451361b11066239ea15764a2a844405352d87296b3Chris Lattner 28461361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 28471361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 28481361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 28491361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 28501361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 28511361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 28525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 28567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 28577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 28581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2859a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2860a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2861a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 28621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2863a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2864fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2865a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2866fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2867fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 28685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2870f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2871f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2872f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2873f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2874467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2875f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2876842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2877f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2878a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2879a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2880a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2881f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2882f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2883f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2884f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2885f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2886f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2887f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 28887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 28897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2890f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 28917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 28927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 28937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 28947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2895f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 28967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 28977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2898f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 28997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 29007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2901f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 29027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 29037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2904f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 29057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 29067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2907f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 29082df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 29092df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 29102df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2911f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2912f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2913f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 291404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 291504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 291604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 291704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 291804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 291904e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 292004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 292104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 292204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 292304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 292404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 292504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 292604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 292704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 292804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 292904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 293004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 293104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 293204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 293304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 293404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 293504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 293604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 293704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 293804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 293904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 294004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 294104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 294204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 294304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 294404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2945a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2946a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2947a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2948a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2949a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2950a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2951842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2952842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2953a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2954a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2955a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2956a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2957a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2958a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2959a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2960a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 29611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 29627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 29631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 29647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2965f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2966f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 29677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 29681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2969f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2970f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 29711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 29737cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 29741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 29767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 29777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 29787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 29791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 29817cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 29827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 29837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 29847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 29851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 29877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 29881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 29897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 29907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 29917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 29927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 29937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 29947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 29951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 29977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 29981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 29997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 30005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 300171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 300279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 300379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 300479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 300579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 300679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 300779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 300879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 300979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 301079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 30111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 301271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 301371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 30141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 301579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 301679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 30175cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 301879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3019f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 30201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 302171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 30220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3023f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3024f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 302571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 30260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 302771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 30281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 30291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 303044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 303144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 30321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 303344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3034a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 30351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 30364afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 303717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 303844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 303944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3040838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 304171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 30421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 304371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 30448467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3045b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3046319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 30476217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3048319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3049319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3050319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3051319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 3053bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 305444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 305579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 305679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 30575cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 30581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3059bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3060bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3061de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3062bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3063bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3064bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3065bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 30661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 306744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 30681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 30691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 30701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3071a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 30721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 30734afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 307417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 307544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 30761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3077838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3078bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 30791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3080bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3081bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3082bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 3083adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 3084adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3085adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3086adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3087adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3088adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 308979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson T = CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 309079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 30915cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3092adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3093adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3094adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3095adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3096adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3097adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3098adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3099adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3100083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3101adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3102adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3103adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3104adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3105adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3106adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3107adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3108a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3109adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3110adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 3111adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3112adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3113adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3114838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3115adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3116adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3117adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3118adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3119adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3120adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3121adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3122adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3123adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3124adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3125adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3126adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3127083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 3128083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3129083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3130083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3131083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3132083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 313379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson T = CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 313479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 31355cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3136083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3137083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3138083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3139083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3140083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3141083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3142083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3143083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3144083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3145083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3146083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3147083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3148083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3149083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3150083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3151083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3152083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3153083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3154083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3155083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3156a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3157083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3158083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 3159083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3160083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3161083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3162838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3163083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3164083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3165083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3166083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3167083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3168083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3169083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3170083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3171083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3172083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3173083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3174083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3175af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3176af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3177af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3178af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3179af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3180af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3181af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3182af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3183af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3184af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3185af7b44d847d3e44c43346d508b2e55a6254b6e9dMike StumpQualType ASTContext::BuildByRefType(const char *DeclName, QualType Ty) { 3186af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3187ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3188af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3189ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3190ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 319138e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__copy_helper; // as needed 319238e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__destroy_help // as needed 3193af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3194ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3195ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3196af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3197af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3198af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 31994d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockByRefTypeID = 0; 3200f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3201f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3202f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3203af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 320479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson T = CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 320579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3206af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3207af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3208af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3209af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3210af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3211af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3212af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3213af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3214af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3215af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3216af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3217af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3218af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3219af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump const char *FieldNames[] = { 3220af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3221af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3222af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3223af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3224af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3225af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3226af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3227af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3228af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3229af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3230af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3231af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3232af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3233af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3234a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3235af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 3236af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3237af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3238af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3239838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3240af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3241af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3242ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3243ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3244ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3245ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3246083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3247ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump llvm::SmallVector<const Expr *, 8> &BlockDeclRefDecls) { 3248adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 32494d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockParmTypeID = 0; 3250f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3251f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3252f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3253adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 325479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson T = CreateRecordDecl(*this, TagDecl::TK_struct, TUDecl, SourceLocation(), 325579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 32565cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3257adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3258adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3259adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3260adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3261adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3262083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3263083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3264083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3265adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3266adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3267adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3268adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3269adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3270adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3271adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3272adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3273adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3274adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3275adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3276ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3277adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3278a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3279ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 3280ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3281ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3282ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3283ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump for (size_t i = 0; i < BlockDeclRefDecls.size(); ++i) { 3284ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const Expr *E = BlockDeclRefDecls[i]; 3285ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E); 3286ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump clang::IdentifierInfo *Name = 0; 3287ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump if (BDRE) { 3288ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3289ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump Name = &Idents.get(D->getName()); 3290ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3291ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump QualType FieldType = E->getType(); 3292ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3293ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump if (BDRE && BDRE->isByRef()) 3294af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldType = BuildByRefType(BDRE->getDecl()->getNameAsCString(), 3295af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldType); 3296ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3297ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3298a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Name, FieldType, /*TInfo=*/0, 3299ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 3300adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3301adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3302adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3303838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3304ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3305ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3306adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3307adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3308319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 33096217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3310319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3311319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3312319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3313319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3314e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3315e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 33162d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3317e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3318bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3319bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 33201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 332185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 332285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 332385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3324a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 332533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3326aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3327199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 33281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 332933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 3330199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck if (sz.isPositive() && type->isIntegralType()) 3331199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 333233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 333333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3334199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3335aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3336199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3337199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3338199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3339199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3340199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 334133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 334233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 33435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// getObjCEncodingForBlockDecl - Return the encoded type for this method 33445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 33455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 33465e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 33475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 33485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 33495e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 33505e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 33515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(cast<FunctionType>(BlockTy)->getResultType(), S); 33525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 33535e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 33545e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 33555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3356199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3357199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 33585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 33595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 33605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3361aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3362199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 33635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 33645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 33655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3366199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 33675e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 33685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 33695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 33705e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 33715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 33725e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 33735e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 33745e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 33755e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 33765e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 33775e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 33785e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 33795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 33805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 33815e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 33825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 33835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 33845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 33855e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3386199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3387aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 33885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 33895e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 33905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3391a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 339233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 33931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3394e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3395c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3396ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3397a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 339833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 33990d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 340033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 340133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 340233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 340333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3404199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 340533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 340633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3407199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 340889951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 340989951a86b594513c2a013532ed45d197413b1087Chris Lattner E = Decl->param_end(); PI != E; ++PI) { 341089951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3411aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3412199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3413199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 341433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 341533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3416199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 341733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3418199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 34191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 342133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 342289951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 342389951a86b594513c2a013532ed45d197413b1087Chris Lattner E = Decl->param_end(); PI != E; ++PI) { 342489951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 34251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 34264306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3427ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3428ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3429ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3430bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3431ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3432ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3433ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3434ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 343533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 34364306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 34370d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3438199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3439aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 344033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 344133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 344233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3443c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 344483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3445c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3446c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 34471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 34481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 34491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 34501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 34511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 345283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 345383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 345483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 345583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 345683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 345783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 345883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 345983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 346083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 346183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 346283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 346383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 346483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 346583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 346683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 346783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 34681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3469c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3470e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3471c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3472c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3473c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3474c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3475c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3476c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 34771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3478c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3479c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 348017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3481653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3482c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3483c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3484c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3485c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3486c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3487c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3488c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3489c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3490c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3491c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 349261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3493c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 349417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3495653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3496c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3497c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3498c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3499c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3500c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3501c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3502c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3503c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 35041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3505c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3506c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3507c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3508c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3509c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3510c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3511c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3512090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3513090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 35141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3515090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3516090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3517c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3518c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3519c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3520c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3521c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3522c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3523c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 35241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3525c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3526c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3527c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3528c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3529c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3530c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3531c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3532c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3533090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3534090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 35351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3536c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3537c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3538077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3539c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3540c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3541c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3542c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3543077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3544c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3545c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3546c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3547c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3548c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 354939f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3550c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3551c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3552c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3553c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3554c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3555a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 35561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 35571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3558a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3559a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3560a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 35618e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3562183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3563c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3564c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3565a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 35661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3567c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3568c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3569a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3570a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3571a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3572a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3573a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 35747d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3575153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 357682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 357782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 357882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 357982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 35801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 35815b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 358282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 358382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 35841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 3585153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD) { 35868b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 35878b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 35888b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 35899a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 35908b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 35918b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 35928b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 35938b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 359401eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 359582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 359682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 359782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3598153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3599090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 36006ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 3601183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = T->getAs<BuiltinType>()) { 3602ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 3603ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return EncodeBitField(this, S, FD); 3604ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner char encoding; 3605ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner switch (BT->getKind()) { 36061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: assert(0 && "Unhandled builtin type kind"); 3607ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Void: encoding = 'v'; break; 3608ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Bool: encoding = 'B'; break; 3609ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_U: 3610ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UChar: encoding = 'C'; break; 3611ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UShort: encoding = 'S'; break; 3612ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt: encoding = 'I'; break; 36131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::ULong: 36141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 36151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q'; 361672696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian break; 3617ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt128: encoding = 'T'; break; 3618ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::ULongLong: encoding = 'Q'; break; 3619ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_S: 3620ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::SChar: encoding = 'c'; break; 3621ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Short: encoding = 's'; break; 3622ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int: encoding = 'i'; break; 36231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::Long: 36241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 36251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q'; 3626ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner break; 3627ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongLong: encoding = 'q'; break; 3628ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int128: encoding = 't'; break; 3629ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Float: encoding = 'f'; break; 3630ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Double: encoding = 'd'; break; 3631ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongDouble: encoding = 'd'; break; 363243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 36331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3634ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += encoding; 3635ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3636ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3638183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3639c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 36401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3641c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3642ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3643ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 364460bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 36456217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 36468d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 36478d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 36488d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 36498d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 365085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson QualType PointeeTy = PT->getPointeeType(); 36518d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3652a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3653a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3654a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3655a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 36561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 36578e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3658a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3659a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3660a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3661a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 36629fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3663a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 36646217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 36656217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3666a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3667a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3668a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3669a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3670a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3671a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3672a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3673a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3674a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 3675a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian const char * s = S.c_str(); 3676a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian int len = S.length(); 3677a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (len >= 2 && s[len-2] == 'n' && s[len-1] == 'r') { 3678a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian std::string replace = "rn"; 3679a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S.replace(S.end()-2, S.end(), replace); 3680a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3681a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 36821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 368385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 368485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 368585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3686e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 368785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 368885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 368985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 36906217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 36919533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 36929533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 36939533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 36949533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 36959533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 36969533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 36979533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 36989533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 36999533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 37009533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 37019533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 370285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 370385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3704a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3705a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 37061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 370743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3708ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3709ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3711ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3712ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3713ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3714559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3715559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3716559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3717559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 37181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3719559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3720559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3721559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 37221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3723559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3724559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3725559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3726559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3727559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3728559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3729559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 37301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3732559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3733559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3734559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3735ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3736ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3738183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3739c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3740ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3741ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37436217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 374482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3745d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3746502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3747502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3748502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 3749502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3750502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3751502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 37520d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 37537d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 375417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 375517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 375644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 375743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3758d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 375944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3760d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3761d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 37621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3763d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 376443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 37651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 376643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3767d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3768a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3769a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 37701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 377143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3772d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 37737d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 37746de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3775d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3776ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3777ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3779ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 37808b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 37818b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian EncodeBitField(this, S, FD); 37828b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 37838b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3784ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3785ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3787ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 378821a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3789ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3790ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 379343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 37940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 379543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 379643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 379743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 379843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 3799f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 380043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 3801f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 380243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 38031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 380443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 380543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 38061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 380743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 380843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 380943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3810ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 381143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 38121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3813183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 381414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 381514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 381614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3817ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 381927d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 382027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 382127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 382227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 382314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 382414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3825ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3827ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 38281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 382914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 383014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 383114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 383214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 383314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 383414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 383567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 383667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 383714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 383814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 383914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 384014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 384114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 384214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 384314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3844ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3846ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3847ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3848ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3849ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 38501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3851ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3852ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 38531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 38541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3855ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 385614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 385714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3858ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3859ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 386027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3861ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 386227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 386367ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 386467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3865ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3866ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3867ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 38681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3869ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3870ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3871ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3872ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3874ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 387585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 387685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 38771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3878ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3879ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3880ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3881ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3882ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3883ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3884ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3885ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3886ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3887ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3888ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3889ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3890ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3891ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3892ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3893ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3894b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 38951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3896b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3897b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3898b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3899ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3900de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 39017e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 39027e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3903ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 390413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3905b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3906b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3907ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3908a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3909390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3910390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3911ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3912de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 39138baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 39148baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3915a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 39161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 39172198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 39181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3919a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 39202198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 39212198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 39220bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 39230bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 3924eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 3925eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 39260bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 39270bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 39287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39290bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 39300bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 39310bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 39320bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 39330bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 3934eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 39350bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 39360bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 39370bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 39380bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 39390bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 39407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 39417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39420bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 39437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 39447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3945d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 3946d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 39471eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 3948d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 39490bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 3950789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 3951d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 3952d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 39531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3954d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 3955d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 39560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3957d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 3958d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 3959d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 3960d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 39611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3962d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 3963d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 3964d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 39657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 39667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 39671eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 39687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 39691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 39703b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 39717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 39737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 39747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 39767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 39777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 39787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 39807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 39817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 39837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 39847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 39857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 39867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 39877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 3988789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 3989789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3990789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 3991789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 39927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 39937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 39957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 39967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 39977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3998ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 3999ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4000ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4001ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 4002ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 4003ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4004ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4005ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4006ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4007ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4008ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4009ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4010789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4011789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4012ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4013ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4014ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4015ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4016ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4017ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4018ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4019ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4020ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4021ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4022789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4023789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4024789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4025789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4026789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4027ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4028ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4029ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4030ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4031ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4032ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4033b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4034d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4035d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4036e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4037b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4038e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4039b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4040b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4041b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4042b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4043b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4044b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4045b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4046b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4047b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4048b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4049b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4050e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4051b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4052b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4053b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4054b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4055b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4056b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4057fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4058fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4059fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4060f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4061fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4062fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4063fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4064fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 406540b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4066fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4067fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 40681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4069fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4070fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 40714fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 40724fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 40734fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 40740953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 40750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 40764fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 40774fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 4078b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 40794fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 40801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 4081a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 40820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 408375212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 40840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 4085a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 40866217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4087a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 4088c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 4089c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 4090f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 40910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 40924fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4093b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 40944fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 40954fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 40966ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 40976ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 40986ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4099770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 41001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 41016ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 41026ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 41036ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4104467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 41056ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 410661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 41076ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 41086ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 41094084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 41104084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 41114084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 41124084c306635b70f37029dca938444e6013f08684Steve Naroff 41134084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 41144084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 41150fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 41160fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 41174084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 411814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 41194084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 41204084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 41214084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 41224084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41234084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41244084c306635b70f37029dca938444e6013f08684Steve Naroff} 412514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 41264084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 41274084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 41284084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 41294084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 41304084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 41314084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 41324084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41334084c306635b70f37029dca938444e6013f08684Steve Naroff} 41344084c306635b70f37029dca938444e6013f08684Steve Naroff 41354084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 41364084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 41374084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 41384084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 41394084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 41401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 41414084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 41424084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 41444084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 41454084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41464084c306635b70f37029dca938444e6013f08684Steve Naroff 41474084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4148183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 41491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41504084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 41511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41524084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 41531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 41544084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 41554084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 41564084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 41574084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 41584084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 41594084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 41604084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 41610fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 41624084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41634084c306635b70f37029dca938444e6013f08684Steve Naroff } 41644084c306635b70f37029dca938444e6013f08684Steve Naroff } 41654084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 41664084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41674084c306635b70f37029dca938444e6013f08684Steve Naroff } 41681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 41694084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 41704084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 41714084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 41724084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4173de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4174de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4175de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4176de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 41774084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 41784084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 41794084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 41804084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 41814084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 41824084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41838f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 41848f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4185de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 41861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 41874084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 41884084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 41894084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 41904084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 41914084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 41924084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 41934084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 41940fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 41954084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41964084c306635b70f37029dca938444e6013f08684Steve Naroff break; 41974084c306635b70f37029dca938444e6013f08684Steve Naroff } 41984084c306635b70f37029dca938444e6013f08684Steve Naroff } 41994084c306635b70f37029dca938444e6013f08684Steve Naroff } 42004084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4201de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4202de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 42031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4204de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4205de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 42061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42074084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 42084084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 42094084c306635b70f37029dca938444e6013f08684Steve Naroff 42101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 42114084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 42124084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 42134084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 42144084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 42154084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 42164084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 42174084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 42184084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 42194084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 42200fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 42214084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 42224084c306635b70f37029dca938444e6013f08684Steve Naroff break; 42234084c306635b70f37029dca938444e6013f08684Steve Naroff } 42244084c306635b70f37029dca938444e6013f08684Steve Naroff } 42254084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 42264084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42274084c306635b70f37029dca938444e6013f08684Steve Naroff } 42284084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42294084c306635b70f37029dca938444e6013f08684Steve Naroff } 42301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 42314084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 42324084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 42334084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 42344084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 42354084c306635b70f37029dca938444e6013f08684Steve Naroff 42364084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 42374084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 42384084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 42394084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 42404084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 42414084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 42424084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 42434084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 42444084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 42454084c306635b70f37029dca938444e6013f08684Steve Naroff break; 42464084c306635b70f37029dca938444e6013f08684Steve Naroff } 42474084c306635b70f37029dca938444e6013f08684Steve Naroff } 42484084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 42494084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42504084c306635b70f37029dca938444e6013f08684Steve Naroff } 42514084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42524084c306635b70f37029dca938444e6013f08684Steve Naroff } 42534084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42544084c306635b70f37029dca938444e6013f08684Steve Naroff} 42554084c306635b70f37029dca938444e6013f08684Steve Naroff 42564084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 42574084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 42584084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 42594084c306635b70f37029dca938444e6013f08684Steve Naroff/// 42604084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 42614084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 42624084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 42634084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHSOPT->isObjCBuiltinType() || RHSOPT->isObjCBuiltinType()) 42644084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42654084c306635b70f37029dca938444e6013f08684Steve Naroff 42664084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 42671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 42681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 42694084c306635b70f37029dca938444e6013f08684Steve Naroff false); 42704084c306635b70f37029dca938444e6013f08684Steve Naroff 42714084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 42724084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 42734084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHS && RHS) // We have 2 user-defined types. 42744084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 42751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42764084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 427714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 427814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4279e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4280e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4281e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4282e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4283e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4284e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4285e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4286e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4287e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4288e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4289e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4290e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4291e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4292e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4293e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4294e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4295e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4296e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4297432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4298432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Context.CollectInheritedProtocols(LHS->getDecl(), LHSInheritedProtocols); 4299e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4300e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4301e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4302e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4303e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4304e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4305e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl **RHSProtocols = (ObjCProtocolDecl **)RHS->qual_begin(); 4306e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4307e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4308e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4309e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4310e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4311432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4312e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian Context.CollectInheritedProtocols(RHS->getDecl(), RHSInheritedProtocols); 4313432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4314432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4315432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4316432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4317432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4318e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4319e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4320e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4321db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4322db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4323db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4324db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4325db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4326db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4327db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4328db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4329db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4330db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian if (!LHS || !RHS) 4331db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4332db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4333db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian while (const ObjCInterfaceDecl *LHSIDecl = LHS->getDecl()->getSuperClass()) { 4334db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian QualType LHSTy = getObjCInterfaceType(LHSIDecl); 4335db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian LHS = LHSTy->getAs<ObjCInterfaceType>(); 4336e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4337e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVector<ObjCProtocolDecl *, 8> IntersectionOfProtocols; 4338e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian getIntersectionOfProtocols(*this, 4339e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSOPT, RHSOPT, IntersectionOfProtocols); 4340e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (IntersectionOfProtocols.empty()) 4341e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSTy = getObjCObjectPointerType(LHSTy); 4342e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else 4343e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSTy = getObjCObjectPointerType(LHSTy, &IntersectionOfProtocols[0], 4344e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.size()); 4345e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian return LHSTy; 4346e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4347db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4348db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4349db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4350db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4351db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 43523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 43533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS) { 43546ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 43556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 43566ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner if (!LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 43576ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 43581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43596ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 43606ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4361c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 43626ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 43631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43646ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 43656ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4366c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 43676ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 43681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4369c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff for (ObjCInterfaceType::qual_iterator LHSPI = LHS->qual_begin(), 4370c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff LHSPE = LHS->qual_end(); 437191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 437291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 437391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 437491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 437591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4376c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff for (ObjCInterfaceType::qual_iterator RHSPI = RHS->qual_begin(), 43774084c306635b70f37029dca938444e6013f08684Steve Naroff RHSPE = RHS->qual_end(); 43788f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 43798f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 438091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 43818f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 43828f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 438391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 438491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 438591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 438691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 438791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 438891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 438991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 43906ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 43916ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4392389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4393389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4394183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4395183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 43961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 439714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4398389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 439914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 440014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 440114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4402389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4403389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 44041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4405ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 44061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4407ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 44083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 44090e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 44100e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 44110e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 44123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 44133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 44143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44153d815e7eb56c25d7ed812eced32e41df43039f9aEli FriedmanQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs) { 4416183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4417183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 441872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 441972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 44203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 44213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 44223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 44246de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian QualType retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 44253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 44266de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 442761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 44286de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 442961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 44306dcbc294f9b2c45680dd3227e885712c2814ec0eMike Stump // FIXME: double check this 44312455636163fdd18581d7fdae816433f886d88213Mike Stump bool NoReturn = lbase->getNoReturnAttr() || rbase->getNoReturnAttr(); 44322455636163fdd18581d7fdae816433f886d88213Mike Stump if (NoReturn != lbase->getNoReturnAttr()) 44332455636163fdd18581d7fdae816433f886d88213Mike Stump allLTypes = false; 44342455636163fdd18581d7fdae816433f886d88213Mike Stump if (NoReturn != rbase->getNoReturnAttr()) 44352455636163fdd18581d7fdae816433f886d88213Mike Stump allRTypes = false; 4436ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv lcc = lbase->getCallConv(); 4437ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv rcc = rbase->getCallConv(); 4438ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 443904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4440ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 44411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4443465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4444465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 44453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 44463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 44473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 44493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 44503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 44533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 44543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44567fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 44577fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 44587fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 44593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 44603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 44613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 44623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 44633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 44643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argtype = mergeTypes(largtype, rargtype); 44653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 44663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 446761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 446861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 446961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 447061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 44713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 44752455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 44761bf40248e3f0d743df77b5b44dbff72c235cbf20Douglas Gregor false, false, 0, 0, NoReturn, lcc); 44773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 44803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 44813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 448272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 44833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4484465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 44853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 44863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 44873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 44883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 44893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 44903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 44913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 44923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 44933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4494b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4495b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4496b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4497b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4498b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4499b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 45003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 45013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 45023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 45033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 45043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 45063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 45073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 45082d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4509ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor proto->getTypeQuals(), 4510ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor false, false, 0, 0, NoReturn, lcc); 45113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 45123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 45143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4515ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return getFunctionNoProtoType(retType, NoReturn, lcc); 45163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 45173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45183d815e7eb56c25d7ed812eced32e41df43039f9aEli FriedmanQualType ASTContext::mergeTypes(QualType LHS, QualType RHS) { 451943d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 452043d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 452143d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 45227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 45237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 45240e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 45250e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 45260e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 45273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 45283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 45293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4530f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 45313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 45323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 45333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4535a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4536a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 45370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 45380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 45390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 45400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 45410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 45420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 45430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 45450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 45460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 45470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 45480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 45490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 45500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 45510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 45520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 45540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 45550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 45570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 45580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 45600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 45610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 45630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 45663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4567852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4568852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4569f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 45701adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 45711adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 45721adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 45731adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 45744c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 45754c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4576a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4577a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4578a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4579a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 45801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4581213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4582213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4583213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 45841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45854e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 45864e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 45871adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 45881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4589842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4590842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4591183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 45923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 45933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4594bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4595183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 45963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 45973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4598bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 45991adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 46003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4601ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 46023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46034a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 46041adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 460572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 460672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4607ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 460872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 460972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 461072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 461172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 461272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 461372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 46147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 46157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 461672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 461772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 461872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 461972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 462072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 462172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 462272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 462372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 462472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 462572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 462672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 46271adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 46283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 46293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 46306217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 46316217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 46323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 46333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 463407d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 463561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 463607d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 463761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 46393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4640c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4641c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4642c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 46436217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 46446217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4645c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 4646c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4647c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4648c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4649c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4650c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4651c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4652c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 46531adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 46543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 46553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 46563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 46573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 46583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 46613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 46623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 46633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 466461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 466561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 466661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 466761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46683bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 46693bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46703bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 46713bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 46733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 467461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 467561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 467661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 467761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 46793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 46813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 46833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 46853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 46873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 46893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46903bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 46913bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 46927e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 46937e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 46943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46951adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 46963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return mergeFunctionTypes(LHS, RHS); 469772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 469872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 46993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 47001adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 47013cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 47023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 470364cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 470464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 470564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 47063cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 47075a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 4708183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (areCompatVectorTypes(LHS->getAs<VectorType>(), RHS->getAs<VectorType>())) 47093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 471061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 471161490e9a965cfee8a78c12c6802138844f04250dCedric Venet case Type::ObjCInterface: { 47125fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff // Check if the interfaces are assignment compatible. 47135a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 47145a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4715183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCInterfaceType* LHSIface = LHS->getAs<ObjCInterfaceType>(); 4716183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCInterfaceType* RHSIface = RHS->getAs<ObjCInterfaceType>(); 47175fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff if (LHSIface && RHSIface && 47185fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff canAssignObjCInterfaces(LHSIface, RHSIface)) 47195fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 47205fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 47213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 472261490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 472314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4724183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4725183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 472614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 472714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4728bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 472914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4730ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 473172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 473272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4733ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 47347192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 47355426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 4736ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 4737ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 473888054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 4739ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 4740632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 4741ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 4742842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 474329a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 4744f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 4745ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 4746ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4747ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 4748ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 4749ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 47506a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47516a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 47526a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 47536a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 475482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VTy->getNumElements(), VTy->isAltiVec(), VTy->isPixel()); 47556a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47566a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 47576a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 4758ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 47596a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47606a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 47616a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 4762ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 4763ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 4764ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 4765ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 4766ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 4767ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 4768ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 4769ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 4770ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 4771ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 4772ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 4773ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 47742df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 47752df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 4776ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 4777ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 4778ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 4779ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 4780ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4781ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 47822cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 47832cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 47842cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 478586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 478686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 478786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 478886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 478986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 479086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 479186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 479286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 47931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 479486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 479586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 479686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 479786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 479886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 47991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 480086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 480186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 480286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 480386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 48041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 480586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 480686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 480786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 480886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 480986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 481086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 481186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 481286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 481386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 481486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 481586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 481686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 481786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 481886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 481986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 482086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 482186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 482286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 48231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 482486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 482586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 482686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 482786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 482886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 482986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 483086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 483186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 483286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 483386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 483486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 483586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 483686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 483786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 483886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 483986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 484086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 484186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 484286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 484386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 484486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 484586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 484686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 484786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 484886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 484986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 485086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 485186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 485286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 485386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 485486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 485586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 485686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 485786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 485886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 485986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 486086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 486186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 486286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 486386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 486486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 486586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 486686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 486786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 486886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 486986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 487086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 487186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 487286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 487386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 487486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 487586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 487686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 487786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 487886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 487986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 488086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 488186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 488286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 488386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 488486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 488586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 488686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 488786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 488886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 488986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 489086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 489186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 489286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 489386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 489486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 489586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 489686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 489786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 489886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 489986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 490086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 490186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 490286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 490386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 490486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 490586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 490686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 49071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 490886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 49091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 491086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 491182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson // FIXME: Don't know what to do about AltiVec. 491282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Type = Context.getVectorType(ElementType, NumElements, false, false); 491386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 491486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4915d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 4916d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 4917d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 4918d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 4919d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 49209a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 4921c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 4922c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 4923f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 492486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 492586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4926fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 49279a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 4928f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 4929782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 4930f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 4931f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 4932f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 4933fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 4934f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 4935fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 4936fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 4937fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 4938782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 49391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 494086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 494186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 49421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 494386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 494486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 494586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 494686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 494786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 494886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getPointerType(Type); 494986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 495086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 495186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 495286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 495386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 495486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 49550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 495686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 4957013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian case 'D': 4958013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian Type = Context.getVolatileType(Type); 4959013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian break; 496086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 496186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 49621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 496386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 496486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 496586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 496686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 496786df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 496886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 496986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 49701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 497186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 49721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 497386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 497486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 497586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 497686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 497786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 497886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 497986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 498086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 498186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 498286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 498386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 498486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 49851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 498686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 498786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 498886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 498986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 499086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 499186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 499286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 499386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 499486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 4995ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 4996ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 499786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 4998ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 4999ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor false, CC_Default); 500086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5001a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5002a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5003a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5004a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5005a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5006a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5007a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5008a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5009a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5010a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5011a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5012a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5013a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5014a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5015a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5016a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5017a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5018a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5019a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5020a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5022a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5023a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5024a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5025a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 50281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5029a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5030a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5031a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 50321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5033a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5034a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5035a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 50361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5037a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5038a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5039a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5040a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 50411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 50421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 50431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 50441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5045a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 50461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5047a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 50481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5049a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5050a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 50511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5053a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 50541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5055a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 50561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5057a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5058a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5059a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5060a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5061a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5062a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5063a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5064a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5065a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5066a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5067a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5068a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5069a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5070a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5071a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5072a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5073a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5074a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5075a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5076a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5077a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5078a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5079a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5080a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5081a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5082a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5083a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 50841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5085a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5086a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5087a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5088a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5089a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5090a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5091a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5092a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5093a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5094a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5095a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5096a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5097a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5098a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5099a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5100a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5101a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 51021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5103a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5104a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5105a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5106a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5107a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5108a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5109a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5110a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5111a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5112a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5113a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5114a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5115a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5116a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5117a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman bool lhsSigned = lhs->isSignedIntegerType(), 5118a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsSigned = rhs->isSignedIntegerType(); 5119a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5120a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5121a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5122a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5123a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5124a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5125a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5126a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5127a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5128a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5129a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5130a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5131a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5132a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5133a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5134a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5135a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5136a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5137a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5138a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5139a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5140a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 5141