ASTContext.cpp revision ea1471e0e967548c596a71469702f8846dbaf3c0
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" 21ea1471e0e967548c596a71469702f8846dbaf3c0John McCall#include "clang/AST/ExprCXX.h" 222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 2319cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 241b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 25a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 27f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 296fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 30f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 3129445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson#include "RecordLayoutBuilder.h" 3229445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3961710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 40444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 41e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 421b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool FreeMem, unsigned size_reserve) : 441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0), 452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl(0), 46782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 47083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 48c6fbbedb3e90ff2f04828c36fd839e01468679f5Douglas Gregor SourceMgr(SM), LangOpts(LOpts), FreeMemory(FreeMem), Target(t), 492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 50ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 51ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 52ac9590effa90406767a544005ed1de52e258306bTed Kremenek ExternalSource(0), PrintingPolicy(LOpts), 530c01d18094100db92d38daa923c95661512db203John McCall LastSDM(0, 0) { 540f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 550f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 56369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian ObjCSelRedefinitionType = QualType(); 571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 58e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 5914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 60e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 61e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 633478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 643478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 653478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 707d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 717d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 723478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 73bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek if (FreeMemory) { 74bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Deallocate all the types. 75bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek while (!Types.empty()) { 76bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.back()->Destroy(*this); 77bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.pop_back(); 78bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 79b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman 80bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek for (llvm::FoldingSet<ExtQuals>::iterator 81bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek I = ExtQualNodes.begin(), E = ExtQualNodes.end(); I != E; ) { 82bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Deallocate(&*I++); 84bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 86503524acc73f2f8280080ca0d200377406001b65Ted Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 87503524acc73f2f8280080ca0d200377406001b65Ted Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 88503524acc73f2f8280080ca0d200377406001b65Ted Kremenek // Increment in loop to prevent using deallocated memory. 89503524acc73f2f8280080ca0d200377406001b65Ted Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 90503524acc73f2f8280080ca0d200377406001b65Ted Kremenek R->Destroy(*this); 91503524acc73f2f8280080ca0d200377406001b65Ted Kremenek } 92b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 93503524acc73f2f8280080ca0d200377406001b65Ted Kremenek for (llvm::DenseMap<const ObjCContainerDecl*, 94503524acc73f2f8280080ca0d200377406001b65Ted Kremenek const ASTRecordLayout*>::iterator 95503524acc73f2f8280080ca0d200377406001b65Ted Kremenek I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) { 96503524acc73f2f8280080ca0d200377406001b65Ted Kremenek // Increment in loop to prevent using deallocated memory. 97503524acc73f2f8280080ca0d200377406001b65Ted Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 98503524acc73f2f8280080ca0d200377406001b65Ted Kremenek R->Destroy(*this); 99503524acc73f2f8280080ca0d200377406001b65Ted Kremenek } 100b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 101b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 102ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor // Destroy nested-name-specifiers. 1031ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor for (llvm::FoldingSet<NestedNameSpecifier>::iterator 1041ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNS = NestedNameSpecifiers.begin(), 1051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNSEnd = NestedNameSpecifiers.end(); 106bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek NNS != NNSEnd; ) { 107bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 1081ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor (*NNS++).Destroy(*this); 109bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 110ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 111ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor if (GlobalNestedNameSpecifier) 112ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier->Destroy(*this); 113ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 114b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman TUDecl->Destroy(*this); 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 1182cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 1192cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 1202cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 1212cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 1257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 126dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 128dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 129dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 130dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 131dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 132c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 135dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 138dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 139dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 140dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 141dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 142dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 143dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 144dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 145dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 146dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 148dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 1492cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1502cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 1512cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 1522cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 1532cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 157e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 1586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 159e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 1606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 1651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 1681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 17215b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 1821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 1891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 19464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 1952df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 1962df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 1972df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 1982df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 1993a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 2003a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 2013a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 2023a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 20364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 204f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 205f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 206f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 207f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 208f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 209f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 210f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 211f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 212f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 213f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2148e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 215898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 216898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 217898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 218898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 219898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 220898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 221898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 222898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 2238e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 225e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 226e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 2271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 2328e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2337e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 2341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 235de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 236de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 237de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 23813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 2391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 241de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 242de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 24313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 24414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 245a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 24833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 2496e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 2506e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 2516e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 254251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 255663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 2567caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 257663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 2587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 2597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 2607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 2611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 2637caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2647caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 266251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 267251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK) { 2687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 2697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 2707caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 2717caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 272251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 273251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor = new (*this) MemberSpecializationInfo(Tmpl, TSK); 2747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2767ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 277ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 2787ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 279ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 280ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 2810d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 2821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2830d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 2840d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 2850d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 2860d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 287ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 288ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 289ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 290ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 291ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 292ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 293ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 294ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 295ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 296ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 297ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 298ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 299ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 300ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 301ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 302ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 303ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 304ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 305ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 306ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 307ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 308ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 309ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 310ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 3110d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 3120d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 313d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 314d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 315d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 316d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 317d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 319d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 320d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 321d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 322d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 323d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 324d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 325d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 326d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 327d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 329d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 330d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 331d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 3327d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3337d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 3347d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3357d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3367d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3377d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3387d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3397d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 3407d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3417d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3427d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 3447d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 3507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 3537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 3547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 3557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3572e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregornamespace { 3581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump class BeforeInTranslationUnit 3592e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor : std::binary_function<SourceRange, SourceRange, bool> { 3602e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceManager *SourceMgr; 3611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3622e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor public: 3632e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { } 3641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3652e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool operator()(SourceRange X, SourceRange Y) { 3662e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin()); 3672e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3682e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor }; 3692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 3702e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 371464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 372464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 373464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 374a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 375b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 376b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 377b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 378183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 379b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 380b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 381b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 382b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 383b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 384b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 385b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 386b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 387b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 3888b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 389af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 390af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 3915d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 3925d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 3938b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 394dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 395dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 39640b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 397bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Align, AA->getMaxAlignment()); 398dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 399af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 400af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 4016217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 4025d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 4035d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 4045d484e8cf710207010720589d89602233de61d01Sebastian Redl else 4055d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 4065d484e8cf710207010720589d89602233de61d01Sebastian Redl } 4075d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 4084cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 409dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 410dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 411dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 412dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 413dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 41405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 41505f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 41605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 41705f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 41805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 41905f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 420af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 421dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 4228b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 423af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 424b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 425ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 426ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 427ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 428ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 429ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 430ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 431ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 432ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 433ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 434ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 435ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 436ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 437a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 438a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 4420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 443d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 4441d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 4455e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 4465e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 447a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 44872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 44972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 45018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 45172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 45272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 45318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 45472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 45572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4565d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 4575d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 45818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 45918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 46018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 46118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 46218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 46372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 464fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 46518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 46618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 46718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 46818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 469fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 4701d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47298be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 4739e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 474030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 475030d8846c7e520330007087e949f621989876e3aChris Lattner break; 4765c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 477213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 478030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 4799fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 4809fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 4819fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 4824bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 4836fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 4846fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 4858eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 4869fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 4879fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 4889fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 489030d8846c7e520330007087e949f621989876e3aChris Lattner break; 490030d8846c7e520330007087e949f621989876e3aChris Lattner } 4915d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 4929e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 493a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 494692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 495d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 49618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 49718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 49818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 49918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 50018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 5016f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 5029e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 5039e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 5046f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 505692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 506692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 507692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 5086f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 5099e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 5109e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 5116f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 51264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 51364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 51464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 51564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 516f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 517f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 518f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 519f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 520f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 521f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 522f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 523f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 524692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 5256f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 5269e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 5279e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 5286f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 529692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 5306f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 5319e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 5329e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 5336f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 534692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 5356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 5369e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 5379e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 5386f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 539692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 5406f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 5419e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 5429e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 5436f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 544ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 545ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 546ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 547ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 548ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 5496f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 5509e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 5519e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 5526f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5536f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 5545426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 5555426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 5566f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5576f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 5589e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 5599e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 5606f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5616e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 5626e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 5636e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 5641590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 565a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 566bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 567d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 5685426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 569f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 5706f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 571485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 572485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 573485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 574485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 575485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 576485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 5775d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 5785d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 5795d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 5805d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 5815d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 5825d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 5835d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 5845d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 5855d484e8cf710207010720589d89602233de61d01Sebastian Redl } 586f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 587f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 5885426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 589f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 590f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 591f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 592f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 593f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 5951cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 5961cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Width = PtrDiffInfo.first; 597f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 598f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 5991cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 6001cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 601f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 6025d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 6035d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 6045d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 60698be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 6079e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 6085d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 6095d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 6105d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 611c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 612c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 61344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 6141d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 61544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 61644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 61744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 61844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 61944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 62072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 62172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 6221d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 6231d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 6241d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 6258389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 6268389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 6278389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 6288389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6301d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 6317176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 6327176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 6331d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 6347176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 6357176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 6367176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 637dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 638a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 6397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 6409fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 64149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 64249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 64349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 64418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 64518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 64640b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 647bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Aligned->getMaxAlignment(), 648bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt getTypeAlign(Typedef->getUnderlyingType().getTypePtr())); 64918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 65018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 65118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 6527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 6537176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 65418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 65518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 65618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 65718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 65818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 65918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 66018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 66118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 662395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 663395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 664395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 665395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 666465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 667465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 6681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 66918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 6701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 67118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 67218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 67318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 67418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 67518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 67618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 678464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 6799e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 680a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 681a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 682bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 683bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 684bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 685199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 686bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 687bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 688199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 689bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 690bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 69116e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 69286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 69386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 69486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 69586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 69686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 69786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 69886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 69986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 70034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 70134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 70234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 70334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 70434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 70534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 7061eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 7071eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 708183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 7091eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 7101eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 7111eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 7121eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 7131eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 71434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 71534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 71634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 717a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 718a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 719a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 720a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 721a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 722f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 723a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 724a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 725a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 726a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 727a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 728a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 729a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 730a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 731a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 732a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 733a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 734a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 7358e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 7368e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 7378e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 7388e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 73911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7408e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 7418e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 7428e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 7438e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 74411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 74511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian CollectNonClassIvars(OI, Ivars); 7468e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 7478e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 74811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// CollectNonClassIvars - 74911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// This routine collects all other ivars which are not declared in the class. 7507d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek/// This includes synthesized ivars (via @synthesize) and those in 7517d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek// class's @implementation. 7529820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 75311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanianvoid ASTContext::CollectNonClassIvars(const ObjCInterfaceDecl *OI, 7549820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7550e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian // Find ivars declared in class extension. 7560e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) { 7570e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(), 7580e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian E = CDecl->ivar_end(); I != E; ++I) { 7590e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian Ivars.push_back(*I); 7600e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 7610e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 76211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 7637d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // Also add any ivar defined in this class's implementation. This 7647d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // includes synthesized ivars. 76511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) { 76611062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(), 76711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian E = ImplDecl->ivar_end(); I != E; ++I) 76811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 76911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 7709820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 7719820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 772e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 773e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 774e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 775432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 776e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 777e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 778e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 779e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 780432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 781e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 782b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 783b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 784e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 785e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 786b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 787e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 788e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 789e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 790e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 791e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 792e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 793e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 794e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 795e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 796e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 797b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 798e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 799e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 800e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 801432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 802e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 803e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 804e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 805e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 806b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 807e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 808e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 809e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 810432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 811e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 812e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 813e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 814e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 815e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 816e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 817e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 8183bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 8193bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 8203bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 821b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) 822b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 823b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8243bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 8253bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 8263bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 827b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 828b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8298e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 8308e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8318e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8328a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 8338a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 8348a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8358a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8368a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8378a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 8388a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8398a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8408a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 8418a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 8428a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8438a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8448a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8458a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 8468a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8478a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8488a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 8498a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 8508a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 8518a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 8528a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 8538a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 8548a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8558a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 8568a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 8578a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 8588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 8598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 8608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 862a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 863b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 864a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 865b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 866b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 867b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 868b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 869b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 870a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 871109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 872109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 873109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 874109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 875109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 876a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 877109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 878a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 879a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 880a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 881a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 882b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 883b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 884a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 885a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 886a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 887a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 888a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 889a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 890a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 891b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// getInterfaceLayoutImpl - Get or compute information about the 892b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// layout of the given interface. 893b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// 894b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// \param Impl - If given, also include the layout of the interface's 895b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// implementation. This may differ by including synthesized ivars. 89644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patelconst ASTRecordLayout & 897b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getObjCLayout(const ObjCInterfaceDecl *D, 898b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ObjCImplementationDecl *Impl) { 899532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar assert(!D->isForwardDecl() && "Invalid interface decl!"); 900532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar 90144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Look up this layout, if already laid out, return what we have. 9021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCContainerDecl *Key = 903d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar Impl ? (ObjCContainerDecl*) Impl : (ObjCContainerDecl*) D; 904d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar if (const ASTRecordLayout *Entry = ObjCLayouts[Key]) 905d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar return *Entry; 90644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 907453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // Add in synthesized ivar count if laying out an implementation. 908453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar if (Impl) { 9093bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned SynthCount = CountNonClassIvars(D); 910d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar // If there aren't any sythesized ivars then reuse the interface 911453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entry. Note we can't cache this because we simply free all 912453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entries later; however we shouldn't look up implementations 913453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // frequently. 9148e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if (SynthCount == 0) 915453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar return getObjCLayout(D, 0); 916453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar } 917453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar 9181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 91929445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D, Impl); 92029445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ObjCLayouts[Key] = NewEntry; 9211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 92244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel return *NewEntry; 92344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel} 92444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 925b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 926b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 927b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 928b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 929b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 930b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 931b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 932b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 933b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 934b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 93588a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel/// getASTRecordLayout - Get or compute information about the layout of the 936464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// specified record (struct/union/class), which indicates its size and field 937464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// position information. 93898be4943e8dc4f3905629a7102668960873cf863Chris Lattnerconst ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) { 939952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor D = D->getDefinition(); 9404b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek assert(D && "Cannot get layout of forward declarations!"); 9414bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 942464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Look up this layout, if already laid out, return what we have. 943ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // Note that we can't save a reference to the entry because this function 944ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // is recursive. 945ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman const ASTRecordLayout *Entry = ASTRecordLayouts[D]; 946464175bba1318bef7905122e9fda20cff926df78Chris Lattner if (Entry) return *Entry; 9474bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 9481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 94929445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D); 950ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman ASTRecordLayouts[D] = NewEntry; 9511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9528d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar if (getLangOptions().DumpRecordLayouts) { 9538d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar llvm::errs() << "\n*** Dumping AST Record Layout\n"; 9548d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar DumpRecordLayout(D, llvm::errs()); 9558d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar } 9568d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar 9575d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner return *NewEntry; 958464175bba1318bef7905122e9fda20cff926df78Chris Lattner} 959464175bba1318bef7905122e9fda20cff926df78Chris Lattner 960f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlssonconst CXXMethodDecl *ASTContext::getKeyFunction(const CXXRecordDecl *RD) { 961952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor RD = cast<CXXRecordDecl>(RD->getDefinition()); 962f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(RD && "Cannot get key function for forward declarations!"); 963f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 964f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson const CXXMethodDecl *&Entry = KeyFunctions[RD]; 965f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson if (!Entry) 966f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson Entry = ASTRecordLayoutBuilder::ComputeKeyFunction(RD); 967f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson else 968f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(Entry == ASTRecordLayoutBuilder::ComputeKeyFunction(RD) && 969f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson "Key function changed!"); 970f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 971f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson return Entry; 972f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson} 973f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 974a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 975a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 976a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 977a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 9780953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 9790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 9800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 9810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 9830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 9840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 9850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 9860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 9870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 9880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 9890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 9910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 9930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 9940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 9950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 9970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9980953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 9990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 10000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 10010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 10050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 10070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1009f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1010f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1011f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1012f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1013b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 10140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 10200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 10220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 10230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 10241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1026ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1027ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1028b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 10290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1030d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1031b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1032d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 10331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10344027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 10356217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 103658f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 10374027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 10384027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 10394027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10404027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 10480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 10500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 10510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1054d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1055a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1056264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1057264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 10580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 105943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 106043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1061264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 106243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 106343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1064ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1065ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 106643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 106743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 106843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1069264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 107043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 107143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1072ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1073ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1074ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1075264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 107643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1077ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 107843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1079ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1080264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 108243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 10830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1084ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1085ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1086ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1087ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1088ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1089ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1090ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1091264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 109343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 109443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1095ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1096ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1097ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1098ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1099ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1100425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1101264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1102264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1103ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1104ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1105ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1106425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1107264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1108264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 11092455636163fdd18581d7fdae816433f886d88213Mike Stump} 11102455636163fdd18581d7fdae816433f886d88213Mike Stump 1111425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1112425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1113425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1114425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1115425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1116425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1132467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1133f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1137f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 11425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1160467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1161f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 11621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1165f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 11745618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 11755618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1176296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1177296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 11785618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 11795618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 11805618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 11835618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 11845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11855618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 11885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 11895618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1190467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 11915618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 11921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11935618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 11945618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 11955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1196f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11975618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 11996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 12005618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 12015618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 12025618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 12035618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 12045618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 12067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 120754e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 121154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 12157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 12177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 121854e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 121954e14c4db764c0636160d26c5bbf491637c83a76John McCall 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 122354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 122454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 122554e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 12267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 12287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 12297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 12307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 123454e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 123554e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 12367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 12377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 123854e14c4db764c0636160d26c5bbf491637c83a76John McCall 12397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 12407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 12417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 12437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 12447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 12457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 12467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 12477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 124854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 12497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 12517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 12527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 12547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 125554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 125654e14c4db764c0636160d26c5bbf491637c83a76John McCall 12577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 12587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 12597c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 126054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 126154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 126254e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 12637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 12667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1267f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12706b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 12716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1277f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1278f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1280f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1281f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1282f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1283f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1284f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1285f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1286f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1287f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1288f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1289f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1290f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1291f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1292f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 129387c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1294f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1295f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1296f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1297f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1298f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1299f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1300f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 13016b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 13026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1303f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1304f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1305f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1306f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1307f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 13081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1309fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 13101eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 131138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1312c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1313c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1314923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1315923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1316587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1317587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 131838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 131938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 132038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 132138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13240be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 13251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 13287192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 13295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 13325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1334467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 13351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1336c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 13375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 13397192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1340f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 13446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 13457192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 13465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1350bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1351bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 13527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 13537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1354c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 13557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1357c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1358c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1359c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 13606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 13616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType(EltTy, QualType(), NumElts, ASM, EltTypeQuals, Brackets); 1362c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1363c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1364c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1365c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1366c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1367c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1368898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1369898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 137004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 13717e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 13727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1373898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 13747e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13757e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1376cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1377cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1378898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1379898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 138004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1381cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1382789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1383cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1384cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1385cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1386cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1387cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1388cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1389cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1390cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1391cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1392cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1393cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 139404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 139504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 139604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 139704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 13986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 14006b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 140104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 140204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 140304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 14046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 14066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1407cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1408789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1409789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1410789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1411789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1412789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1413cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1414789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 141504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 141604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 141704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 141804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 14196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 14216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 142204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 142304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1425898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1426898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1427898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1428898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1429c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1430c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1431c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1432c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 14330be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1434c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1435c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 14361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1437c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1438c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1439c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1440c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1441c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1442c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1443c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1444467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1445f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 14462bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1447c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1448c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1449c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1450c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1451f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14522bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1453c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 14546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 14556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1456c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1457c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1458c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1459c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1460fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1461fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 146273322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 146373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 146482287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 146582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool IsAltiVec, bool IsPixel) { 14665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1468f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 146973322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 14725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 147382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::Vector, 147482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson IsAltiVec, IsPixel); 14755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 14775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 14785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 14805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 148282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson if (!vecType.isCanonical() || IsAltiVec || IsPixel) { 148382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Canonical = getVectorType(getCanonicalType(vecType), 148482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson NumElts, false, false); 14851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1488f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14906b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 149182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(vecType, NumElts, Canonical, IsAltiVec, IsPixel); 14925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 14935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1497213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 149873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1499213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 150073322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 15011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1502f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1503213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 15041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 150673322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 150782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, false, false); 150873322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 150973322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 151073322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 151173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 151273322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 151373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 151473322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1515467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1516213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 15171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 151873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 151973322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1520f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 152173322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 15226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 15236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 152473322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 152573322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 152673322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 152773322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 152873322924127c873c13101b705dd823f5539ffa5fSteve Naroff 15291eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 15309cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 15319cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 15322ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 15331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 15342ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 15351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15362ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 15372ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 15382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 15392ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 15402ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 15412ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 15422ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 15436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 15456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 15462ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15472ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 15482ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 15496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 15516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1552789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1553789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1554789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1555789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1556789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 15572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 15582ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15592ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 15602ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 15616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 15632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15642ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15669cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 15679cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 15689cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 15699cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 157072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 15715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1572264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1573264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1574264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 15755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1578264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 15791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 158272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 15835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1586ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 158704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1588264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1589264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1590264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 15911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 159372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 159472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1595f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1599264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 160172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 16065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 160761710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1608971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1609465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1610465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1611264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1612264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1613264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 16145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 161772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1618465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1619264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 16205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 162372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1625465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1626465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 162754e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 16285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 162954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 16305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 16315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1633465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 16345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 163504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 16365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 16375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 163954e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1640465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1641f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1642beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 164347259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1644264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1645264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1646465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 16475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 164872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 164972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1650f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1652465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 165372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1654465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1655465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 16561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1657465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1658465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 16596b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 166072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1661465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1662264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 16635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 166472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 16655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 16665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 16693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 16703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 16713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 16723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 16733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 16753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 16763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 16783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 16803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 16823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 16833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 16843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 16853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 16863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 16873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else if (CXXRecordDecl *PrevDecl 16893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast_or_null<CXXRecordDecl>(Decl->getPreviousDeclaration())) { 16903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 16913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 16923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 169431f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 169531f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 16963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 16973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 16983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 16993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17012ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 17022ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1703becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 17041e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1705becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 17061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 170719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 17082ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1709becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1710becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1711becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1712becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 171319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1714becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1715becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1716becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1717becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Record); 171819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1719becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1720becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1721becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Enum); 172219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1723ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1724ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 17259fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1726becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 172749aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1728becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 172949aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 17302ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 17312ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 17325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 17335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 173419c8576b7328f4dc2d07682f5da552875c1912efJohn McCallQualType ASTContext::getTypedefType(const TypedefDecl *Decl) { 17355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 17361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1737f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 17386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 17396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 17405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 17415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 17425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 174449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 174549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 174649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 174749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1748467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 174949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 175049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 175149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 175249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 175349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 175449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 175549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 175649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 175749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 175849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 175949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 176049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 176149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 176249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 176349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 176449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 176549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 176649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1767fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 17681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 176976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 17701eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 177176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1772fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name) { 1773fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 177476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1775fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 17761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1777fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1778fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1779fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1780fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 17811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 178276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson if (Name) { 178376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 17846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 17856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1786789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1787789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1788789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1789789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1790789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 179176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 17926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 17936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1794fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1795fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1796fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1797fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1798fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1799fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1800fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 18013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 18023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 18033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 18043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 18053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 18063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 18073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 18093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 18103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 18113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 18123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 18133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 18143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 18153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 18163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 18173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18191eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 18207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1821d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 182231f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 182331f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1824d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1825d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1826833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1827833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1828833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1829833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1830833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 183131f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 183231f17ecbef57b5679c017c375db330546b7b5145John McCall Canon, IsCurrentInstantiation); 1833833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1834833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1835833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1836833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 18377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 18387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 183931f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 184031f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1841b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1842b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 1843b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor else { 184431f17ecbef57b5679c017c375db330546b7b5145John McCall assert(!IsCurrentInstantiation && 184531f17ecbef57b5679c017c375db330546b7b5145John McCall "current-instantiation specializations should always " 184631f17ecbef57b5679c017c375db330546b7b5145John McCall "have a canonical type"); 184731f17ecbef57b5679c017c375db330546b7b5145John McCall 1848b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor // Build the canonical template specialization type. 18491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateName CanonTemplate = getCanonicalTemplateName(Template); 18501275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::SmallVector<TemplateArgument, 4> CanonArgs; 18511275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.reserve(NumArgs); 18521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 18531275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 18541275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Determine whether this canonical template specialization type already 18561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // exists. 18571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::FoldingSetNodeID ID; 185831f17ecbef57b5679c017c375db330546b7b5145John McCall TemplateSpecializationType::Profile(ID, CanonTemplate, false, 1859828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor CanonArgs.data(), NumArgs, *this); 18601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor void *InsertPos = 0; 18621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateSpecializationType *Spec 18631275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 18641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18651275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor if (!Spec) { 18661275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate a new canonical template specialization type. 18671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 18681275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18696b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 187031f17ecbef57b5679c017c375db330546b7b5145John McCall Spec = new (Mem) TemplateSpecializationType(*this, CanonTemplate, false, 18711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.data(), NumArgs, 1872b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon); 18731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Types.push_back(Spec); 18741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 18751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1877b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (Canon.isNull()) 1878b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = QualType(Spec, 0); 18791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Canon->isDependentType() && 18801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor "Non-dependent template-id type must have a canonical type"); 1881b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor } 1882fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 18831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 18841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 18851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 18861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 188740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18886b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 18891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 189031f17ecbef57b5679c017c375db330546b7b5145John McCall = new (Mem) TemplateSpecializationType(*this, Template, 189131f17ecbef57b5679c017c375db330546b7b5145John McCall IsCurrentInstantiation, 189231f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1893828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 18941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 18961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 189755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 189855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 18991eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 1900465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 1901465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 1902465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 1903e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1904465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 1905e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1906e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1907465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1908e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1909e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1910e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1911789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 1912789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 1913789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 1914465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1915465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 1916789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 1917789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 1918789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1919465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 1920e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1921465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 1922e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1923e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1924e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 19254a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19264a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19274a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 19284a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 1929d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1930d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1931d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1932d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19334a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19344a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19354a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19364a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 19374a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 19384a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 1939d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1940d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1941d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 19424a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 1943d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1944d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 19454714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19464714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1947d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 1948d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1949d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19504a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 1951d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 19524714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 1954d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1955d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19561eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19574a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19584a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19594a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const TemplateSpecializationType *TemplateId, 19604a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 19611734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 19621734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 1963789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 19644a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, TemplateId); 1965789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1966789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 19674714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19684714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1969789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 1970789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 1971789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 19721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (Canon.isNull()) { 19731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); 19754a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19764a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19774a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19784a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword || 19794a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonType != QualType(TemplateId, 0)) { 19801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *CanonTemplateId 1981183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall = CanonType->getAs<TemplateSpecializationType>(); 19821734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(CanonTemplateId && 19831734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "Canonical type must also be a template specialization type"); 19844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, CanonTemplateId); 19851734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 19861734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19874714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *CheckT 19884714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1989789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckT && "Typename canonical type is broken"); (void)CheckT; 1990789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 19911734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, TemplateId, Canon); 19931734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 19944714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 19961734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 19971734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 199888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 199988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 200088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 200188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 20022e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 200388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 200488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2005c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 200654e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 200754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 200854e14c4db764c0636160d26c5bbf491637c83a76John McCall 200954e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 201054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 201154e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 201254e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 201354e14c4db764c0636160d26c5bbf491637c83a76John McCall} 201454e14c4db764c0636160d26c5bbf491637c83a76John McCall 201554e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 201688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 201788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 202088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 202188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 202288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 202388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 202488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 202588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 202688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2027c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2028c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2029c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2030c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2031c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2032c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2033c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2034d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2035c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2036c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2037c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2038d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2039c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2041d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 204454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2046c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2047c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 20480237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 20490237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 205054e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 205154e14c4db764c0636160d26c5bbf491637c83a76John McCall 205254e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2053c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2054c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 205554e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2056c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2057c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 205854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 205954e14c4db764c0636160d26c5bbf491637c83a76John McCall 206054e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2061c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 206254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 206354e14c4db764c0636160d26c5bbf491637c83a76John McCall 2064c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2065c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2066fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2067c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 20691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2073d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 207488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2076c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2077c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 20784b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2079c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 20801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20814b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2082c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2083c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 20844b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 20851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2086c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 208754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2088c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2089c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 209054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2091c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 209354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 209454e14c4db764c0636160d26c5bbf491637c83a76John McCall 2095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2096c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 209924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 210024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 210224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 210324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 210424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2105c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCInterfaceType - Return the unique reference to the type for the 2106c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// specified ObjC interface decl. The list of protocols is optional. 2107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2108c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (Decl->TypeForDecl) 2109c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(Decl->TypeForDecl, 0); 2110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // FIXME: redeclarations? 2112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl->TypeForDecl = T; 2115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2117c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 211972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 212072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 21219752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 21221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 21239752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 212472564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2125dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2126b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2127b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2128b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 21291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2130b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2131b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2132b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2133b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2134b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2135b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 21366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2137b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2138b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2139b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2140b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 21416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 21426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2143b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2144b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2145b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2146b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2147dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 21486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2149dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 21509752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 21519752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2152d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2153d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 21549752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 21559752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 21569752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 21571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 21589752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2159d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2160f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 21616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 21629752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 21639752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2164d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2165d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 216660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 216760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 216860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2169a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2170a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 21711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 217260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 217360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 217460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 217560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 217660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 217760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 217860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 217960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 218060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 218160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 218260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 218360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 218460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 218560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 218660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 21871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 218860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 21891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 219160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 219260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 219360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 21941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 219560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 219660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 219760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2198395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2199395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2200395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 22011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2202395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2203395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2204dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 22059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 22069d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 22079d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 22081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22099d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 22109d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 22119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 22129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 22139d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 22149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 22156b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 22169d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 22179d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22189d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 22199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 22206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 22219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 22229d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 22239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2225dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 22266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2227dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2228395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2229395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2230395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2231395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 22325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 22335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2234e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2235d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2236e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2237e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2238e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 22395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 22421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 22431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2244a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2245b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 22465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 224864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 224964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 225064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 225164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 225264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 225364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 225464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 225564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 225664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 225764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 225864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 225964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 226064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 226164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 22628b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 22638b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 22648b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2265b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 22668b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 22678b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2268e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2269e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2270e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2271e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 227254e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 227354e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 227454e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 227554e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 227654e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 227754e14c4db764c0636160d26c5bbf491637c83a76John McCall 227854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 227954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 228054e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 228154e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 228254e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 228354e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 228454e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 228554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 228654e14c4db764c0636160d26c5bbf491637c83a76John McCall 228754e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 228854e14c4db764c0636160d26c5bbf491637c83a76John McCall} 228954e14c4db764c0636160d26c5bbf491637c83a76John McCall 229077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 229177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 229277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 229377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 229477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 229577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 229650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 22970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 22980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 22990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 23000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 23010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 23020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 23031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 23050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 230650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2307c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 23080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 23090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 23100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2311c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2312c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 23130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 23141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2315c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2316c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 23170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2318c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 23191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2320c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 232150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 232250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 232350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 23240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2325c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 232650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 232750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 23280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 23291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2330898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 233150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 233250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2333bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2334bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 233550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 23360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 233787a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2338898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2339c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 234050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2341bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2342bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 234350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 23440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 234550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2346c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2347c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 234828e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 234928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 23505535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 23519dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 23529dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 23535535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 235428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 235528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 235628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2357c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 235828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 235928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 236028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23619dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 236228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 236328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 236428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 236528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23669dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 236728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 236828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 236928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23709dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 23719dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 23729dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr() ? 23739dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr()->Retain() : 0, 23749dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 23759dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 23769dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 23779dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 23789dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 23799dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 238028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 238128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 238228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 238328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 238428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 238580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCallDeclarationName ASTContext::getNameForTemplate(TemplateName Name) { 238680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 238780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return TD->getDeclName(); 238880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 238980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 239080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 239180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getIdentifier(DTN->getIdentifier()); 239280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 239380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getCXXOperatorName(DTN->getOperator()); 239480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 239580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 239680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 23970bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 23980bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 23990bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return (*Storage->begin())->getDeclName(); 240080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 240180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 240225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 240325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // If this template name refers to a template, the canonical 240425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // template name merely stores the template itself. 240525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) 240697fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 240725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 24080bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 24091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 241025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 241125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 241225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 241325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 241425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2415db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2416db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2417db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2418db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2419db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2420db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 24211eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 24221275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 24231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 24241275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 24251275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24271275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 24281275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24301275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2431833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 24321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2433788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2434788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2435788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 24361275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2437833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 24381275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 24391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24401275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2441833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 24421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24431275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 24441275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 24451275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 24461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 24471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 24481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 24491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 24501275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 24511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 24531275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 24541275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 24551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 24581275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 24591275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 24601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 24611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 24621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2463d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2464d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 24651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2466d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2467d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2468d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2469d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2470d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 24711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2472d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2473d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2474d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2475d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2476d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2477d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2478d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2479d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2480d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2481d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2482d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 24831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 24841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2485d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2486d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2487d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2488d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2489d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2490d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2491d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2492d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2493d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2494d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2495d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2496d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2497c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2498c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2499c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2500a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2501c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2502c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2503c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2504c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 25051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2507c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 25080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2509c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 25101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2512c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2513c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 25141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2515c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2516c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 251750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 25180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 25190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 25200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 25211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2522c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2523c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 25240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2525c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 25261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2527c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2528c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2529c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2530c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 25310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 25321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2533c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2534c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2535c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 25360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2537c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2538c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2539c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 25400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2541898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 25421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2543898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2544898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 25451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2546bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2547bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2548898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 25490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 25507e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2552c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 25537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2554bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 25550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2556c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 25570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 25587e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 255977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 256077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 256177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2562e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2563e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2564e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2565e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2566e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2567e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2568e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2569c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2570c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2571c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2572c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2573c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2574c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 25751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2576c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2577e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2578e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 25790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2580e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2581e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 25825e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 25830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 25840237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 25850237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 25860237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 25875e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 25885e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2589fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2590fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 25911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2592fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2593fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 25941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25956183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 25966183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 25976183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 25980de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 25991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 26000de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 26010de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 26020de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 26030de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 26040de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 26050de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 26060de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 26070de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 26080de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 26095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 26105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2611a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2612183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 26135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2614a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2615183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2616183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2617a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 26185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 26195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 26205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 26215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 26251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2626716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2627716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 26281361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 26291361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 26301361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 26311361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 26321361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2633716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2634f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2635f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2636f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2637f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2638f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 26391361b11066239ea15764a2a844405352d87296b3Chris Lattner 26401361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 26411361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 26421361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 26431361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 26441361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 26451361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 26465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 26507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 26517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 26521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2653a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2654a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2655a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 26561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2657a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2658fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2659a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2660fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2661fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 26625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2664f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2665f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2666f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2667f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2668467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2669f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2670842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2671f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2672a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2673a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2674a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2675f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2676f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2677f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2678f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2679f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2680f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2681f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 26827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 26837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2684f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 26857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 26867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 26877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 26887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2689f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 26907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 26917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2692f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 26937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 26947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2695f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 26967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 26977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2698f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 26997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 27007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2701f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 27022df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 27032df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 27042df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2705f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2706f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2707f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 270804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 270904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 271004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 271104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 271204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 271304e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 271404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 271504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 271604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 271704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 271804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 271904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 272004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 272104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 272204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 272304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 272404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 272504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 272604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 272704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 272804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 272904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 273004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 273104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 273204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 273304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 273404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 273504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 273604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 273704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 273804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2739a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2740a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2741a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2742a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2743a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2744a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2745842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2746842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2747a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2748a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2749a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2750a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2751a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2752a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2753a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2754a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 27551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 27567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 27571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 27587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2759f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2760f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 27617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 27621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2763f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2764f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 27651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 27677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 27681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 27707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 27717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 27727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 27757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 27767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 27777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 27787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27817cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 27867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 27877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 27887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 279571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 279679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 279779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 279879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 279979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 280079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 280179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 280279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 280379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 280479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 28051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 280671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 280771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 28081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 2809465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 281079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 28115cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 281279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 2813f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 28141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 281571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 28160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 2817f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2818f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 281971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 28200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 282171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 28221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 28231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 282444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 282544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 28261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 282744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2828a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 28291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 28304afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 28312888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 283217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 283344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 283444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2835838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 283671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 28371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 283871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 28398467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 2840b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2841319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 28426217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 2843319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 2844319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 2845319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2846319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 28472bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 28482bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 28492bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 28502bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 2851465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 28522bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 28532bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 28542bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28552bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 28562bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28572bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 28582bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 28592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 28602bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 28612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 28622bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 28632bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 28652bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 28662bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 28672bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 28682bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 28692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 28702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 28712888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 28722bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 28732bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28742bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28752bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 28762bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28772bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28782bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 28792bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 28802bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28812bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 28822bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 28832bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 28842bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 28852bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 28862bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28871eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 2888bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 288944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 2890465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 289179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 28925cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 28931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2894bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 2895bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 2896de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 2897bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 2898bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 2899bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 2900bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 29011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 290244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 29031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 29041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 29051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2906a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 29071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 29084afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 29092888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 291017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 291144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 29121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2913838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 2914bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 29151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2916bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 2917bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 2918bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2919adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 2920adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 2921adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2922adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2923adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 2924adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 2925465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 292679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 29275cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2928adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2929adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 2930adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2931adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2932adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2933adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2934adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 2935adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 2936083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 2937adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2938adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2939adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 2940adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2941adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 2942adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 2943adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 2944a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2945adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 2946adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 29472888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2948adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 2949adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 2950adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2951838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 2952adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2953adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 2954adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2955adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2956adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2957adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2958adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 2959adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2960adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2961adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 2962adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2963adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2964083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 2965083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 2966083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2967083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2968083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 2969083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 2970465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 297179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 29725cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2973083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2974083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 2975083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2976083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2977083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 2978083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 2979083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2980083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2981083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 2982083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 2983083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 2984083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 2985083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 2986083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2987083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2988083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 2989083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2990083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 2991083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 2992083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 2993a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2994083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 2995083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 29962888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2997083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 2998083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 2999083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3000838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3001083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3002083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3003083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3004083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3005083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3006083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3007083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3008083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3009083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3010083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3011083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3012083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3013af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3014af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3015af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3016af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3017af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3018af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3019af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3020af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3021af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3022af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3023af7b44d847d3e44c43346d508b2e55a6254b6e9dMike StumpQualType ASTContext::BuildByRefType(const char *DeclName, QualType Ty) { 3024af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3025ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3026af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3027ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3028ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 302938e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__copy_helper; // as needed 303038e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__destroy_help // as needed 3031af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3032ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3033ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3034af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3035af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3036af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 30374d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockByRefTypeID = 0; 3038f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3039f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3040f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3041af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3042465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 304379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3044af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3045af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3046af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3047af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3048af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3049af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3050af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3051af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3052af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3053af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3054af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3055af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3056af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3057af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump const char *FieldNames[] = { 3058af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3059af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3060af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3061af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3062af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3063af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3064af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3065af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3066af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3067af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3068af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3069af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3070af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3071af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3072a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3073af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 30742888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3075af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3076af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3077af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3078838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3079af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3080af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3081ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3082ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3083ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3084ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3085083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3086ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3087ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3088adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 30894d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockParmTypeID = 0; 3090f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3091f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3092f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3093adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3094465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 309579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 30965cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3097adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3098adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3099adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3100adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3101adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3102083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3103083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3104083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3105adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3106adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3107adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3108adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3109adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3110adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3111adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3112adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3113adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3114adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3115adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3116ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3117adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3118a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3119ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31202888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3121ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3122ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3123ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3124ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3125ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3126ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3127ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3128ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3129ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3130ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3131ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3132ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3133ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3134ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 3135ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldType = BuildByRefType(D->getNameAsCString(), FieldType); 3136ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3137ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3138ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3139ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3140ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3141ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3142ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3143ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3144ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3145ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3146ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31472888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3148adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3149adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3150adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3151838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3152ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3153ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3154adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3155adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3156319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 31576217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3158319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3159319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3160319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3161319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3162e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3163e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 31642d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3165e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3166bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3167bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 31681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 316985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 317085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 317185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3172a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 317333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3174aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3175199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 31761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 317733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 3178199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck if (sz.isPositive() && type->isIntegralType()) 3179199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 318033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 318133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3182199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3183aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3184199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3185199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3186199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3187199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3188199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 318933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 319033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 31916f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 31925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 31935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 31945e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 31955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 31965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 31975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 31985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 31995e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(cast<FunctionType>(BlockTy)->getResultType(), S); 32005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 32015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 32025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 32035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3204199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3205199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 32066f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 32075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 32085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3209aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3210199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 32115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 32125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 32135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3214199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 32155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 32165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 32175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 32185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 32195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 32205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 32215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 32225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 32235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 32245e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 32255e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 32265e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 32275e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 32285e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 32295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 32305e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32315e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 32325e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32335e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3234199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3235aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 32365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 32375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 32385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3239a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 324033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 32411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3242e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3243c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3244ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3245a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 324633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 32470d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 324833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 324933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 325033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 325133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3252199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 325333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 325433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3255199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 325689951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32577732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 325889951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3259aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3260199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3261199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 326233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 326333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3264199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 326533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3266199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 32671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 326833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 326933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 327089951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32717732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 327289951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 32731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 32744306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3275ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3276ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3277ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3278bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3279ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3280ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3281ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3282ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 328333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 32844306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 32850d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3286199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3287aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 328833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 328933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 329033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3291c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 329283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3293c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3294c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 32951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 32961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 32971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 32981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 32991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 330083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 330183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 330283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 330383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 330483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 330583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 330683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 330783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 330883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 330983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 331083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 331183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 331283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 331383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 331483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 331583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 33161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3317c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3318e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3319c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3320c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3321c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3322c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3323c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3324c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 33251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3326c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3327c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 332817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3329653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3330c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3331c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3332c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3333c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3334c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3335c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3336c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3337c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3338c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3339c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 334061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3341c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 334217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3343653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3344c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3345c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3346c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3347c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3348c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3349c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3350c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3351c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 33521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3353c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3354c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3355c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3356c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3357c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3358c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3359c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3360090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3361090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 33621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3363090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3364090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3365c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3366c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3367c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3368c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3369c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3370c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3371c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 33721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3373c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3374c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3375c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3376c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3377c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3378c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3379c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3380c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3381090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3382090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 33831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3384c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3385c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3386077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3387c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3388c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3389c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3390c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3391077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3392c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3393c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3394c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3395c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3396c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 339739f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3398c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3399c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3400c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3401c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3402c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3403a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 34041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 34051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3406a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3407a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3408a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 34098e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3410183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3411c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3412c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3413a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 34141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3415c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3416c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3417a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3418a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3419a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3420a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3421a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 34227d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3423153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 342482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 342582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 342682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 342782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 34281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 34295b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 343082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 343182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 34321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 3433153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD) { 34348b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 34358b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 34368b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 34379a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 34388b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 34398b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 34408b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 34418b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 344201eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 344382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 344482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 344582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3446153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3447090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 34486ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 3449183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = T->getAs<BuiltinType>()) { 3450ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 3451ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return EncodeBitField(this, S, FD); 3452ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner char encoding; 3453ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner switch (BT->getKind()) { 34541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: assert(0 && "Unhandled builtin type kind"); 3455ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Void: encoding = 'v'; break; 3456ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Bool: encoding = 'B'; break; 3457ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_U: 3458ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UChar: encoding = 'C'; break; 3459ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UShort: encoding = 'S'; break; 3460ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt: encoding = 'I'; break; 34611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::ULong: 34621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 34631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q'; 346472696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian break; 3465ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt128: encoding = 'T'; break; 3466ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::ULongLong: encoding = 'Q'; break; 3467ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_S: 3468ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::SChar: encoding = 'c'; break; 3469ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Short: encoding = 's'; break; 3470ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int: encoding = 'i'; break; 34711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::Long: 34721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 34731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q'; 3474ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner break; 3475ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongLong: encoding = 'q'; break; 3476ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int128: encoding = 't'; break; 3477ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Float: encoding = 'f'; break; 3478ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Double: encoding = 'd'; break; 3479ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongDouble: encoding = 'd'; break; 348043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 34811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3482ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += encoding; 3483ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3484ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 34851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3486183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3487c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 34881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3489c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3490ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3491ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 349260bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3493aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3494aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 34956217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 34968d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 34978d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 34988d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 34998d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3500aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3501aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3502aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3503aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3504aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3505a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3506a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3507a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3508a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 35091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 35108e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3511a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3512a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3513a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3514a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35159fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3516a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 35176217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 35186217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3519a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3520a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3521a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3522a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3523a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3524a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3525a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3526a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3527a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 35280237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 35290237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3530a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 353285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 353385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 353485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3535e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 353685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 353785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 353885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 35396217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 35409533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 35419533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 35429533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 35439533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35449533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35459533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 35469533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 35479533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 35489533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35499533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35509533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 355185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 355285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3553a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3554a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 35551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 355643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3557ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3558ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3559aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3560ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3561ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3562ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3563559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3564559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3565559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3566559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 35671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3568559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3569559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3570559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 35711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3572559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3573559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3574559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3575559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3576559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3577559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3578559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 35791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3581559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3582559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3583559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3584ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3585ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3587183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3588c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3589ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3590ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35926217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 359382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3594d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3595502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3596502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3597502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 35986fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 35996fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 36006fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 36016fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 36026fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 36036fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 36046fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 36056fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 36066fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 36076fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 36086fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3609502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3610502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3611502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 36120d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 36137d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 361417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 361517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 361644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 361743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3618d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 361944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3620d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3621d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3623d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 362443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 36251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 362643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3627d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3628a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3629a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 36301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 363143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3632d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36337d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 36346de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3635d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3636ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3637ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3639ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 36408b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 36418b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian EncodeBitField(this, S, FD); 36428b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 36438b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3644ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3645ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3647ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 364821a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3649ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3650ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3652c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3653c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3654c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3655c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 36560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 365743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 36580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 365943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 366043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 366143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 366243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 3663f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 366443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 3665f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 366643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 36671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 366843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 366943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 36701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 367143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 367243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 367343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3674ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 367543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 36761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3677183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 367814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 367914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 368014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3681ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 368327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 368427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 368527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 368627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 368714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 368814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3689ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3691ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 36921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 369314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 369414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 369514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 369614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 369714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 369814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 369967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 370067ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 370114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 370214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 370314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 370414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 370514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 370614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 370714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3708ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3710ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3711ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3712ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3713ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 37141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3715ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3716ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 37171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 37181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3719ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 372014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 372114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3722ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3723ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 372427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3725ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 372627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 372767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 372867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3729ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3730ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3731ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 37321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3733ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3734ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3735ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3736ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3738532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 3739532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 3740532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 3741532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 3742532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall 3743ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 374485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 374585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 37461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3747ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3748ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3749ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3750ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3751ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3752ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3753ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3754ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3755ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3756ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3757ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3758ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3759ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3760ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3761ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3762ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3763b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 37641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3765b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3766b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3767b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3768ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3769de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 37707e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 37717e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3772ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 377313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3774b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3775b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3776ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3777a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3778390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3779390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3780ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3781de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 37828baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 37838baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3784a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 37851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 37862198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 37871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3788a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 37892198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 37902198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 37910bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 37920bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 3793eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 3794eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 37950bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 37960bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 37977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37980bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 37990bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 38000bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 38010bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 38020bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 3803eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 38040bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 38050bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 38060bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 38070bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 38080bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 38097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 38107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38110bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 38127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 38137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3814d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 3815d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 38161eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 3817d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 38180bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 3819789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 3820d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 3821d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 38221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3823d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 3824d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 38250bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3826d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 3827d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 3828d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 3829d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 38301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3831d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 3832d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 3833d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 38347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 38357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 38361eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 38377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 38381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 38393b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 38407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 38427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 38437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 38457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 38467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 38477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38487532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 38497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38507532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 38527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 38537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 38547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 38557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 38567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 3857789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 3858789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3859789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 3860789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 38617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 38627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 38647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 38667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3867ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 3868ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 3869ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 3870ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 3871ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 3872ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 3873ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 3874ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3875ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 3876ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 3877ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3878ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 3879789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 3880789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3881ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3882ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 3883ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3884ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3885ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 3886ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 3887ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 3888ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 3889ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 3890ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 3891789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 3892789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 3893789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3894789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 3895789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 3896ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 3897ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3898ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 3899ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3900ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 3901ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3902b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 3903d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 3904d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 3905e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 3906b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 3907e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 3908b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 3909b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 3910b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 3911b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 3912b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 3913b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 3914b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 3915b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 3916b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 3917b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 3918b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 3919e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 3920b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 3921b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3922b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3923b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 3924b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3925b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3926fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 3927fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 3928fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 3929f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 3930fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 3931fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 3932fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 3933fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 393440b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 3935fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 3936fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 39371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 3938fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 3939fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 39404fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 39414fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 39424fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 39430953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 39440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 39454fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 39464fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 3947b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 39484fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 39491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 3950a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 39510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 395275212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 39530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 3954a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 39556217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 3956a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 3957c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 3958c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 3959f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 39600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 39614fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 3962b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 39634fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 39644fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 39656ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 39666ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 39676ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 3968770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 39691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 39706ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 39716ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 39726ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 3973467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 39746ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 397561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 39766ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 39776ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 39784084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 39794084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 39804084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 39814084c306635b70f37029dca938444e6013f08684Steve Naroff 39824084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 39834084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 39840fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 39850fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 39864084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 398714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 39884084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 39894084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 39904084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 39914084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39924084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39934084c306635b70f37029dca938444e6013f08684Steve Naroff} 399414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 39954084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 39964084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 39974084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 39984084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 39994084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 40004084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 40014084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40024084c306635b70f37029dca938444e6013f08684Steve Naroff} 40034084c306635b70f37029dca938444e6013f08684Steve Naroff 40044084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 40054084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 40064084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 40074084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 40084084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 40091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 40104084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 40114084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 40134084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 40144084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40154084c306635b70f37029dca938444e6013f08684Steve Naroff 40164084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4017183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 40181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40194084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 40201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40214084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 40221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 40234084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40244084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40254084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40264084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40274084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40284084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40294084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40300fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 40314084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40324084c306635b70f37029dca938444e6013f08684Steve Naroff } 40334084c306635b70f37029dca938444e6013f08684Steve Naroff } 40344084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 40354084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40364084c306635b70f37029dca938444e6013f08684Steve Naroff } 40371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 40384084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40394084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40404084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 40414084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4042de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4043de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4044de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4045de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 40464084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 40474084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 40484084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 40494084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 40504084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 40514084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40528f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 40538f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4054de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 40564084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40574084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40584084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40594084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40604084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40614084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40624084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40630fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 40644084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40654084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40664084c306635b70f37029dca938444e6013f08684Steve Naroff } 40674084c306635b70f37029dca938444e6013f08684Steve Naroff } 40684084c306635b70f37029dca938444e6013f08684Steve Naroff } 40694084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4070de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4071de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4073de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4074de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40764084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 40774084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 40784084c306635b70f37029dca938444e6013f08684Steve Naroff 40791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 40804084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 40814084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 40824084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 40834084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 40844084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 40854084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 40864084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40874084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40884084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40890fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 40904084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40914084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40924084c306635b70f37029dca938444e6013f08684Steve Naroff } 40934084c306635b70f37029dca938444e6013f08684Steve Naroff } 40944084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 40954084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40964084c306635b70f37029dca938444e6013f08684Steve Naroff } 40974084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40984084c306635b70f37029dca938444e6013f08684Steve Naroff } 40991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 41004084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 41014084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 41024084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 41034084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 41044084c306635b70f37029dca938444e6013f08684Steve Naroff 41054084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 41064084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 41074084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 41084084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 41094084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 41104084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 41114084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 41124084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 41134084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41144084c306635b70f37029dca938444e6013f08684Steve Naroff break; 41154084c306635b70f37029dca938444e6013f08684Steve Naroff } 41164084c306635b70f37029dca938444e6013f08684Steve Naroff } 41174084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 41184084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41194084c306635b70f37029dca938444e6013f08684Steve Naroff } 41204084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41214084c306635b70f37029dca938444e6013f08684Steve Naroff } 41224084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41234084c306635b70f37029dca938444e6013f08684Steve Naroff} 41244084c306635b70f37029dca938444e6013f08684Steve Naroff 41254084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 41264084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 41274084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 41284084c306635b70f37029dca938444e6013f08684Steve Naroff/// 41294084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 41304084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4131c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4132c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4133c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 41344084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4135c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4136c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 41374084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41384084c306635b70f37029dca938444e6013f08684Steve Naroff 4139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 41401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 41411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 41424084c306635b70f37029dca938444e6013f08684Steve Naroff false); 41434084c306635b70f37029dca938444e6013f08684Steve Naroff 4144c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 41464084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 41471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41484084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 414914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 415014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4151132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4152132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4153132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4154132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4155132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4156132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4157132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4158132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4159a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4160132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4161132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4162132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4163132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4164132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4165132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4166a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4167132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4168132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4169132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4170132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4171132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4172132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4173132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4174132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4175132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4176132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4177132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4178132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4179132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4180132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4181132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4182132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4183132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4184132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4185132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4186e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4187e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4188e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4189e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4190e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4191e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4192e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4193e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4194e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4195e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4200e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4201e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4202e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4203e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4204e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4205e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4206432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4209e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4210e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4211e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4212e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4213e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4214e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4215cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4216cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4217e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4218e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4219e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4220e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4221e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4222432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4225432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4226432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4227432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4228432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4229432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4230e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4231e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4232e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4233db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4234db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4235db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4236db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4237db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4238c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4240c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4241c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4242c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4243c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4245db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4246db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4248c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4249e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4250c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4254c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4255c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4256c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4257c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4258e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4259db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4260db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4261db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4262db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4263db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4266c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 42696ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 42706ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 42726ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 42731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42746ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 42756ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4276c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 42776ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 42781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42796ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 42806ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4281c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 42826ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 42831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4285c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 428691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 428791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 428891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 428991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 429091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4291c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 42938f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 42948f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 429591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 42968f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 42978f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 429891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 429991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 430091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 430191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 430291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 430391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 430491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 43056ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 43066ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4307389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4308389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4309183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4310183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 43111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 431214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4313389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 431414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 431514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 431614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4317389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4318389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 43191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4320ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 43211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4322ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 43233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 43240e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 43250e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 43260e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 43273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 43283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 43293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4330132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4331132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4332132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4333132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4334132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4335132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 4336183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4337183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 433872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 433972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 43403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 43413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 43423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4344132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4345132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4346132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true); 4347132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4348132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 43493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 43506de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 435161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 43526de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 435361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 43546a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 43556a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 43566a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 43576a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4358264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4359264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 43606a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 43616a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 43626a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 43636a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 43646a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 43656a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 43666a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 43676a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 43686a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4369264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4370264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4371ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 437204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4373ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 43741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4376465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4377465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 43783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 43793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 43803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 43823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 43833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 43863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 43873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43897fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 43907fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 43917fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 43923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 43933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 43943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 43953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 43963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 4397132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType argtype = mergeTypes(largtype, rargtype, OfBlockPointer); 43983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 43993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 440061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 440161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 440261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 440361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 44043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 44082455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4409264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4410425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 44113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 44143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 44153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 441672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 44173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4418465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 44193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 44203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 44213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 44223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 44233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 44243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 44253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 44263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 44273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4428b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4429b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4430b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4431b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4432b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4433b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 44343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 44353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 44363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 44422d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4443264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4444264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4445425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 44463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4450425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4451264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 44523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 44533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4454132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4455132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 445643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 445743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 445843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 44597c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 44607c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 44610e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 44620e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 44630e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 44643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 44653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 44663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4467f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 44683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 44693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 44703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4472a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4473a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 44740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 44750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 44760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 44770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 44780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 44790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 44800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 44820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 44830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 44840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 44850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 44860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 44870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 44880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 44890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 44910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 44920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 44940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 44950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 44970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 44980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 45000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 45033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4504852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4505852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4506f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 45071adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 45081adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 45091adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 45101adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 45114c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 45124c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4513a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4514a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4515a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4516a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 45171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4518c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 4519c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 4520c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 4521c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4522213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4523213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4524213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 45251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45264e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 45274e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 45281adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 45291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4530842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4531842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4532183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 45333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 45343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4535bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4536183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 45373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 45383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4539bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 45401adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 45413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4542ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 45433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45444a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 45451adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 454672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 454772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4548ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 454972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 455072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 455172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 455272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 455372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 455472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 45567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 455772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 455872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 455972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 456072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4561c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 456272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 456372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 456472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 456572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 456672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 456772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 456872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45691adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 45703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 45713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 45726217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 45736217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 45743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 45753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 457607d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 457761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 457807d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 457961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 45803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 45813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4582c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4583c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4584c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 45856217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 45866217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4587132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer); 4588c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4589c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4590c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4591c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4592c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4593c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4594c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 45951adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 45963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 45973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 45983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 45993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 46003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 46033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 46043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 46053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 460661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 460761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 460861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 460961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46103bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 46113bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46123bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 46133bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 46153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 461661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 461761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 461861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 461961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 46213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 46233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 46253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 46273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 46293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 46313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46323bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 46333bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 46347e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 46357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 46363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46371adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 4638132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return mergeFunctionTypes(LHS, RHS, OfBlockPointer); 463972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 464072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 46413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46421adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 46433cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 46443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 464564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 464664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 464764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 46483cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 46495a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 46501c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 46511c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 46523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 465361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 4654c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 4655c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 46565a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 46575a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4658c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 4659c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 4660c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 46615fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 46625fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 46633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 466461490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 466514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4666132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 4667132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 4668132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 4669132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 4670132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 4671132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 4672132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4673183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4674183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 467514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 467614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4677bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 4678132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4679ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 468072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 468172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4682ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 46837192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 46842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 46852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 46862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 46872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 46882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 46892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 46902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 46912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 46922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 46932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 46942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 46952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 46962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 46972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 46982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 46992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 47002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 47012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 47022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 47032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 47052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 47062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 47072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 47082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 47092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FunctionType::ExtInfo Info = getFunctionExtInfo(LHS); 47102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 47112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 47122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumArgs(), FPT->isVariadic(), 47132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getTypeQuals(), 47142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasExceptionSpec(), 47152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasAnyExceptionSpec(), 47162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumExceptions(), 47172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->exception_begin(), 47182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Info); 47192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 47202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 47262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 47272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 47282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 47292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 47302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 47312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 47322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 47352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 47362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 47372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 47382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 47392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 47402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 47412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 47422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 47442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 47472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 47492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 47502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 47542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 47552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 47562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 47572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 47582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 47602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 47612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 47642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47655426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 4766ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 4767ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 476888054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 4769ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 4770632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 4771ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 4772842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 477329a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 4774f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 4775ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 4776ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4777ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 4778ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 4779ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 47806a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47816a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 47826a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 47836a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 478482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VTy->getNumElements(), VTy->isAltiVec(), VTy->isPixel()); 47856a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47866a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 47876a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 4788ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 47896a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47906a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 47916a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 4792ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 4793ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 4794ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 4795ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 4796ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 4797ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 4798ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 4799ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 4800ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 4801ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 4802ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 4803ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 48042df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 48052df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 4806ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 4807ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 4808ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 4809ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 4810ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4811ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 48122cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 48132cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 48142cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 481586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 481686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 481786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 481886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 481986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 482086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 482186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 482286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 48231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 482486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 482586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 482686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 482786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 482886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 48291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 483086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 483186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 483286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 483386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 48341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 483586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 483686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 483786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 483886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 483986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 484086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 484186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 484286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 484386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 484486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 484586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 484686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 484786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 484886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 484986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 485086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 485186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 485286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 48531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 485586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 485686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 485786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 485886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 485986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 486086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 486186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 486286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 486386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 486486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 486586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 486686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 486786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 486886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 486986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 487086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 487186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 487286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 487386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 487486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 487586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 487686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 487786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 487886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 487986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 488086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 488186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 488286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 488386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 488486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 488586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 488686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 488786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 488886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 488986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 489086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 489186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 489286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 489386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 489486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 489586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 489686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 489786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 489886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 489986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 490086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 490186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 490286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 490386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 490486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 490586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 490686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 490786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 490886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 490986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 491086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 491186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 491286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 491386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 491486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 491586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 491686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 491786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 491886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 491986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 492086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 492186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 492286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 492386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 492486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 492586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 492686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 492786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 492886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 492986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 493086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 493186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 493286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 493386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 493486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 493586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 493686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 49371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 493886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 49391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 494086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 494182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson // FIXME: Don't know what to do about AltiVec. 494282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Type = Context.getVectorType(ElementType, NumElements, false, false); 494386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 494486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4945d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 4946d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 4947d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 4948d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 4949d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 49509a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 4951c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 4952c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 4953f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 495486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 495586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4956fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 49579a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 4958f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 4959782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 4960f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 4961f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 4962f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 4963fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 4964f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 4965fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 4966fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 4967fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 4968782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 49691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 497086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 497186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 49721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 497386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 497486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 4975187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 497686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 497786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 497886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 4979187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall { 4980187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // Both pointers and references can have their pointee types 4981187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // qualified with an address space. 4982187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall char *End; 4983187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall unsigned AddrSpace = strtoul(Str, &End, 10); 4984187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (End != Str && AddrSpace != 0) { 4985187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getAddrSpaceQualType(Type, AddrSpace); 4986187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Str = End; 4987187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 4988187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 4989187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (c == '*') 4990187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getPointerType(Type); 4991187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall else 4992187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getLValueReferenceType(Type); 499386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 499486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 499586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 49960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 499786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 4998013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian case 'D': 4999013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian Type = Context.getVolatileType(Type); 5000013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian break; 500186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 500286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 50031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 500486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 500586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 500686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 500786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 500886df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 500986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 501086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 50111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 501286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 50131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 501486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 501586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 501686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 501786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 501886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 501986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 502086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 502186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 502286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 502386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 502486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 502586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 50261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 502786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 502886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 502986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 503086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 503186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 503286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 503386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 503486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 503586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 5036ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5037ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 503886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 5039ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 5040264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 504186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5042a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5043a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5044a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5045a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5046a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5047a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5048a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5049a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5050a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5051a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5052a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5053a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5054a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5055a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5056a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5057a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5058a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5059a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5060a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5061a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5063a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5064a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5065a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5066a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 50691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5070a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5071a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5072a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 50731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5074a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5075a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5076a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 50771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5078a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5079a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5080a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5081a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 50821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 50831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 50841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 50851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5086a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 50871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5088a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 50891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5090a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5091a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 50921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5094a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 50951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5096a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 50971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5098a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5099a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5100a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5101a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5102a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5103a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5104a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5105a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5106a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5107a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5108a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5109a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5110a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5111a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5112a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5113a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5114a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5115a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5116a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5117a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5118a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5119a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5120a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5121a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5122a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5123a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5124a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 51251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5126a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5127a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5128a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5129a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5130a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5131a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5132a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5133a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5134a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5135a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5136a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5137a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5138a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5139a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5140a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5141a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5142a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 51431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5144a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5145a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5146a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5147a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5148a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5149a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5150a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5151a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5152a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5153a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5154a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5155a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5156a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5157a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5158a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman bool lhsSigned = lhs->isSignedIntegerType(), 5159a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsSigned = rhs->isSignedIntegerType(); 5160a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5161a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5162a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5163a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5164a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5165a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5166a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5167a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5168a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5169a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5170a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5171a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5172a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5173a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5174a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5175a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5176a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5177a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5178a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5179a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5180a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5181a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 5182