ASTContext.cpp revision 465d41b92b2c862f3062c412a0538db65c6a2661
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.cpp - Context to hold long-lived AST nodes ------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/ASTContext.h" 15bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck#include "clang/AST/CharUnits.h" 1649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis#include "clang/AST/DeclCXX.h" 17980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 18aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 212cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 2219cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 231b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 24a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 26f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 286fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 29f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 3029445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson#include "RecordLayoutBuilder.h" 3129445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3861710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 39444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 40e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 411b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool FreeMem, unsigned size_reserve) : 431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0), 442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl(0), 45782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 46083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 47c6fbbedb3e90ff2f04828c36fd839e01468679f5Douglas Gregor SourceMgr(SM), LangOpts(LOpts), FreeMemory(FreeMem), Target(t), 482e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 49ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 50ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 51ac9590effa90406767a544005ed1de52e258306bTed Kremenek ExternalSource(0), PrintingPolicy(LOpts), 520c01d18094100db92d38daa923c95661512db203John McCall LastSDM(0, 0) { 530f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 540f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 55369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian ObjCSelRedefinitionType = QualType(); 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 57e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 5814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 59e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 60e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 623478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 633478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 643478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 707d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 713478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 72bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek if (FreeMemory) { 73bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Deallocate all the types. 74bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek while (!Types.empty()) { 75bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.back()->Destroy(*this); 76bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.pop_back(); 77bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 78b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman 79bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek for (llvm::FoldingSet<ExtQuals>::iterator 80bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek I = ExtQualNodes.begin(), E = ExtQualNodes.end(); I != E; ) { 81bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Deallocate(&*I++); 83bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 85503524acc73f2f8280080ca0d200377406001b65Ted Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 86503524acc73f2f8280080ca0d200377406001b65Ted Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 87503524acc73f2f8280080ca0d200377406001b65Ted Kremenek // Increment in loop to prevent using deallocated memory. 88503524acc73f2f8280080ca0d200377406001b65Ted Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 89503524acc73f2f8280080ca0d200377406001b65Ted Kremenek R->Destroy(*this); 90503524acc73f2f8280080ca0d200377406001b65Ted Kremenek } 91b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 92503524acc73f2f8280080ca0d200377406001b65Ted Kremenek for (llvm::DenseMap<const ObjCContainerDecl*, 93503524acc73f2f8280080ca0d200377406001b65Ted Kremenek const ASTRecordLayout*>::iterator 94503524acc73f2f8280080ca0d200377406001b65Ted Kremenek I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) { 95503524acc73f2f8280080ca0d200377406001b65Ted Kremenek // Increment in loop to prevent using deallocated memory. 96503524acc73f2f8280080ca0d200377406001b65Ted Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 97503524acc73f2f8280080ca0d200377406001b65Ted Kremenek R->Destroy(*this); 98503524acc73f2f8280080ca0d200377406001b65Ted Kremenek } 99b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 100b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 101ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor // Destroy nested-name-specifiers. 1021ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor for (llvm::FoldingSet<NestedNameSpecifier>::iterator 1031ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNS = NestedNameSpecifiers.begin(), 1041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNSEnd = NestedNameSpecifiers.end(); 105bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek NNS != NNSEnd; ) { 106bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 1071ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor (*NNS++).Destroy(*this); 108bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 109ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 110ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor if (GlobalNestedNameSpecifier) 111ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier->Destroy(*this); 112ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 113b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman TUDecl->Destroy(*this); 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 1172cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 1182cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 1192cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 1202cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 1247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 125dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 1261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 127dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 128dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 129dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 130dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 131c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 134dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 137dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 138dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 139dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 140dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 141dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 142dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 143dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 144dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 145dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 1461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 1482cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1492cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 1502cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 1512cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 1522cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 156e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 1576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 158e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 1596b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 1641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 1671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 17115b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 1811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 1881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 19364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 1942df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 1952df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 1962df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 1972df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 1983a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 1993a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 2003a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 2013a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 20264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 203f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 204f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 205f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 206f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 207f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 208f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 209f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 210f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 211f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 212f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2138e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 214898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 215898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 216898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 217898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 218898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 219898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 220898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 221898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 2228e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 224e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 225e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 2261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 2318e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2327e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 2331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 234de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 235de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 236de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 23713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 2381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 240de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 241de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 24213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 24314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 244a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 2451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 24733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 2486e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 2496e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 2506e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 253251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 254663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 2557caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 256663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 2577caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 2587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 2597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 2601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 2627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2637caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 265251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 266251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK) { 2677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 2687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 2697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 2707caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 271251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 272251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor = new (*this) MemberSpecializationInfo(Tmpl, TSK); 2737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 276ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 2777ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 278ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 279ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 2800d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2820d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 2830d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 2840d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 2850d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 286ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 287ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 288ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 289ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 290ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 291ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 292ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 293ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 294ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 295ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 296ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 297ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 298ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 299ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 300ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 301ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 302ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 303ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 304ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 305ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 306ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 307ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 308ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 309ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 3100d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 3110d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 312d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 313d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 314d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 315d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 316d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 3171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 318d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 319d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 320d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 321d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 322d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 323d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 324d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 325d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 326d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 3271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 328d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 329d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 330d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 3317d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3327d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 3337d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3347d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3357d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3367d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3377d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3387d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 3397d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3407d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3417d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3427d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 3437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3447d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 3497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 3527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 3537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 3547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3562e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregornamespace { 3571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump class BeforeInTranslationUnit 3582e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor : std::binary_function<SourceRange, SourceRange, bool> { 3592e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceManager *SourceMgr; 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3612e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor public: 3622e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { } 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3642e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool operator()(SourceRange X, SourceRange Y) { 3652e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin()); 3662e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3672e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor }; 3682e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 3692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 370464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 371464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 372464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 373a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 374b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 375b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 376b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 377183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 378b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 379b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 380b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 381b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 382b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 383b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 384b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 385b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 386b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 3878b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 388af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 389af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 3905d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 3915d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 3928b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 393dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 394dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 39540b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 396bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Align, AA->getMaxAlignment()); 397dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 398af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 399af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 4006217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 4015d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 4025d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 4035d484e8cf710207010720589d89602233de61d01Sebastian Redl else 4045d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 4055d484e8cf710207010720589d89602233de61d01Sebastian Redl } 4065d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 4074cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 408dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 409dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 410dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 411dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 412dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 41305f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 41405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 41505f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 41605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 41705f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 41805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 419af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 420dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 4218b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 422af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 423b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 424a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 425a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 430d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 4311d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 4325e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 4335e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 434a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 43572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 43672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 43718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 43872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 43972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 44018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 44172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 44272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4435d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 4445d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 44518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 44618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 44718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 44818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 44918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 45072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 451fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 45218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 45318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 45418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 45518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 456fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 4571d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 4581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45998be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 4609e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 461030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 462030d8846c7e520330007087e949f621989876e3aChris Lattner break; 4635c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 464213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 465030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 4669fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 4679fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 4689fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 4694bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 4706fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 4716fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 4728eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 4739fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 4749fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 4759fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 476030d8846c7e520330007087e949f621989876e3aChris Lattner break; 477030d8846c7e520330007087e949f621989876e3aChris Lattner } 4785d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 4799e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 480a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 481692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 482d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 48318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 48418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 48518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 48618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 48718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 4886f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 4899e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 4909e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 4916f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 492692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 493692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 494692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 4956f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 4969e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 4979e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 4986f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 49964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 50064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 50164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 50264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 503f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 504f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 505f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 506f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 507f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 508f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 509f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 510f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 511692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 5126f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 5139e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 5149e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 5156f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 516692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 5176f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 5189e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 5199e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 5206f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 521692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 5226f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 5239e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 5249e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 5256f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 526692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 5276f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 5289e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 5299e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 5306f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 531ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 532ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 533ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 534ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 535ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 5366f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 5379e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 5389e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 5396f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5406f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 5415426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 5425426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 5436f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5446f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 5459e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 5469e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 5476f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5486e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 5496e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 5506e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 5511590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 552a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 553bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 554d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 5555426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 556f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 5576f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 558485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 559485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 560485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 561485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 562485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 563485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 5645d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 5655d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 5665d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 5675d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 5685d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 5695d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 5705d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 5715d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 5725d484e8cf710207010720589d89602233de61d01Sebastian Redl } 573f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 574f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 5755426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 576f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 577f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 578f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 579f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 580f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 5811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 5821cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 5831cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Width = PtrDiffInfo.first; 584f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 585f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 5861cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 5871cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 588f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 5895d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 5905d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 5915d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 5921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 59398be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 5949e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 5955d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 5965d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 5975d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 59844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 5991d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 60044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 60144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 60244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 60344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 60444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 60572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 60672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 6071d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 6081d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 6091d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 6108389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 6118389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 6128389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 6138389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6151d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 6167176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 6177176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 6181d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 6197176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 6207176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 6217176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 622dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 623a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 6247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 6259fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 62649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 62749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 62849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 62918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 63018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 63140b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 632bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Aligned->getMaxAlignment(), 633bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt getTypeAlign(Typedef->getUnderlyingType().getTypePtr())); 63418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 63518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 63618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 6377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 6387176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 63918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 64018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 64118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 64218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 64318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 64418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 64518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 64618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 647395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 648395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 649395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 650395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 651465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 652465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 65418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 65618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 65718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 65818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 65918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 66018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 66118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 6621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 663464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 6649e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 665a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 666a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 667bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 668bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 669bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 670199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 671bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 672bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 673199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 674bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 675bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 67616e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 67786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 67886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 67986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 68086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 68186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 68286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 68386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 68486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 68534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 68634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 68734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 68834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 68934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 69034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 6911eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 6921eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 693183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 6941eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 6951eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 6961eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 6971eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 6981eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 69934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 70034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 70134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 702a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 703a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 704a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 705a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 706a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 707f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 708a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 709a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 710a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 711a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 712a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 713a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 714a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 715a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 716a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 717a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 718a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 719a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 7208e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 7218e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 7228e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 7238e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 72411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7258e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 7268e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 7278e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 7288e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 72911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 73011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian CollectNonClassIvars(OI, Ivars); 7318e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 7328e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 73311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// CollectNonClassIvars - 73411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// This routine collects all other ivars which are not declared in the class. 7357d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek/// This includes synthesized ivars (via @synthesize) and those in 7367d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek// class's @implementation. 7379820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 73811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanianvoid ASTContext::CollectNonClassIvars(const ObjCInterfaceDecl *OI, 7399820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7400e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian // Find ivars declared in class extension. 7410e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) { 7420e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(), 7430e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian E = CDecl->ivar_end(); I != E; ++I) { 7440e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian Ivars.push_back(*I); 7450e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 7460e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 74711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 7487d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // Also add any ivar defined in this class's implementation. This 7497d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // includes synthesized ivars. 75011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) { 75111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(), 75211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian E = ImplDecl->ivar_end(); I != E; ++I) 75311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 75411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 7559820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 7569820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 757e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 758e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 759e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 760432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 761e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 762e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 763e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 764e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 765432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 766e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 767b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 768b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 769e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 770e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 771b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 772e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 773e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 774e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 775e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 776e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 777e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 778e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 779e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 780e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 781e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 782b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 783e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 784e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 785e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 786432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 787e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 788e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 789e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 790e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 791b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 792e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 793e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 794e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 795432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 796e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 797e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 798e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 799e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 800e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 801e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 802e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 8033bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 8043bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 8053bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 806b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) 807b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 808b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8093bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 8103bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 8113bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 812b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 813b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8148e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 8158e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8168e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8178a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 8188a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 8198a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8208a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8218a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8228a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 8238a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8248a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8258a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 8268a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 8278a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8288a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8298a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8308a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 8318a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8328a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8338a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 8348a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 8358a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 8368a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 8378a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 8388a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 8398a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8408a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 8418a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 8428a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 8438a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 8448a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 8458a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8468a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 847a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 848b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 849a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 850b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 851b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 852b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 853b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 854b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 855a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 856109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 857109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 858109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 859109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 860109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 861a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 862109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 863a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 864a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 865a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 866a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 867b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 868b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 869a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 870a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 871a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 872a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 873a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 874a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 875a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 876b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// getInterfaceLayoutImpl - Get or compute information about the 877b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// layout of the given interface. 878b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// 879b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// \param Impl - If given, also include the layout of the interface's 880b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// implementation. This may differ by including synthesized ivars. 88144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patelconst ASTRecordLayout & 882b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getObjCLayout(const ObjCInterfaceDecl *D, 883b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ObjCImplementationDecl *Impl) { 884532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar assert(!D->isForwardDecl() && "Invalid interface decl!"); 885532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar 88644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Look up this layout, if already laid out, return what we have. 8871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCContainerDecl *Key = 888d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar Impl ? (ObjCContainerDecl*) Impl : (ObjCContainerDecl*) D; 889d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar if (const ASTRecordLayout *Entry = ObjCLayouts[Key]) 890d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar return *Entry; 89144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 892453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // Add in synthesized ivar count if laying out an implementation. 893453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar if (Impl) { 8943bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned SynthCount = CountNonClassIvars(D); 895d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar // If there aren't any sythesized ivars then reuse the interface 896453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entry. Note we can't cache this because we simply free all 897453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entries later; however we shouldn't look up implementations 898453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // frequently. 8998e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if (SynthCount == 0) 900453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar return getObjCLayout(D, 0); 901453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar } 902453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 90429445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D, Impl); 90529445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ObjCLayouts[Key] = NewEntry; 9061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel return *NewEntry; 90844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel} 90944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 910b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 911b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 912b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 913b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 914b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 915b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 916b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 917b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 918b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 919b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 92088a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel/// getASTRecordLayout - Get or compute information about the layout of the 921464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// specified record (struct/union/class), which indicates its size and field 922464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// position information. 92398be4943e8dc4f3905629a7102668960873cf863Chris Lattnerconst ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) { 924952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor D = D->getDefinition(); 9254b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek assert(D && "Cannot get layout of forward declarations!"); 9264bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 927464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Look up this layout, if already laid out, return what we have. 928ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // Note that we can't save a reference to the entry because this function 929ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // is recursive. 930ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman const ASTRecordLayout *Entry = ASTRecordLayouts[D]; 931464175bba1318bef7905122e9fda20cff926df78Chris Lattner if (Entry) return *Entry; 9324bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 93429445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D); 935ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman ASTRecordLayouts[D] = NewEntry; 9361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9378d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar if (getLangOptions().DumpRecordLayouts) { 9388d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar llvm::errs() << "\n*** Dumping AST Record Layout\n"; 9398d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar DumpRecordLayout(D, llvm::errs()); 9408d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar } 9418d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar 9425d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner return *NewEntry; 943464175bba1318bef7905122e9fda20cff926df78Chris Lattner} 944464175bba1318bef7905122e9fda20cff926df78Chris Lattner 945f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlssonconst CXXMethodDecl *ASTContext::getKeyFunction(const CXXRecordDecl *RD) { 946952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor RD = cast<CXXRecordDecl>(RD->getDefinition()); 947f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(RD && "Cannot get key function for forward declarations!"); 948f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 949f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson const CXXMethodDecl *&Entry = KeyFunctions[RD]; 950f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson if (!Entry) 951f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson Entry = ASTRecordLayoutBuilder::ComputeKeyFunction(RD); 952f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson else 953f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(Entry == ASTRecordLayoutBuilder::ComputeKeyFunction(RD) && 954f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson "Key function changed!"); 955f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 956f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson return Entry; 957f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson} 958f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 959a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 960a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 961a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 962a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 9630953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 9640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 9650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 9660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 9680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 9690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 9700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 9710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 9720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 9730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 9740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 9760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 9780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 9790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 9800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 9820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9830953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 9840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 9850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 9860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 9880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 9890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 9900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 9920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 9930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 994f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 995f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 996f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 997f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 998b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 9990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 10050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 10070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 10080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 10091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1011ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1012ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1013b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 10140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1015d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1016b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1017d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 10181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10194027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 10206217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 102158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 10224027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 10234027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 10244027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10254027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 10330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 10350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 10360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 10371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1039d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1040a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1041264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1042264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 10430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 104443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 104543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1046264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 104743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 104843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1049ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1050ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 105143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 105243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 105343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1054264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 105543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 105643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1057ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1058ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1059ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1060264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 106143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1062ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 106343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1064ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1065264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 106743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 10680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1069ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1070ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1071ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1072ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1073ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1074ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1075ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1076264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 107843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 107943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1080ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1081ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1082ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1083ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1084ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1085425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1086264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1087264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1088ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1089ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1090ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1091425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1092264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1093264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 10942455636163fdd18581d7fdae816433f886d88213Mike Stump} 10952455636163fdd18581d7fdae816433f886d88213Mike Stump 1096425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1097425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1098425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1099425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1100425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1101425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 11025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 11035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 11045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 11055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 11091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1117467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1118f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1122f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 11325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 11335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 11371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 11411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1145467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1146f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 11471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1150f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 11595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 11605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1161296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1162296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 11635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 11645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 11655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 11685618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 11695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 11711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 11735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 11745618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1175467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 11765618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 11771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11785618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 11795618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 11805618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1181f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 11846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 11855618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 11865618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 11875618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 11885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 11895618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 11907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 11917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 119254e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 119654e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 12007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 12027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 120354e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 120454e14c4db764c0636160d26c5bbf491637c83a76John McCall 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 120854e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 120954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 121054e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 12117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 12137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 12147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 12157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 121954e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 122054e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 12217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 12227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 122354e14c4db764c0636160d26c5bbf491637c83a76John McCall 12247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 12257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 12267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 12287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 12297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 12307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 12317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 12327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 123354e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 12347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 12367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 12377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 12397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 124054e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 124154e14c4db764c0636160d26c5bbf491637c83a76John McCall 12427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 12437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 12447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 124554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 124654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 124754e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 12487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 12517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1252f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 12566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1262f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1263f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 12641eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1265f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1266f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1267f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1268f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1269f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1270f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1271f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1272f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1273f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1274f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1275f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1276f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1277f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 127887c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1279f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1280f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1281f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1282f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1283f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1284f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1285f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 12866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 12876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1288f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1289f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1290f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1291f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1292f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 12931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1294fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 129638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1297c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1298c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1299923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1300923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1301587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1302587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 130338aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 130438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 130538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 130638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13090be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 13101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 13137192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 13151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 13175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1319467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1321c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 13225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 13247192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1325f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 13296b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 13307192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 13315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1335bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1336bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 13377e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 13387e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1339c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 13407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13417e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1342c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1343c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1344c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 13456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 13466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType(EltTy, QualType(), NumElts, ASM, EltTypeQuals, Brackets); 1347c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1348c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1349c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1350c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1351c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1352c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1353898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1354898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 135504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 13567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 13577e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1358898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 13597e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1361cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1362cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1363898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1364898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 136504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1366cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1367789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1368cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1369cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1370cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1371cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1372cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1373cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1374cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1375cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1376cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1377cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1378cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 137904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 138004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 138104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 138204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 13836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 13856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 138604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 138704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 138804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 13896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13906b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 13916b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1392cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1393789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1394789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1395789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1396789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1397789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1398cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1399789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 140004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 140104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 140204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 140304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 14046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 14066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 140704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 140804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 14091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1410898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1411898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1412898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1413898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1414c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1415c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1416c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1417c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 14180be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1419c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1420c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 14211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1422c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1423c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1424c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1425c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1426c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1427c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1428c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1429467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1430f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 14312bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1432c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1433c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1434c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1435c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1436f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14372bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1438c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 14396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 14406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1441c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1442c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1443c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1444c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1445fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1446fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 144773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 144873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 144982287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 145082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool IsAltiVec, bool IsPixel) { 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1453f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 145473322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 14551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 145882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::Vector, 145982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson IsAltiVec, IsPixel); 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 14625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 14635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 14655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 146782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson if (!vecType.isCanonical() || IsAltiVec || IsPixel) { 146882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Canonical = getVectorType(getCanonicalType(vecType), 146982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson NumElts, false, false); 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1473f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 147682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(vecType, NumElts, Canonical, IsAltiVec, IsPixel); 14775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 14785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1482213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 148373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1484213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 148573322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 14861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1487f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1488213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 14891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 149073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 149173322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 149282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, false, false); 149373322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 149473322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 149573322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 149673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 149773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 149873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 149973322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1500467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1501213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 15021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 150473322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1505f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 150673322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 15076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 15086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 150973322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 151073322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 151173322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 151273322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 151373322924127c873c13101b705dd823f5539ffa5fSteve Naroff 15141eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 15159cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 15169cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 15172ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 15181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 15192ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 15201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 15222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 15232ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 15242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 15252ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 15262ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 15272ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 15286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15296b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 15306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 15312ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15322ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 15332ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 15346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 15366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1537789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1538789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1539789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1540789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1541789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 15422ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 15432ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15442ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 15452ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 15466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15476b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 15482ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15492ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15519cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 15529cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 15539cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 15549cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 155572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 15565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1557264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1558264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1559264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 15605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1563264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 156772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 15685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 15691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1571ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 157204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1573264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1574264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1575264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 15761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 157872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 157972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1580f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1584264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 158672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 159261710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1593971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1594465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1595465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1596264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1597264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1598264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 160272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1603465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1604264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 16055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 160872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1610465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1611465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 161254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 16135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 161454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 16155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 16165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1618465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 16195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 162004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 16215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 16225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 16235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 162454e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1625465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1626f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1627beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 162847259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1629264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1630264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1631465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 16325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 163372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 163472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1635f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1637465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 163872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1639465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1640465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 16411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1642465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1643465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 16446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 164572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1646465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1647264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 16485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 164972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 16505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 16515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 16543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 16553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 16563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 16573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 16583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 16603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 16613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 16633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 16653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 16673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 16683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 16693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 16703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 16713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 16723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else if (CXXRecordDecl *PrevDecl 16743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast_or_null<CXXRecordDecl>(Decl->getPreviousDeclaration())) { 16753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 16763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 16773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 167931f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 168031f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 16813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 16823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 16833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 16843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16862ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 16872ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1688becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 16891e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1690becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 16911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 169219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 16932ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1694becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1695becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall if (const ObjCInterfaceDecl *ObjCInterface 16969fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump = dyn_cast<ObjCInterfaceDecl>(Decl)) 16972ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getObjCInterfaceType(ObjCInterface); 169849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1699becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1700becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1701becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 170219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1703becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1704becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1705becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1706becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Record); 170719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1708becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1709becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1710becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Enum); 171119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1712ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1713ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 17149fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1715becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 171649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1717becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 171849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 17192ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 17202ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 17215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 17225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 172319c8576b7328f4dc2d07682f5da552875c1912efJohn McCallQualType ASTContext::getTypedefType(const TypedefDecl *Decl) { 17245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 17251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1726f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 17276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 17286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 17295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 17305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 17315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 173349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 173449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 173549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 173649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1737467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 173849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 173949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 174049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 174149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 174249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 174349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 174449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 174549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 174649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 174749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 174849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 174949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 175049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 175149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 175249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 175349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 175449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 175549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1756fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 17571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 175876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 17591eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 176076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1761fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name) { 1762fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 176376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1764fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 17651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1766fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1767fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1768fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1769fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 17701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 177176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson if (Name) { 177276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 17736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 17746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1775789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1776789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1777789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1778789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1779789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 178076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 17816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 17826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1783fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1784fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1785fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1786fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1787fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1788fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1789fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 17903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 17913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 17923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 17933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 17943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 17953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 17963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 17983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 17993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 18003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 18013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 18023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 18033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 18043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 18053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 18063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18081eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 18097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1810d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 181131f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 181231f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1813d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1814d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1815833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1816833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1817833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1818833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1819833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 182031f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 182131f17ecbef57b5679c017c375db330546b7b5145John McCall Canon, IsCurrentInstantiation); 1822833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1823833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1824833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1825833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 18267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 18277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 182831f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 182931f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1830b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1831b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 1832b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor else { 183331f17ecbef57b5679c017c375db330546b7b5145John McCall assert(!IsCurrentInstantiation && 183431f17ecbef57b5679c017c375db330546b7b5145John McCall "current-instantiation specializations should always " 183531f17ecbef57b5679c017c375db330546b7b5145John McCall "have a canonical type"); 183631f17ecbef57b5679c017c375db330546b7b5145John McCall 1837b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor // Build the canonical template specialization type. 18381275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateName CanonTemplate = getCanonicalTemplateName(Template); 18391275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::SmallVector<TemplateArgument, 4> CanonArgs; 18401275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.reserve(NumArgs); 18411275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 18421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 18431275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18441275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Determine whether this canonical template specialization type already 18451275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // exists. 18461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::FoldingSetNodeID ID; 184731f17ecbef57b5679c017c375db330546b7b5145John McCall TemplateSpecializationType::Profile(ID, CanonTemplate, false, 1848828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor CanonArgs.data(), NumArgs, *this); 18491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18501275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor void *InsertPos = 0; 18511275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateSpecializationType *Spec 18521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 18531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18541275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor if (!Spec) { 18551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate a new canonical template specialization type. 18561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 18571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 185931f17ecbef57b5679c017c375db330546b7b5145John McCall Spec = new (Mem) TemplateSpecializationType(*this, CanonTemplate, false, 18601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.data(), NumArgs, 1861b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon); 18621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Types.push_back(Spec); 18631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 18641275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 18651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1866b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (Canon.isNull()) 1867b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = QualType(Spec, 0); 18681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Canon->isDependentType() && 18691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor "Non-dependent template-id type must have a canonical type"); 1870b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor } 1871fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 18721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 18731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 18741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 18751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 187640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 18781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 187931f17ecbef57b5679c017c375db330546b7b5145John McCall = new (Mem) TemplateSpecializationType(*this, Template, 188031f17ecbef57b5679c017c375db330546b7b5145John McCall IsCurrentInstantiation, 188131f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1882828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 18831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 188455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 188655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 188755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 18881eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 1889465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 1890465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 1891465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 1892e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1893465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 1894e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1895e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1896465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1897e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1898e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1899e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1900789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 1901789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 1902789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 1903465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1904465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 1905789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 1906789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 1907789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1908465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 1909e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1910465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 1911e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1912e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1913e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 19144a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 19174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 1918d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1919d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1920d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1921d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19224a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19234a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19244a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19254a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 19264a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 19274a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 1928d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1929d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1930d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 19314a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 1932d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1933d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 19344714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19354714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1936d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 1937d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1938d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19394a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 1940d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 19414714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 1943d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1944d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19451eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19464a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19474a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19484a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const TemplateSpecializationType *TemplateId, 19494a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 19501734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 19511734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 1952789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 19534a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, TemplateId); 1954789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1955789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 19564714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19574714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1958789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 1959789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 1960789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 19611734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (Canon.isNull()) { 19621734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19631734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); 19644a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19654a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19664a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19674a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword || 19684a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonType != QualType(TemplateId, 0)) { 19691734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *CanonTemplateId 1970183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall = CanonType->getAs<TemplateSpecializationType>(); 19711734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(CanonTemplateId && 19721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "Canonical type must also be a template specialization type"); 19734a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, CanonTemplateId); 19741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 19751734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19764714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *CheckT 19774714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1978789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckT && "Typename canonical type is broken"); (void)CheckT; 1979789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 19801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19814a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, TemplateId, Canon); 19821734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 19834714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 19851734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 19861734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 198788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 198888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 198988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 199088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 19912e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 199288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 199388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 199454e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl **Protocols, 199554e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 199654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 199754e14c4db764c0636160d26c5bbf491637c83a76John McCall 199854e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 199954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 200054e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 200154e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 200254e14c4db764c0636160d26c5bbf491637c83a76John McCall} 200354e14c4db764c0636160d26c5bbf491637c83a76John McCall 200454e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 200588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 200688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 20071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 200888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 200988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 201088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 201188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 201288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 201388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 201488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 201588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2016d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2017d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff/// the given interface decl and the conforming protocol list. 201814108da7f7fc059772711e4ffee1322a27b152a7Steve NaroffQualType ASTContext::getObjCObjectPointerType(QualType InterfaceT, 20191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCProtocolDecl **Protocols, 2020a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian unsigned NumProtocols, 2021a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian unsigned Quals) { 2022d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff llvm::FoldingSetNodeID ID; 202314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCObjectPointerType::Profile(ID, InterfaceT, Protocols, NumProtocols); 2024a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian Qualifiers Qs = Qualifiers::fromCVRMask(Quals); 2025d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2026d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2027d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff if (ObjCObjectPointerType *QT = 2028d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 2029a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian return getQualifiedType(QualType(QT, 0), Qs); 2030d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 203154e14c4db764c0636160d26c5bbf491637c83a76John McCall // Sort the protocol list alphabetically to canonicalize it. 203254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 203354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!InterfaceT.isCanonical() || 203454e14c4db764c0636160d26c5bbf491637c83a76John McCall !areSortedAndUniqued(Protocols, NumProtocols)) { 203554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!areSortedAndUniqued(Protocols, NumProtocols)) { 20360237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 20370237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 203854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 203954e14c4db764c0636160d26c5bbf491637c83a76John McCall 204054e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 204154e14c4db764c0636160d26c5bbf491637c83a76John McCall 204254e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getObjCObjectPointerType(getCanonicalType(InterfaceT), 204354e14c4db764c0636160d26c5bbf491637c83a76John McCall &Sorted[0], UniqueCount); 204454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 204554e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getObjCObjectPointerType(getCanonicalType(InterfaceT), 204654e14c4db764c0636160d26c5bbf491637c83a76John McCall Protocols, NumProtocols); 204754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 204854e14c4db764c0636160d26c5bbf491637c83a76John McCall 204954e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 205054e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 205154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 205254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2053fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor // No match. 2054fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor unsigned Size = sizeof(ObjCObjectPointerType) 2055fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor + NumProtocols * sizeof(ObjCProtocolDecl *); 2056fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2057fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor ObjCObjectPointerType *QType = new (Mem) ObjCObjectPointerType(Canonical, 2058fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor InterfaceT, 2059fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor Protocols, 2060fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor NumProtocols); 20611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2062d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff Types.push_back(QType); 2063d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 2064a42286486c85402c65f9d30df17e6b1b037a6adeFariborz Jahanian return getQualifiedType(QualType(QType, 0), Qs); 2065d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 206688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2067c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff/// getObjCInterfaceType - Return the unique reference to the type for the 2068c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff/// specified ObjC interface decl. The list of protocols is optional. 2069c15cb2af27514ecc879daba9aa01389c5203685dSteve NaroffQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 2070a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **Protocols, unsigned NumProtocols) { 20714b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2072c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceType::Profile(ID, Decl, Protocols, NumProtocols); 20731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20744b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2075c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (ObjCInterfaceType *QT = 2076c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff ObjCInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos)) 20774b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 20781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 207954e14c4db764c0636160d26c5bbf491637c83a76John McCall // Sort the protocol list alphabetically to canonicalize it. 208054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 208154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols && !areSortedAndUniqued(Protocols, NumProtocols)) { 20820237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 20830237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 20844b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian 208554e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 208654e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 208724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 208854e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getObjCInterfaceType(Decl, &Sorted[0], UniqueCount); 208954e14c4db764c0636160d26c5bbf491637c83a76John McCall 209054e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos); 209154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 209254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2093fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor unsigned Size = sizeof(ObjCInterfaceType) 2094fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor + NumProtocols * sizeof(ObjCProtocolDecl *); 2095fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2096fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor ObjCInterfaceType *QType = new (Mem) ObjCInterfaceType(Canonical, 2097fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor const_cast<ObjCInterfaceDecl*>(Decl), 2098fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor Protocols, 2099fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor NumProtocols); 210024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 210124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 210254e14c4db764c0636160d26c5bbf491637c83a76John McCall ObjCInterfaceTypes.InsertNode(QType, InsertPos); 210324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 210424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 210524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 210672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 210772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 21089752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 21091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 21109752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 211172564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2112dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2113b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2114b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2115b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 21161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2117b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2118b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2119b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2120b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2121b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2122b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 21236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2124b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2125b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2126b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2127b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 21286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 21296b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2130b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2131b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2132b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2133b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2134dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 21356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2136dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 21379752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 21389752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2139d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2140d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 21419752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 21429752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 21439752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 21441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 21459752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2146d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2147f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 21486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 21499752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 21509752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2151d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2152d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 215360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 215460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 215560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2156a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2157a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 21581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 215960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 216060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 216160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 216260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 216360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 216460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 216560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 216660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 216760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 216860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 216960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 217060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 217160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 217260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 217360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 21741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 217560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 21761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 217860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 217960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 218060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 21811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 218260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 218360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 218460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2185395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2186395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2187395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 21881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2189395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2190395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2191dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 21929d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 21939d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 21949d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 21951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21969d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 21979d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 21989d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 21999d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 22009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 22019d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 22026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 22039d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 22049d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 22069d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 22076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 22089d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 22099d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 22109d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2212dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 22136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2214dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2215395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2216395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2217395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2218395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 22195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 22205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2221e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2222d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2223e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2224e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2225e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 22265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 22291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 22301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2231a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2232b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 22335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 223564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 223664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 223764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 223864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 223964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 224064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 224164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 224264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 224364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 224464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 224564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 224664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 224764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 224864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 22498b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 22508b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 22518b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2252b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 22538b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 22548b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2255e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2256e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2257e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2258e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 225954e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 226054e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 226154e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 226254e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 226354e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 226454e14c4db764c0636160d26c5bbf491637c83a76John McCall 226554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 226654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 226754e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 226854e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 226954e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 227054e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 227154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 227254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 227354e14c4db764c0636160d26c5bbf491637c83a76John McCall 227454e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 227554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 227654e14c4db764c0636160d26c5bbf491637c83a76John McCall 227777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 227877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 227977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 228077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 228177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 228277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 228350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 22840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 22850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 22860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 22870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 22880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 22890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 22901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 22920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 229350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2294c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 22950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 22960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 22970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2298c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2299c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 23000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 23011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2302c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2303c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 23040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2305c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 23061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2307c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 230850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 230950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 231050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 23110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2312c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 231350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 231450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 23150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 23161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2317898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 231850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 231950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2320bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2321bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 232250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 23230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 232487a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2325898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2326c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 232750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2328bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2329bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 233050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 23310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 233250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2333c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2334c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 233528e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 233628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 23375535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 233828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (!isa<ArrayType>(T)) { 23395535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 234028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 234128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 234228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth const ArrayType *AT = cast<ArrayType>(T); 234328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2344c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 234528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 234628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 234728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 234828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(T)) { 234928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 235028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 235128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 235228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 235328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(T)) { 235428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 235528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 235628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 235728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(T); 235828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 235928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 236028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 236128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 236228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 236380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCallDeclarationName ASTContext::getNameForTemplate(TemplateName Name) { 236480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 236580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return TD->getDeclName(); 236680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 236780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 236880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 236980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getIdentifier(DTN->getIdentifier()); 237080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 237180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getCXXOperatorName(DTN->getOperator()); 237280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 237380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 237480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 23750bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 23760bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 23770bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return (*Storage->begin())->getDeclName(); 237880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 237980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 238025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 238125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // If this template name refers to a template, the canonical 238225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // template name merely stores the template itself. 238325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) 238497fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 238525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 23860bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 23871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 238825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 238925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 239025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 239125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 239225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2393db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2394db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2395db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2396db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2397db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2398db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 23991eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 24001275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 24011275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 24021275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 24031275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24051275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 24061275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24081275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2409833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 24101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2411788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2412788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2413788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 24141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2415833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 24161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 24171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2419833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 24201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24211275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 24221275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 24231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 24241275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 24251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 24261275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 24271275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 24281275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 24291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24301275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 24311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 24321275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 24331275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24341275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24351275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 24361275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 24371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 24381275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 24391275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 24401275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2441d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2442d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 24431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2444d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2445d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2446d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2447d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2448d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 24491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2450d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2451d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2452d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2453d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2454d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2455d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2456d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2457d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2458d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2459d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2460d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 24611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 24621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2463d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2464d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2465d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2466d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2467d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2468d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2469d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2470d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2471d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2472d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2473d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2474d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2475c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2476c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2477c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2478a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2479c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2480c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2481c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2482c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 24831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2485c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 24860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2487c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 24881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2490c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2491c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 24921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2493c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2494c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 249550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 24960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 24970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 24980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 24991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2500c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2501c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 25020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2503c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 25041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2505c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2506c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2507c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2508c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 25090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 25101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2511c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2512c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2513c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 25140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2515c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2516c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2517c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 25180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2519898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 25201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2521898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2522898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 25231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2524bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2525bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2526898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 25270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 25287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 25291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2530c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 25317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2532bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 25330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2534c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 25350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 25367e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 253777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 253877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 253977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2540e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2541e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2542e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2543e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2544e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2545e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2546e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2547c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2548c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2549c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2550c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2551c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2552c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 25531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2554c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2555e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2556e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 25570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2558e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2559e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 25605e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 25610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 25620237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 25630237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 25640237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 25655e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 25665e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2567fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2568fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 25691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2570fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2571fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 25721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25736183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 25746183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 25756183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 25760de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 25771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 25780de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 25790de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 25800de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 25810de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 25820de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 25830de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 25840de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 25850de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 25860de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 25875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 25885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2589a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2590183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 25915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2592a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2593183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2594183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2595a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 25965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 25975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 25985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 25995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 26031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2604716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2605716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 26061361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 26071361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 26081361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 26091361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 26101361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2611716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2612f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2613f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2614f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2615f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2616f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 26171361b11066239ea15764a2a844405352d87296b3Chris Lattner 26181361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 26191361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 26201361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 26211361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 26221361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 26231361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 26245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 26287cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 26297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 26301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2631a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2632a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2633a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 26341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2635a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2636fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2637a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2638fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2639fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 26405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2642f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2643f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2644f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2645f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2646467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2647f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2648842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2649f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2650a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2651a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2652a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2653f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2654f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2655f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2656f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2657f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2658f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2659f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 26607cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 26617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2662f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 26637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 26647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 26657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 26667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2667f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 26687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 26697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2670f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 26717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 26727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2673f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 26747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 26757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2676f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 26777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 26787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2679f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 26802df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 26812df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 26822df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2683f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2684f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2685f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 268604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 268704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 268804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 268904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 269004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 269104e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 269204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 269304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 269404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 269504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 269604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 269704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 269804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 269904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 270004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 270104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 270204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 270304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 270404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 270504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 270604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 270704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 270804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 270904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 271004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 271104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 271204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 271304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 271404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 271504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 271604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2717a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2718a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2719a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2720a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2721a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2722a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2723842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2724842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2725a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2726a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2727a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2728a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2729a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2730a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2731a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2732a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 27331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 27347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 27351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 27367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2737f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2738f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 27397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 27401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2741f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2742f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 27431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 27457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 27461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 27487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 27497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 27507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 27537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 27547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 27557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 27567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 27647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 27657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 27667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 277371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 277479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 277579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 277679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 277779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 277879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 277979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 278079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 278179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 278279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 27831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 278471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 278571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 27861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 2787465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 278879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 27895cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 279079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 2791f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 27921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 279371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 27940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 2795f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2796f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 279771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 27980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 279971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 28001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 28011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 280244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 280344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 28041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 280544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2806a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 28071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 28084afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 28092888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 281017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 281144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 281244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2813838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 281471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 28151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 281671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 28178467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 2818b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2819319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 28206217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 2821319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 2822319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 2823319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2824319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 28252bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 28262bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 28272bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 28282bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 2829465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 28302bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 28312bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 28322bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28332bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 28342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 28362bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 28372bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 28382bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 28392bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 28402bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 28412bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28422bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 28432bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 28442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 28452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 28462bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 28472bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 28482bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 28492888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 28502bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 28512bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28522bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28532bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 28542bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28552bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28562bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 28572bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 28582bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 28602bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 28612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 28622bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 28632bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 28642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28651eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 2866bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 286744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 2868465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 286979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 28705cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 28711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2872bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 2873bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 2874de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 2875bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 2876bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 2877bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 2878bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 28791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 288044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 28811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 28821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 28831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2884a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 28851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 28864afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 28872888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 288817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 288944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 28901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2891838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 2892bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 28931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2894bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 2895bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 2896bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2897adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 2898adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 2899adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2900adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2901adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 2902adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 2903465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 290479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 29055cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2906adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2907adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 2908adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2909adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2910adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2911adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2912adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 2913adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 2914083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 2915adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2916adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2917adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 2918adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2919adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 2920adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 2921adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 2922a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2923adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 2924adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 29252888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2926adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 2927adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 2928adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2929838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 2930adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2931adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 2932adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2933adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2934adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2935adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2936adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 2937adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2938adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2939adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 2940adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2941adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2942083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 2943083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 2944083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2945083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2946083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 2947083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 2948465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 294979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 29505cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2951083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2952083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 2953083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2954083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2955083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 2956083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 2957083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2958083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2959083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 2960083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 2961083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 2962083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 2963083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 2964083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2965083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2966083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 2967083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2968083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 2969083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 2970083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 2971a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2972083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 2973083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 29742888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2975083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 2976083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 2977083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2978838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 2979083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2980083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 2981083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2982083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2983083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 2984083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2985083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 2986083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2987083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2988083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 2989083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 2990083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2991af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 2992af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 2993af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 2994af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 2995af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 2996af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 2997af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 2998af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 2999af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3000af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3001af7b44d847d3e44c43346d508b2e55a6254b6e9dMike StumpQualType ASTContext::BuildByRefType(const char *DeclName, QualType Ty) { 3002af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3003ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3004af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3005ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3006ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 300738e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__copy_helper; // as needed 300838e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__destroy_help // as needed 3009af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3010ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3011ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3012af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3013af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3014af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 30154d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockByRefTypeID = 0; 3016f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3017f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3018f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3019af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3020465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 302179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3022af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3023af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3024af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3025af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3026af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3027af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3028af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3029af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3030af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3031af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3032af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3033af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3034af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3035af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump const char *FieldNames[] = { 3036af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3037af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3038af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3039af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3040af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3041af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3042af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3043af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3044af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3045af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3046af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3047af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3048af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3049af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3050a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3051af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 30522888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3053af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3054af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3055af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3056838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3057af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3058af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3059ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3060ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3061ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3062ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3063083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3064ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump llvm::SmallVector<const Expr *, 8> &BlockDeclRefDecls) { 3065adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 30664d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockParmTypeID = 0; 3067f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3068f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3069f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3070adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3071465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 307279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 30735cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3074adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3075adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3076adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3077adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3078adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3079083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3080083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3081083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3082adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3083adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3084adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3085adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3086adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3087adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3088adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3089adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3090adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3091adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3092adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3093ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3094adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3095a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3096ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 30972888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3098ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3099ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3100ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3101ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump for (size_t i = 0; i < BlockDeclRefDecls.size(); ++i) { 3102ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const Expr *E = BlockDeclRefDecls[i]; 3103ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E); 3104ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump clang::IdentifierInfo *Name = 0; 3105ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump if (BDRE) { 3106ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3107ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump Name = &Idents.get(D->getName()); 3108ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3109ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump QualType FieldType = E->getType(); 3110ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3111ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump if (BDRE && BDRE->isByRef()) 3112af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldType = BuildByRefType(BDRE->getDecl()->getNameAsCString(), 3113af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldType); 3114ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3115ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3116a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Name, FieldType, /*TInfo=*/0, 3117ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31182888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3119adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3120adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3121adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3122838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3123ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3124ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3125adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3126adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3127319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 31286217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3129319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3130319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3131319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3132319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3133e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3134e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 31352d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3136e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3137bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3138bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 31391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 314085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 314185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 314285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3143a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 314433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3145aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3146199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 31471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 314833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 3149199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck if (sz.isPositive() && type->isIntegralType()) 3150199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 315133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 315233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3153199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3154aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3155199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3156199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3157199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3158199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3159199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 316033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 316133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 31626f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 31635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 31645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 31655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 31665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 31675e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 31685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 31695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 31705e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(cast<FunctionType>(BlockTy)->getResultType(), S); 31715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 31725e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 31735e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 31745e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3175199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3176199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 31776f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 31785e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 31795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3180aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3181199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 31825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 31835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 31845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3185199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 31865e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 31875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 31885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 31895e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 31905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 31915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 31925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 31935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 31945e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 31955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 31965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 31975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 31985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 31995e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 32005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 32015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 32035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32045e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3205199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3206aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 32075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 32085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 32095e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3210a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 321133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 32121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3213e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3214c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3215ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3216a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 321733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 32180d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 321933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 322033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 322133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 322233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3223199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 322433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 322533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3226199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 322789951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32287732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 322989951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3230aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3231199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3232199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 323333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 323433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3235199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 323633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3237199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 32381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 323933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 324033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 324189951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32427732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 324389951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 32441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 32454306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3246ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3247ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3248ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3249bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3250ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3251ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3252ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3253ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 325433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 32554306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 32560d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3257199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3258aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 325933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 326033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 326133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3262c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 326383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3264c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3265c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 32661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 32671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 32681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 32691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 32701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 327183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 327283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 327383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 327483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 327583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 327683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 327783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 327883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 327983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 328083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 328183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 328283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 328383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 328483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 328583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 328683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 32871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3288c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3289e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3290c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3291c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3292c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3293c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3294c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3295c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 32961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3297c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3298c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 329917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3300653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3301c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3302c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3303c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3304c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3305c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3306c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3307c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3308c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3309c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3310c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 331161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3312c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 331317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3314653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3315c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3316c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3317c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3318c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3319c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3320c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3321c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3322c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 33231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3324c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3325c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3326c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3327c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3328c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3329c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3330c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3331090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3332090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 33331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3334090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3335090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3336c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3337c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3338c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3339c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3340c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3341c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3342c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 33431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3344c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3345c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3346c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3347c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3348c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3349c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3350c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3351c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3352090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3353090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 33541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3355c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3356c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3357077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3358c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3359c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3360c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3361c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3362077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3363c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3364c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3365c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3366c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3367c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 336839f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3369c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3370c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3371c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3372c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3373c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3374a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 33751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 33761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3377a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3378a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3379a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 33808e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3381183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3382c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3383c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3384a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 33851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3386c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3387c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3388a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3389a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3390a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3391a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3392a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 33937d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3394153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 339582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 339682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 339782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 339882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 33991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 34005b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 340182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 340282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 34031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 3404153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD) { 34058b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 34068b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 34078b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 34089a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 34098b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 34108b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 34118b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 34128b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 341301eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 341482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 341582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 341682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3417153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3418090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 34196ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 3420183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = T->getAs<BuiltinType>()) { 3421ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 3422ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return EncodeBitField(this, S, FD); 3423ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner char encoding; 3424ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner switch (BT->getKind()) { 34251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: assert(0 && "Unhandled builtin type kind"); 3426ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Void: encoding = 'v'; break; 3427ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Bool: encoding = 'B'; break; 3428ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_U: 3429ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UChar: encoding = 'C'; break; 3430ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UShort: encoding = 'S'; break; 3431ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt: encoding = 'I'; break; 34321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::ULong: 34331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 34341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q'; 343572696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian break; 3436ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt128: encoding = 'T'; break; 3437ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::ULongLong: encoding = 'Q'; break; 3438ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_S: 3439ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::SChar: encoding = 'c'; break; 3440ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Short: encoding = 's'; break; 3441ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int: encoding = 'i'; break; 34421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::Long: 34431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 34441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q'; 3445ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner break; 3446ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongLong: encoding = 'q'; break; 3447ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int128: encoding = 't'; break; 3448ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Float: encoding = 'f'; break; 3449ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Double: encoding = 'd'; break; 3450ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongDouble: encoding = 'd'; break; 345143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 34521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3453ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += encoding; 3454ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3455ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 34561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3457183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3458c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 34591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3460c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3461ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3462ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 346360bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3464aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3465aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 34666217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 34678d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 34688d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 34698d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 34708d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3471aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3472aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3473aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3474aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3475aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3476a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3477a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3478a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3479a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 34801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 34818e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3482a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3483a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3484a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3485a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 34869fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3487a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 34886217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 34896217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3490a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3491a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3492a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3493a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3494a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3495a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3496a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3497a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3498a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 34990237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 35000237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3501a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 350385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 350485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 350585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3506e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 350785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 350885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 350985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 35106217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 35119533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 35129533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 35139533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 35149533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35159533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35169533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 35179533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 35189533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 35199533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35209533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35219533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 352285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 352385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3524a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3525a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 35261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 352743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3528ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3529ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3530aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3531ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3532ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3533ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3534559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3535559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3536559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3537559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 35381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3539559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3540559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3541559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 35421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3543559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3544559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3545559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3546559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3547559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3548559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3549559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 35501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3552559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3553559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3554559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3555ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3556ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3558183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3559c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3560ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3561ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35636217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 356482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3565d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3566502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3567502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3568502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 35696fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 35706fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 35716fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 35726fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 35736fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 35746fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 35756fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 35766fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 35776fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 35786fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 35796fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3580502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3581502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3582502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 35830d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 35847d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 358517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 358617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 358744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 358843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3589d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 359044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3591d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3592d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 35931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3594d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 359543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 35961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 359743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3598d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3599a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3600a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 36011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 360243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3603d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36047d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 36056de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3606d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3607ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3608ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3610ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 36118b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 36128b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian EncodeBitField(this, S, FD); 36138b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 36148b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3615ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3616ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3618ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 361921a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3620ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3621ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 362443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 36250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 362643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 362743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 362843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 362943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 3630f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 363143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 3632f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 363343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 36341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 363543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 363643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 36371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 363843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 363943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 364043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3641ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 364243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 36431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3644183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 364514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 364614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 364714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3648ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 365027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 365127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 365227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 365327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 365414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 365514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3656ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3658ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 36591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 366014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 366114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 366214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 366314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 366414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 366514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 366667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 366767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 366814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 366914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 367014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 367114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 367214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 367314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 367414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3675ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3677ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3678ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3679ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3680ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 36811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3682ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3683ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 36841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 36851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3686ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 368714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 368814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3689ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3690ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 369127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3692ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 369327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 369467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 369567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3696ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3697ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3698ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 36991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3700ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3701ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3702ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3703ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3705ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 370685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 370785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 37081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3709ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3710ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3711ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3712ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3713ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3714ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3715ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3716ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3717ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3718ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3719ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3720ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3721ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3722ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3723ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3724ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3725b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 37261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3727b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3728b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3729b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3730ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3731de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 37327e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 37337e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3734ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 373513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3736b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3737b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3738ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3739a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3740390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3741390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3742ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3743de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 37448baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 37458baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3746a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 37471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 37482198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 37491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3750a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 37512198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 37522198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 37530bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 37540bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 3755eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 3756eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 37570bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 37580bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 37597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37600bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 37610bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 37620bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 37630bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 37640bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 3765eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 37660bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 37670bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 37680bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 37690bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 37700bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 37717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 37727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37730bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 37747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 37757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3776d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 3777d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 37781eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 3779d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 37800bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 3781789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 3782d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 3783d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 37841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3785d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 3786d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 37870bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3788d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 3789d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 3790d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 3791d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 37921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3793d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 3794d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 3795d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 37967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 37977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 37981eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 37997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 38001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 38013b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 38027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 38047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 38057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 38077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 38087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 38097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 38117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 38147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 38157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 38167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 38177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 38187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 3819789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 3820789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3821789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 3822789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 38237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 38247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 38267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 38287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3829ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 3830ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 3831ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 3832ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 3833ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 3834ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 3835ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 3836ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3837ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 3838ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 3839ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3840ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 3841789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 3842789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3843ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3844ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 3845ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3846ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3847ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 3848ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 3849ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 3850ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 3851ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 3852ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 3853789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 3854789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 3855789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3856789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 3857789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 3858ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 3859ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3860ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 3861ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3862ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 3863ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3864b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 3865d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 3866d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 3867e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 3868b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 3869e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 3870b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 3871b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 3872b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 3873b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 3874b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 3875b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 3876b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 3877b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 3878b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 3879b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 3880b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 3881e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 3882b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 3883b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3884b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3885b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 3886b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3887b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3888fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 3889fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 3890fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 3891f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 3892fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 3893fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 3894fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 3895fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 389640b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 3897fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 3898fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 38991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 3900fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 3901fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 39024fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 39034fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 39044fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 39050953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 39060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 39074fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 39084fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 3909b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 39104fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 39111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 3912a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 39130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 391475212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 39150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 3916a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 39176217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 3918a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 3919c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 3920c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 3921f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 39220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 39234fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 3924b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 39254fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 39264fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 39276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 39286ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 39296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 3930770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 39311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 39326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 39336ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 39346ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 3935467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 39366ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 393761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 39386ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 39396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 39404084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 39414084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 39424084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 39434084c306635b70f37029dca938444e6013f08684Steve Naroff 39444084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 39454084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 39460fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 39470fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 39484084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 394914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 39504084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 39514084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 39524084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 39534084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39544084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39554084c306635b70f37029dca938444e6013f08684Steve Naroff} 395614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 39574084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 39584084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 39594084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 39604084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 39614084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 39624084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 39634084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39644084c306635b70f37029dca938444e6013f08684Steve Naroff} 39654084c306635b70f37029dca938444e6013f08684Steve Naroff 39664084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 39674084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 39684084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 39694084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 39704084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 39711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 39724084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 39734084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 39754084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 39764084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39774084c306635b70f37029dca938444e6013f08684Steve Naroff 39784084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 3979183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 39801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39814084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 39821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39834084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 39841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 39854084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 39864084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 39874084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 39884084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 39894084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 39904084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 39914084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 39920fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 39934084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39944084c306635b70f37029dca938444e6013f08684Steve Naroff } 39954084c306635b70f37029dca938444e6013f08684Steve Naroff } 39964084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 39974084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39984084c306635b70f37029dca938444e6013f08684Steve Naroff } 39991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 40004084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40014084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40024084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 40034084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4004de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4005de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4006de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4007de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 40084084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 40094084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 40104084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 40114084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 40124084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 40134084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40148f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 40158f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4016de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 40184084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40194084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40204084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40214084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40224084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40234084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40244084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40250fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 40264084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40274084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40284084c306635b70f37029dca938444e6013f08684Steve Naroff } 40294084c306635b70f37029dca938444e6013f08684Steve Naroff } 40304084c306635b70f37029dca938444e6013f08684Steve Naroff } 40314084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4032de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4033de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4035de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4036de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40384084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 40394084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 40404084c306635b70f37029dca938444e6013f08684Steve Naroff 40411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 40424084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 40434084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 40444084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 40454084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 40464084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 40474084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 40484084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40494084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40504084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40510fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 40524084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40534084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40544084c306635b70f37029dca938444e6013f08684Steve Naroff } 40554084c306635b70f37029dca938444e6013f08684Steve Naroff } 40564084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 40574084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40584084c306635b70f37029dca938444e6013f08684Steve Naroff } 40594084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40604084c306635b70f37029dca938444e6013f08684Steve Naroff } 40611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 40624084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 40634084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 40644084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 40654084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 40664084c306635b70f37029dca938444e6013f08684Steve Naroff 40674084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40684084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40694084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40704084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 40714084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 40724084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 40734084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 40744084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 40754084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40764084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40774084c306635b70f37029dca938444e6013f08684Steve Naroff } 40784084c306635b70f37029dca938444e6013f08684Steve Naroff } 40794084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 40804084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40814084c306635b70f37029dca938444e6013f08684Steve Naroff } 40824084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40834084c306635b70f37029dca938444e6013f08684Steve Naroff } 40844084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40854084c306635b70f37029dca938444e6013f08684Steve Naroff} 40864084c306635b70f37029dca938444e6013f08684Steve Naroff 40874084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 40884084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 40894084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 40904084c306635b70f37029dca938444e6013f08684Steve Naroff/// 40914084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 40924084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 40934084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 40944084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHSOPT->isObjCBuiltinType() || RHSOPT->isObjCBuiltinType()) 40954084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40964084c306635b70f37029dca938444e6013f08684Steve Naroff 40974084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 40981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 40991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 41004084c306635b70f37029dca938444e6013f08684Steve Naroff false); 41014084c306635b70f37029dca938444e6013f08684Steve Naroff 41024084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 41034084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 41044084c306635b70f37029dca938444e6013f08684Steve Naroff if (LHS && RHS) // We have 2 user-defined types. 41054084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 41061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41074084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 410814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 410914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4110132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4111132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4112132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4113132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4114132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4115132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4116132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4117132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4118a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4119132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4120132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4121132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4122132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4123132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4124132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4125a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4126132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4127132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4128132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4129132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4130132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4131132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4132132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4133132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4134132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4135132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4136132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4137132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4138132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4139132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4140132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4141132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4142132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4143132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4144132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4145e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4146e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4147e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4148e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4149e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4150e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4151e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4152e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4153e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4154e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4155e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4156e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4157e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4158e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4159e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4160e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4161e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4162e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4163432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4164432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Context.CollectInheritedProtocols(LHS->getDecl(), LHSInheritedProtocols); 4165e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4166e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4167e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4168e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4169e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4170e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4171cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4172cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4173e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4174e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4175e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4176e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4177e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4178432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4179e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian Context.CollectInheritedProtocols(RHS->getDecl(), RHSInheritedProtocols); 4180432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4181432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4182432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4183432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4184432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4185e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4186e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4187e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4188db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4189db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4190db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4191db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4192db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4193db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4194db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4195db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4196db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4197db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian if (!LHS || !RHS) 4198db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4199db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4200db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian while (const ObjCInterfaceDecl *LHSIDecl = LHS->getDecl()->getSuperClass()) { 4201db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian QualType LHSTy = getObjCInterfaceType(LHSIDecl); 4202db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian LHS = LHSTy->getAs<ObjCInterfaceType>(); 4203e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4204e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVector<ObjCProtocolDecl *, 8> IntersectionOfProtocols; 4205e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian getIntersectionOfProtocols(*this, 4206e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSOPT, RHSOPT, IntersectionOfProtocols); 4207e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (IntersectionOfProtocols.empty()) 4208e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSTy = getObjCObjectPointerType(LHSTy); 4209e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else 4210e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSTy = getObjCObjectPointerType(LHSTy, &IntersectionOfProtocols[0], 4211e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.size()); 4212e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian return LHSTy; 4213e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4214db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4215db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4216db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4217db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4218db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 42193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::canAssignObjCInterfaces(const ObjCInterfaceType *LHS, 42203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ObjCInterfaceType *RHS) { 42216ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 42226ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 42236ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner if (!LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 42246ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 42251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42266ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 42276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4228c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 42296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 42301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42316ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 42326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4233c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 42346ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 42351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4236c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff for (ObjCInterfaceType::qual_iterator LHSPI = LHS->qual_begin(), 4237c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff LHSPE = LHS->qual_end(); 423891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 423991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 424091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 424191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 424291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4243c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff for (ObjCInterfaceType::qual_iterator RHSPI = RHS->qual_begin(), 42444084c306635b70f37029dca938444e6013f08684Steve Naroff RHSPE = RHS->qual_end(); 42458f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 42468f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 424791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 42488f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 42498f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 425091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 425191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 425291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 425391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 425491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 425591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 425691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 42576ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 42586ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4259389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4260389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4261183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4262183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 42631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 426414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4265389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 426614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 426714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 426814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4269389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4270389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 42711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4272ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 42731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4274ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 42753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 42760e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 42770e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 42780e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 42793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 42803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 42813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4282132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4283132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4284132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4285132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4286132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4287132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 4288183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4289183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 429072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 429172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 42923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 42933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 42943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 42953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4296132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4297132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4298132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true); 4299132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4300132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 43013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 43026de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 430361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 43046de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 430561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 43066a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 43076a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 43086a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 43096a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4310264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4311264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 43126a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 43136a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 43146a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 43156a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 43166a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 43176a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 43186a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 43196a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 43206a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4321264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4322264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4323ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 432404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4325ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 43261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4328465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4329465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 43303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 43313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 43323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 43343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 43353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 43383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 43393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43417fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 43427fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 43437fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 43443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 43453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 43463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 43473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 43483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 4349132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType argtype = mergeTypes(largtype, rargtype, OfBlockPointer); 43503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 43513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 435261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 435361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 435461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 435561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 43563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 43573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 43583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 43593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 43602455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4361264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4362425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 43633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 43643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 43663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 43673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 436872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 43693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4370465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 43713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 43723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 43733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 43743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 43753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 43763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 43773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 43783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 43793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4380b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4381b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4382b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4383b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4384b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4385b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 43863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 43873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 43883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 43903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 43923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 43933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 43942d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4395264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4396264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4397425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 43983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 43993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4402425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4403264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 44043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 44053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4406132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4407132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 440843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 440943d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 441043d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 44117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 44127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 44130e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 44140e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 44150e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 44163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 44173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 44183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4419f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 44203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 44213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 44223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4424a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4425a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 44260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 44270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 44280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 44290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 44300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 44310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 44320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 44340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 44350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 44360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 44370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 44380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 44390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 44400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 44410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 44430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 44440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 44460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 44470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 44490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 44500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 44553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4456852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4457852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4458f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 44591adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 44601adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 44611adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 44621adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 44634c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 44644c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4465a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4466a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4467a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4468a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 44691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4470213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4471213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4472213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 44731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44744e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 44754e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 44761adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 44771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4478842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4479842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4480183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 44813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 44823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4483bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4484183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 44853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 44863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4487bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 44881adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 44893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4490ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 44913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44924a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 44931adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 449472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 449572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4496ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 449772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 449872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 449972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 450072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 450172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 450272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 45047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 450572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 450672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 450772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 450872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 450972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 451072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 451172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 451272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 451372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 451472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 451572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45161adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 45173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 45183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 45196217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 45206217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 45213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 45223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 452307d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 452461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 452507d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 452661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 45273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 45283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4529c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4530c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4531c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 45326217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 45336217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4534132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer); 4535c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4536c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4537c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4538c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4539c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4540c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4541c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 45421adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 45433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 45443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 45453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 45463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 45473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 45483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 45503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 45513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 45523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 455361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 455461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 455561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 455661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 45573bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 45583bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 45593bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 45603bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 45613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 45623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 456361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 456461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 456561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 456661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 45673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 45683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 45693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 45703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 45713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 45723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 45733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 45743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 45753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 45763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 45773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 45783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 45793bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 45803bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 45817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 45827e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 45833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 45841adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 4585132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return mergeFunctionTypes(LHS, RHS, OfBlockPointer); 458672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 458772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 45883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 45891adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 45903cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 45913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 459264cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 459364cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 459464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 45953cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 45965a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 45971c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 45981c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 45993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 460061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 460161490e9a965cfee8a78c12c6802138844f04250dCedric Venet case Type::ObjCInterface: { 46025fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff // Check if the interfaces are assignment compatible. 46035a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 46045a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4605183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCInterfaceType* LHSIface = LHS->getAs<ObjCInterfaceType>(); 4606183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCInterfaceType* RHSIface = RHS->getAs<ObjCInterfaceType>(); 46075fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff if (LHSIface && RHSIface && 46085fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff canAssignObjCInterfaces(LHSIface, RHSIface)) 46095fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 46105fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 46113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 461261490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 461314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4614132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 4615132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 4616132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 4617132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 4618132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 4619132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 4620132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4621183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4622183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 462314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 462414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4625bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 4626132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4627ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 462872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 462972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4630ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 46317192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 46325426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 4633ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 4634ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 463588054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 4636ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 4637632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 4638ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 4639842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 464029a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 4641f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 4642ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 4643ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4644ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 4645ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 4646ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 46476a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 46486a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 46496a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 46506a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 465182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VTy->getNumElements(), VTy->isAltiVec(), VTy->isPixel()); 46526a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 46536a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 46546a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 4655ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 46566a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 46576a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 46586a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 4659ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 4660ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 4661ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 4662ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 4663ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 4664ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 4665ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 4666ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 4667ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 4668ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 4669ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 4670ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 46712df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 46722df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 4673ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 4674ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 4675ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 4676ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 4677ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4678ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 46792cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 46802cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 46812cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 468286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 468386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 468486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 468586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 468686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 468786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 468886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 468986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 46901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 469186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 469286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 469386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 469486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 469586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 46961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 469786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 469886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 469986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 470086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 47011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 470286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 470386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 470486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 470586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 470686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 470786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 470886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 470986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 471086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 471186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 471286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 471386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 471486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 471586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 471686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 471786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 471886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 471986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 47201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 472186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 472286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 472386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 472486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 472586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 472686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 472786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 472886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 472986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 473086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 473186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 473286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 473386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 473486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 473586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 473686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 473786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 473886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 473986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 474086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 474186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 474286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 474386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 474486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 474586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 474686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 474786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 474886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 474986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 475086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 475186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 475286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 475386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 475486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 475586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 475686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 475786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 475886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 475986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 476086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 476186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 476286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 476386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 476486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 476586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 476686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 476786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 476886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 476986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 477086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 477186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 477286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 477386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 477486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 477586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 477686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 477786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 477886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 477986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 478086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 478186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 478286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 478386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 478486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 478586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 478686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 478786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 478886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 478986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 479086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 479186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 479286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 479386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 479486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 479586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 479686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 479786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 479886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 479986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 480086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 480186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 480286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 480386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 48041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 480586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 48061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 480786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 480882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson // FIXME: Don't know what to do about AltiVec. 480982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Type = Context.getVectorType(ElementType, NumElements, false, false); 481086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 481186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4812d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 4813d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 4814d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 4815d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 4816d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 48179a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 4818c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 4819c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 4820f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 482186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 482286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4823fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 48249a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 4825f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 4826782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 4827f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 4828f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 4829f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 4830fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 4831f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 4832fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 4833fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 4834fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 4835782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 48361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 483786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 483886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 48391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 484086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 484186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 4842187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 484386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 484486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 484586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 4846187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall { 4847187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // Both pointers and references can have their pointee types 4848187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // qualified with an address space. 4849187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall char *End; 4850187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall unsigned AddrSpace = strtoul(Str, &End, 10); 4851187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (End != Str && AddrSpace != 0) { 4852187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getAddrSpaceQualType(Type, AddrSpace); 4853187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Str = End; 4854187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 4855187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 4856187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (c == '*') 4857187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getPointerType(Type); 4858187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall else 4859187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getLValueReferenceType(Type); 486086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 486186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 486286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 48630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 486486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 4865013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian case 'D': 4866013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian Type = Context.getVolatileType(Type); 4867013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian break; 486886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 486986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 48701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 487186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 487286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 487386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 487486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 487586df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 487686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 487786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 48781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 487986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 48801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 488186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 488286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 488386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 488486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 488586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 488686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 488786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 488886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 488986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 489086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 489186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 489286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 48931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 489486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 489586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 489686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 489786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 489886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 489986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 490086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 490186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 490286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 4903ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 4904ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 490586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 4906ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 4907264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 490886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 4909a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 4910a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 4911a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 4912a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 4913a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 4914a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 4915a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 4916a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 4917a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 4918a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 4919a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 4920a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 4921a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 4922a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 4923a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 4924a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 4925a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 4926a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 4927a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 4928a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 49291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4930a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 4931a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 4932a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 4933a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 49341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 49361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4937a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 4938a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 4939a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 49401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 4941a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 4942a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 4943a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 49441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 4945a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 4946a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 4947a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4948a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 49491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 49501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 49511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 49521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 4953a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 49541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 4955a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 49561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 4957a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 4958a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 49591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 4961a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 49621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 4963a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 49641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4965a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 4966a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 4967a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 4968a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 4969a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 4970a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 4971a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 4972a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 4973a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4974a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4975a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 4976a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4977a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 4978a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 4979a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 4980a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 4981a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 4982a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 4983a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4984a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 4985a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 4986a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 4987a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4988a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 4989a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 4990a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 4991a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 49921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 4993a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 4994a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 4995a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 4996a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 4997a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 4998a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 4999a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5000a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5001a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5002a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5003a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5004a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5005a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5006a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5007a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5008a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5009a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 50101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5011a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5012a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5013a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5014a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5015a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5016a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5017a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5018a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5019a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5020a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5021a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5022a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5023a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5024a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5025a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman bool lhsSigned = lhs->isSignedIntegerType(), 5026a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsSigned = rhs->isSignedIntegerType(); 5027a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5028a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5029a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5030a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5031a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5032a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5033a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5034a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5035a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5036a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5037a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5038a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5039a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5040a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5041a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5042a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5043a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5044a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5045a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5046a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5047a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5048a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 5049